> [!cite] BHL link: this entry starts at [page 4](https://www.biodiversitylibrary.org/page/33259992) of TL-2 Suppl. VI
> Author links: [Wikidata](https://www.wikidata.org/wiki/Q2063732) QID Q2063732
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Docters van Leeuwen, Willem Marius (1880-1960), Dutch biologist, born 16 Mar 1880, Batavia \[Djakarta\], studied at the University of Amsterdam, Dr. phil. ib. 1907, entomologist at the Salatiga (Java) General Experiment Station 1908-1909, teacher at secondary schools at Semarang 1909-1915, also as director at Bandoeng 1915-1918, director of the Buitenzorg Botanic Gardens 1918-1932, from 1926-1932 also extraordinary professor at the Batavia Medical School, from 1932 in retirement at Leersum, Netherlands, later for some years parttime lecturer, later extraordinary professor at the University of Amsterdam, died 25 Feb 1960, Amsterdam.
**Abbreviated name**: *Doct. v. Leeuwen*
#### Note
Most of the papers by W.M. Docters van Leeuwen were published together with Jenny Reijnvaan (1880-1963), later Mrs. J. Docters von Leeuwen-Reijnvaan either as first author or as second author.
#### Herbarium and types
[[Collection BO|BO]], further material at [[Collection AMD|AMD]], [[Collection B|B]], [[Collection L|L]], [[Collection U|U]].
#### Bibliography and biography
Barnhart 1: 459; BL 1: 106, 107, 113; IH 2: 164; JW 1: 452, 2: 189, 4: 383; Kew 2: 97-98; LS 6617-6618; Plesch p. 203; SK 1: 139-141, cxlix, cxxiii, 8: xxix; Stevenson p. 1240.
#### Biofile
- Anon., Bot. Centralbl. 137(13): 208. 26 Mar 1918 (Director des bot. Gartens zu Buitenzorg, Java); Allg. Bot. Z. 23: 47. 15 Mar 1929 (idem); Bull. Jard. bot. Buitenzorg, ser. 3. 12: III. 1932 (portr.); Entomol. Ber. (Amsterdam) 20: 103-104. 1960.
- Bergdolt, E., Karl von Goebel ed. 2. 187, 193, 201, 212, 219, 239. 1941.
- Burkill, I.H., Botanical collectors, collections and collecting places in Malay Penins. and Gard. Bull. Straits Settlem. 4(4/5): 120. 1927 (Aug.).
- Exell, A.W., Proc. Linn. Soc. London 172: 131-132. 1961.
- Gager, C.S., Brooklyn Bot. Gard. Record 27(3): 297. 1938.
- Gilbert, P., Compendium biogr. Lit. deceased Entomol. 94. 1977.
- Holttum, R.E., Taxon 19: 710. 1970 (Director at Bogor from 1918 to 1932).
- Hunt Institution, Biogr. dict. bot. portr. coll. 103. 1972.
- Jacobs, M., Herman Johannes Lam (1892-1977), the life and work of a dutch botanist. p. 174-175. 1984.
- Koster, J.Th., Taxon 18: 551. 1969.
- Merrill, E.D., B.P. Bishop Mus. Bull. 144: 74. 1937.
- Schuster, C. and W. Schweitz, Generalregister Bot. Jahrb. II: 37. 1938.
- Steenis, C.G.G.J. van, Fl. males. Bull. 15: 706. 1960, 16: 794. 1961, 17: 874. 1962.
- Steenis-Kruseman, M.J. v., Blumea 25: 48. 1979 (coll. L).
- Stomps, Th.J., Vakbl. v. Biol. 40: 85-86. 1960; Studentenalmanak Amsterdam 240-241, portr. 1961.
- Wulff, E.V., Intr. hist. pl. geogr., 133, 134, 135. 1943.
### Publications
##### n.30.962. Entwicklung
**Title**
Die *Entwicklung* der *Galle* von *Lipara lucens*... Extrait du Recueil des Travaux botaniques Néerlandais... 1906. Oct.
**Notes**
*Co-author*: Jenny Reijnvaan.
*Publ*.: 1906, cover-t.p., p. \[1\]-26, \[27\], *pl. 6* (uncol. draw. auct.). *Copy*: B. – Reprinted and to be cited from Recueil Trav. bot. Néerl. 2(3-4): 235-261. 1906.
##### n.30.963. Variegated galls
**Title**
*Variegated galls* of *Cynips kollari* Hartig... \[Estratto dalla Marcellia... 1906\]. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 1906, p. \[i, recto of 81\], 81-82. *Copy*: B. – Reprinted and to be cited from Marcellia 5: 81-82. 1906.
##### n.30.964. Aulax papaveris
**Title**
*Aulax papaveris* Perris. Its biology and the development and structure of the gall, which it produces... Estratto dalla Marcellia... 1906. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 1906, cover-t.p., p. \[137\]-151. *Copy*: B. – Reprinted and to be cited from Marcellia 5: 137-151. 1906.
##### n.30.965. Färben
**Title**
Über das *Färben* der jüngsten *Zellwände* in *Vegetationspunkten*... Sonderabdruck aus den Berichten der Deutschen Botanischen Gesellschaft... 1907. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 27 Nov 1907 (in journal, submitted 16 Oct 1907), cover (identif.), p. \[i, recto of 470\], \[470\]-473. *Copy*: B. – Reprinted and to be cited from Ber. deut. bot. Ges. 25(8): 470-473. 1907.
##### n.30.966. tweemalige reductie
**Title**
Over een *tweemalige reductie* van het aantal *chromosomen* bij het ontstaan der geslachtscellen en over de daarop volgende tweemalige bevruchting bij sommige Polytrichum soorten... Koninklijke Akademie van Wetenschappen te Amsterdam... 1907. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 11 Dec 1907 (date on cover-t.p., read 30 Nov 1907), cover-t.p., p. \[1\]-7. *Copies*: L, U. – Reprinted and to be cited from Verslag Gewone Vergadering Wis- en Natuurkundige Afdeeling 16: 312-318. 1907.
##### n.30.967. Galle
**Title**
Die *Galle* von *Eriophyes psilaspis* auf Taxus baccata und der normale Vegetationspunkt dieser Pflanze... Sonderabdruck aus "Beihefte zum Botan. Centralblatt"... 1907. Oct.
**Notes**
*Co-author*: Jenny Reijnvaan.
*Publ*.: 1907, cover (identif.), p. \[1\]-14, *pl. 1-2* (uncol. draw.). *Copy*: B. – Reprinted and to be cited from Beih. Bot. Centralbl. 23(Abt. II)(1): 1-14, *pl. 1-2*, 1907.
##### n.30.968. Anatomie
**Title**
Ueber die *Anatomie* und die *Entwicklung* einiger *Isosoma-Gallen* auf Triticum repens und junceum und ueber die Biologie der Gallformen... Estratto dalla Marcellia... 1907. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 1907, cover-t.p., p. 68-101, *pl. 1* (uncol. draw.). *Copy*: B. – Reprinted and to be cited from Marcellia 6: 68-101, *pl. 1.* 1907.
##### n.30.969. zweifache Reduktion
**Title**
Ueber eine *zweifache Reduktion* bei der Bildung der *Geschlechtszellen* und darauf folgende Befruchtung mittels zwei Spermatozoiden und über die Individualität der Chromosomen bei einigen Polytrichum-Arten... Extrait du Recueil des Travaux botaniques Néerlandais... 1907. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 1907, cover-t.p., p. \[1\]-44, *pl. 1-2* (uncol. draw.). *Copy*: L. – Reprinted and to be cited from Recueil trav. bot. Néerl. 4(3): 177-220, *pl. 5-6.* 1907.
##### n.30.970. Über die Spermatogenese der Moose
**Title**
*Über die Spermatogenese der Moose*, speziell mit Berücksichtigung der Zentrosomen- und Reduktionsteilungsfragen... Sonderabdruck aus den Berichten der Deutschen Botanischen Gesellschaft... 1908. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 27 Mai 1908 (in journal, submitted 14 Apr 1908), p. \[i\], \[301\]-309, *pl. 5. Copy*: U. – Reprinted and to be cited from Ber. deut. bot. Ges. 26a(4): 301-309, *pl. 5.* 1908.
##### n.30.971. Beiträge
**Title**
*Beiträge* zur Kenntniss der *Gallen von Java*... Recueil des Travaux botaniques Néerlandais... 1909\[-1913\]. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: (*1*): *in* Recueil Trav. bot. Néerl. 6: 67-98, *pl. 4* (uncol. lith.) 1909. – No reprint seen.
*2*: Not found.
*3*: (*Ueber die Entwicklung und Anatomie einiger Markgallen und über Kallus*): *Publ*.: 1911, cover-t.p., p. \[1\]-56. *pl. 1* (uncol. lith.). *Copy*: B. – Reprinted and to be cited from Recueil Trav. bot. Néerl. 8(1): 1-56, *pl. 1.* 1911.
*4*: in Recueil Trav. bot. Néerl. 9(3): 382-399, *pl. 6* (uncol. lith.) 1912. – No reprint seen.
*5*: (*Ueber die javanischen Thysanoptero-Cecidien und deren Bewohner*). *Co-authors*: H. Karny and J. Docters van Leeuwen-Reijnvaan. *Publ*.: 1913, cover-t.p., p. \[1\]-126. *Copies*: B, L(2). – Issued as Bull. Jard. bot. Buitenzorg ser. 2. 10: 1-126. 1913.
##### n.30.972. Gallen aus Java
**Title**
Einige *Gallen aus Java*... Estratto dalla Marcellia... 1909\[-1914\]. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: \[*1*\]: 1909, cover-t.p., p. 21-35. *Copies*: B, L(2). – Reprinted and to be cited from Marcellia 8: 21-35. 1909.
*Zweiter Beitrag*: 1909, cover-t.p., p. 85-122. *Copies*: L(2). – Id. 8: 85-122. 1909.
*Dritter Beitrag*: 1910, cover-t.p., p. \[i, t.p.\], 37-61. *Copies*: L(2). – Id. 9: 37-61. 1910.
*Vierter Beitrag*: 1910, cover-t.p., p. 168-193. *Copies*: B, L(2). – Id. 9: 168-193. 1910.
*Fünfter Beitrag*: 1911, cover-t.p., p. 65-93. *Copies*: L(2). – Id. 10: 65-93. 1911.
*Sechster Beitrag*: 1912, cover-t.p., p. \[t.p. i\], \[1\]-78, \[79\]. *Copies*: L, U. – Issued as Bull. Jard. bot. Buitenzorg ser. 2. 3: 1-52. 1912. – *Note*: This issue contains also two articles of J.J. Smith on p. 53-78, \[79\], TL-2/nos. 12.266, 12.267.
*Siebenter Beitrag*: 1914, cover-t.p., p. \[1\]-68. *Copy*: L. – Id. ser. 2. 15: 1-68. 1914.
*No. 8*: (with title: Niederländisch Ost-Indische Gallen. *Beschreibungen von Gallen aus Sumatra und Simaloer*, and
*No. 9*: *Beschreibungen von Gallen aus Celebes und aus den Inseln südlich von Celebes*), cover-t.p., p. \[1\]-19 and \[21\]-45. *Copies*: L, U. – Id. ser. 2. 21: 1-45. 1916.
##### n.30.973. gal
**Title**
Een *gal* op de bladstelen en de bladnerven van de Dadap door een vliegje, *Agromyza erythrinae*, de Meyere, gevormd... Overgedrukt uit de "Cultuurgids"... 1909. Oct.
**Notes**
*Publ*.: 1909, cover-t.p., *pl. 1* (uncol. draw.), p. \[1\]-14. *Copy*: B. – Reprinted and to be cited from Cultuurgids 11(2): 227-240, *1 pl*. 1909.
##### n.30.974. distribution
**Title**
On the *distribution* of the *seeds* of certain species of *Dischidia* by means of a species of ant: Iridomyrmex myrmecodiae Emery... Reprinted from Proceedings Koninklijke Akademie van Wetenschappen... 1911. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 28 Aug 1911 (date on cover-t.p.), cover-t.p., p. \[1\]-6. *Copy*: B. – Reprinted and to be cited from Proc. Kon. Akad. Wetensch., Amsterdam 13(2): 153-158. 1911.
##### n.30.975. Stützwurzeln
**Title**
Uber \[sic\] die Ursache der wiederholten Verzweigung der *Stützwurzeln* von *Rhizophora*... Sonderabdruck aus den Berichten der Deutschen Botanischen Gesellschaft ... 1911. Oct.
**Notes**
*Publ*.: 23 Nov 1911 (in journal, submitted 10 Aug 1911), cover (identif.), p. \[476\]-478.
*Copies*: B, U. – Reprinted and to be cited from Ber. deut. bot. Ges. 29(8): 476-478. 1911.
##### n.30.976. vegetative Vermehrung
**Title**
Ueber die *vegetative Vermehrung* von *Angiopteris evecta* Hoffm.... Extrait des Annales du Jardin Botanique de Buitenzorg... 1912. Oct.
**Notes**
*Publ*.: 1912, cover-t.p., p. \[i, t.p.\], \[202\]-208, \[209\], *pl. 18. Copies*: L, U. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 25: 202-209. 1912.
##### n.30.977. Phycocecidien
**Title**
Kurze Notiz über zwei neue *Phycocecidien* von *Java*... Estratto dalla Marcellia... 1912. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 1912, p. \[46\]-48. *Copies*: L(2). – Reprinted and to be cited from Marcellia 11: 46-48. 1912.
##### n.30.978. Erneuerung
**Title**
Über die *Erneuerung* der *verbrannten* alpinen *Flora* des *Merbaboe-Gebirges* in Zentral-Java... Sonderabdruck aus den Berichten der Deutschen Botanischen Gesellschaft... 1913. Oct.
**Notes**
*Publ*.: 24 Apr 1913 (in journal, submitted 17 Mar 1913), cover (identif.), p. \[151\]-157. *Copy*: L. – Reprinted and to be cited from Ber. deut. bot. Ges. 31(3): 151-157. 1913.
##### n.30.979. Beiträge
**Title**
*Beiträge* zur *Kenntnis der Lebensweise einiger Dischidia-Arten*... Extrait des Annales du Jardin Botanique de Buitenzorg... 1913. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reinvaan \[sic\].
*Publ*.: 1913, cover-t.p., p. \[i\], \[65\]-90, \[91\], *pl. 13-16* (uncol. liths., photogr. and \[*16*\] draw.).
*Copies*: B, L, U. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 27: 65-91, *pl. 13-16.* 1913.
##### n.30.980. ontkieming
**Title**
Over de *ontkieming* van de zaden von enkele Javaansche *Loranthaceae*... Koninklijke Akademie van Wetenschappen... 1915. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 14 Mai 1915 (date on cover-t.p.), cover-t.p., p. 1-12. *Copy*: L. – Reprinted and to be cited from Verslag van de Gewone Vergadering der Wis- en Natuurkundige Afdeeling 23: 1438-1449. 1915.
##### n.30.981. flora
**Title**
The *flora* and the *fauna* of the islands of the *Krakatau-Group* in 1919... Extrait des Annales du Jardin Botanique de Buitenzorg... 1919. Oct.
**Notes**
*Publ*.: Nov-Dec 1919 (read 4 Oct 1919), cover (identif.), p. \[103\]-139, \[140\], *pl. 19-24* (uncol. phot.). *Copy*: B. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 31: 103-140, *pl. 19-24.* 1919.
*Dutch version*: Nov-Dec 1919 (read 4 Oct 1919), cover (identif.), p. 36-79. *Copy*: L. – Id. from Handel. 1. Ned.-Ind. Natuurw. Congres: 36-79. 1919.
##### n.30.982. Infloreszenz-Bulbillen
**Title**
Ueber *Infloreszenz-Bulbillen* in der Zingiberaceen-Gattung: *Globba*... Extrait des Annales du Jardin Botanique de Buitenzorg... 1919. Oct.
**Notes**
*Publ*.: 1919, cover-t.p., p. \[i\], \[1\]-17, *pl. 1-4* (uncol. draw. by P.W.M. Trap). *Copies*: B, L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 31: 1-17, *pl. 1-4.* 1919.
##### n.30.983. vegetative propagation
**Title**
On the *vegetative propagation* of two species of *Taeniophyllum* from Java... Extrait des Annales du Jardin Botanique de Buitenzorg... 1920. Oct.
**Notes**
*Publ*.: 1920, cover-t.p., p. \[i\] recto of \[46\], \[46\]-55, \[56\], *pl. 12-13* (uncol. draw.). *Copies*: B, L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 31: 46-55, 1920.
##### n.30.984. galls
**Title**
The *galls* of "*Krakatau*" and "*Verlaten Eiland*" (Desert Island) in 1919... Extrait des Annales du Jardin Botanique de Buitenzorg... 1920. Oct.
**Notes**
*Publ*.: 1920 (p. 58 signed Oct 1919), cover-t.p., p. \[57\]-82. *Copies*: BR, L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 31: 57-82. 1920.
##### n.30.985. Eriophyes pauropus
**Title**
Ueber die von *Eriophyes pauropus* Nal. an verschiedenen Arten von Nephrolepis gebildeten *Blattgallen*... \[Extrait des Annales du Jardin Botanique de Buitenzorg ... 1921\]. Oct.
**Notes**
*Co-author*: J. Docters van Leeuwen-Reijnvaan.
*Publ*.: 1921, cover (identif.). p. \[83\]-91, \[92\], *pl. 14* (uncol.). *Copy*: L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 31: 83-92, *pl. 14.* 1921.
##### n.30.986. vegetation
**Title**
The *vegetation* of the *Island of Sebesy*, situated in the Sunda-Strait, near the Islands of the Krakatau-group, in the year 1921... Extrait des Annales du Jardin Botanique de Buitenzorg... \[1922\]. Oct.
**Notes**
*Publ*.: 1922, cover-t.p., p. \[135\]-192, *pl. 36-37. Copy*: L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 32(2): 135-192, *pl. 36-37.* 1922.
##### n.30.987. present state
**Title**
On the *present state* of the *vegetation* of the Islands of the *Krakatau* Group and of the Island of Sebesy... 1923. Oct.
**Notes**
*Publ*.: 1923, p. 313-318. *Copies*: B, L. – Reprinted and to be cited from Proceedings of the Pan Pacific Science Congress 1: 313-318. 1923.
##### n.30.988. Some galls
**Title**
*Some galls* of the *Malacca Peninsula*... Extrait du Bulletin du Jardin Botanique de Buitenzorg... 1924. Oct.
**Notes**
*Publ*.: Jul 1924 (date on cover-t.p.), cover-t.p., p. \[116\]-157. *Copy*: L. – Reprinted and to be cited from Bull. Jard. bot. Buitenzorg, ser. 3. 6(2): 116-157. 1924.
##### n.30.989. neues Phycocecidium
**Title**
Ein *neues Phycocecidium* von *Niederländisch Ost-Indien*... Extrait du Bulletin du Jardin Botanique de Buitenzorg... 1924. Oct.
**Notes**
*Publ*.: Jul 1924 (date on cover-t.p.), cover-t.p., p. \[269\]-272. *Copy*: L. – Reprinted and to be cited from Bull. Jard. bot. Buitenzorg, ser. 3. 6(2): 269-272. 1924.
##### n.30.990. alpiene vegetatie
**Title**
De *alpiene vegetatie* van de *Lawoe-Vulkaan* in *Midden-Java*... Overgedrukt uit het "Natuurkundig Tijdschrift"... 1925. Oct.
**Notes**
*Publ*.: 1925, cover-t.p., p. \[i\], \[23\]-48, *pl.1-4* (uncol. photos (1-3), map (4)). *Copy*: L. – Reprinted and to be cited from Natuurk. Tijdschr. Ned.-Indië 85(1): 23-48, *pl. 1-4.* 1925.
##### n.30.991. Verbreitung
**Title**
Kleiner Beitrag zur Kenntnis der endozoischen *Verbreitung* einiger *Hochgebirgspflanzen* auf *Java*... Abdruck aus Flora... 1925. Oct.
**Notes**
*Publ*.: 1925, cover (identif.), p. \[81\]-88. *Copies*: B, L, U. – Reprinted and to be cited from Flora 118-119: 81-88. 1925. (Festschrift zum sechzigsten Geburtstag von Karl von Goebel).
##### n.30.992. Blumen und Insekten
**Title**
*Blumen und Insekten* auf einer kleinen *Korallen-Insel*... \[Annales du Jardin Botanique de Buitenzorg... 1927\]. Oct.
**Notes**
*Publ*.: 1927, cover (identif.), p. \[1\]-31, \[32\], *pl. 1-4* (uncol. photos 1-2, uncol. liths. 3-4).
*Copy*: L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 37: 1-32, *pl. 1-4.* 1927.
##### n.30.993. Rede
**Title**
*Rede*... Uitgesproken ter gelegenheid van den Dies natalis op 16 Augustus 1928... Overdruk uit Eerste Jaarboekje van de Geneeskundige Hoogeschool \[1928\]. Oct.
**Notes**
*Publ*.: Sep-Dec 1928, cover-t.p., p. \[1\]-29, *Copy*: L. – Reprinted and to be cited from Jaarb. Geneesk. Hoogeschool 1: 74-97. 1928.
##### n.30.994. Beiträge
**Title**
*Beiträge* zur Kenntnis der Javanischen *Loranthaceen*... Extrait des Annales du Jardin Botanique de Buitenzorg... \[1928\]. Oct.
**Notes**
*Publ*.: 1928, cover-t.p., p. \[121\]-130, *pl. 9-12* \[9-11 uncol. phot., 12 uncol. draw.\]. *Copies*: B, L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 38: 121-130, *pl. 9-12.* 1928.
##### n.30.995. Mierenplanten
**Title**
*Mierenplanten* en *Mierentuinen*... Overgedrukt uit de Handelingen van het vijfde Nederlandsch-Indisch Natuurwetenschappelijk Congres... 1928. Oct.
**Notes**
*Publ*.: 1928, cover-t.p., p. \[378\]-384. *Copies*: B, L. – Reprinted and to be cited from Handel. 5. Nederl.-Ind. Natuurwet. Congres 1928: 378-384.
##### n.30.996. Gal
**Title**
Over een *Gal* op *Symplocos fasciculata* Zoll., veroorzaakt door een Galmug: Asphondylia bursaria Felt, welke samenleeft met een Schimmel... Overgedrukt uit de Handelingen van het vijfde Nederlandsch-Indisch Natuurwetenschapenlijk Congres... 1928. Oct.
**Notes**
*Publ*.: 1928, cover-t.p., p. \[416\]-420. *Copy*: L. – Reprinted and to be cited from Handel. 5. Nederl.-Ind. Natuurwet. Congres 1928: 416-420.
##### n.30.997. Ameisen-Epiphyten
**Title**
Kurze Mitteilung über *Ameisen-Epiphyten* aus *Java*... Sonderabdruck aus den Berichten der Deutschen Botanischen Gesellschaft... 1929. Oct.
**Notes**
*Publ*.: 21 Mar 1929 (in journal, mss. submitted 14 Jan 1929), p. \[90\]-99. *Copies*: B, L. – Reprinted and to be cited from Ber. deut. bot. Ges. 47(2): 90-99. 1929.
##### n.30.998. Beobachtungen
**Title**
Einige *Beobachtungen* ueber das Zusammenleben von *Camponotus quadriceps* mit dem Ameisenbaum Endospermum formicarum aus Neu-Guinea... Extrait de Treubia... 1929. Oct.
**Notes**
*Publ*.: Jun 1929 (date on cover-t.p.), cover-t.p., p. 1-7, *pl. 13* (uncol. phot.). *Copy*: B. – Reprinted and to be cited from Treubia 10(4): 431-437, *pl. 13.* 1929.
##### n.30.999. Javaanse Rubus-soort
**Title**
Een in het vergeetboek geraakte *Javaanse Rubus-soort*... \[Overdruk uit "De Tropische Natuur"... 1929\]. Oct.
**Notes**
*Publ*.: Sep 1929, cover (identif.), p. 148-151. *Copies*: L, U. – Reprinted and to be cited from Trop. Natuur 18(9): 148-151. 1929.
##### n.31.000. Galle
**Title**
Ueber eine *Galle* auf *Symplocos fasciculata* Zoll., verursacht durch eine Gallmücke: Asphondylia Bursaria Felt, die mit einem Fungus zusammenlebt... \[Sonderabdruck aus Marcellia... 1929\]. Oct.
**Notes**
*Publ*.: 1929, p. 61-66. *Copy*: L. – Reprinted and to be cited from Marcellia 25: 61-66. 1929.
##### n.31.001. Krakatau's new flora
**Title**
*Krakatau's new flora*... Reprint of "Krakatau"... Java 1929. Oct.
**Notes**
*Publ*.: 1929, cover-t.p., p. 1 photo frontisp., \[59\]-79. *Copy*: B. – Reprinted and to be cited from *Krakatau*, published for the Fourth Pacific Science Congress, Java 1929, photo, p. 59-79.
##### n.31.002. Tjibodas
**Title**
*Tjibodas* (Botany)... Fourth Pacific Science Congress... Java 1929. Oct.
**Abbreviated title**: *Tjibodas*.
**Notes**
*Publ*.: 1929, cover-t.p., p. \[1\]-17, 4 phot. (uncol. in text). *Copy*: B.
##### n.31.003. Microstylis Kobi
**Title**
*Microstylis Kobi* J.J.S. Eine bulbillen-bildende Orchidee... Extrait du Bulletin du Jardin Botanique de Buitenzorg... 1930. Oct.
**Notes**
*Publ*.: Jun 1930 (date on cover-t.p.), cover-t.p., p. \[12\]-14, *pl. 2-3* (2: uncol. phot., 3: draw.).
*Copies*: B, L, U. – Reprinted and to be cited from Bull. Jard. bot. Buitenzorg ser. 3. 11(1): 12-14, *pl. 2-3.* 1930.
##### n.31.004. Gipfelvegetation
**Title**
Beitrag zur Kenntnis der *Gipfelvegetation* der in Mittel-Java gelegenen Vulkane *Soembing* und *Sindoro*... Extrait du Bulletin du Jardin Botanique de Buitenzorg... 1930. Oct.
**Notes**
*Publ*.: Jun 1930 (date on cover-t.p.), cover-t.p., p. \[28\]-56, *pl. 4-13* (uncol. phot.). *Copy*: L. – Reprinted and to be cited from Bull. Jard. bot. Buitenzorg ser. 3. 11(1): 28-56, *pl. 4-13.* 1930.
##### n.31.005. het leven
**Title**
Uit *het leven* van enkele *Javaansche Loranthaceae*... \[Overdruk uit "De Tropische Natuur"... 1931\]. Oct.
**Notes**
*Publ*.: Jun 1931 (in journal), cover (identif.), p. \[103\]-118. *Copies*: L, U. – Reprinted and to be cited from Trop. Natuur 20(6): 103-118. 1931.
##### n.31.006. Vogelbesuch
**Title**
*Vogelbesuch* an den Blüten von einigen *Erythrina-Arten* auf Java... Extrait des Annales du Jardin Botanique de Buitenzorg... 1931. Oct.
**Notes**
*Publ*.: 1931, cover-t.p., p. \[1\]-39, \[40\], *pl. 8-10*, *Copy*: L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 42: 57-96, *pl. 8-10.* 1931.
##### n.31.007. Pleopeltis sinuosa
**Title**
*Pleopeltis sinuosa* Bedd. en Lecanopteris carnosa Bl.... Overgedrukt uit het "Natuurkundig Tijdschrift voor Nederlandsch-Indië"... 1932. Oct.
**Notes**
*Publ*.: 1932, cover-t.p., p. \[1\]-5, 1 uncol. phot. *Copies*: L, U. – Reprinted and to be cited from Natuurk. Tijdschr. Ned.-Indië 92(2): 407-411. 1932.
##### n.31.008. Styrax-Galle aus Borneo
**Title**
Ueber eine neue *Styrax-Galle aus Borneo* und Celebes... Overgedrukt uit het Tijdschrift voor Entomologie... 1932. Oct.
**Notes**
*Publ*.: 1932, cover-t.p., p. \[97\]-99. *Copy*: L. – Reprinted and to be cited from Tijdschr. Entomol. 75(Suppl.): 97-99. 1932.
##### n.31.009. Sida rhombifolia
**Title**
Over de Bestuiving van *Sida rhombifolia* L.... \[Overdruk uit "De Tropische Natuur" ... 1933\]. Oct.
**Notes**
*Publ*.: Aug 1933 (in journal), cover (identif.), p. \[150\]-154. *Copy*: L. – Reprinted and to be cited from Trop. Natuur 22(8): 150-154. 1933.
##### n.31.010. Biology
**Title**
*Biology* of *plants* and *animals* occurring in the higher parts of *Mount Pangrango-Gedeh* in West-Java... Amsterdam (Uitgave van de N.V. Noord-Hollandsche Uitgevers-Maatschappij) 1933. Oct.
**Abbreviated title**: *Biol. pl. animals*.
**Notes**
*Publ*.: 1933 (Nat. Nov. Apr 1936), cover-t.p., p. \[i-vii\], \[1\]-278, table 1, *pl. 1-30* (uncol. phot.).
*Copies*: L, U. – Issued as Verh. Kon. Akad. Wetensch., Afd. Natuurk. (Tweede sectie) 31. 1933.
##### n.31.011. Endozoische Samenverbreitung
**Title**
*Endozoische Samenverbreitung* durch den Indischen Purpurstar: Aplonis panayensis strigatus Horsf.... Sonderabdruck aus den Berichten der Deutschen Botanischen Gesellschaft ... 1934. Oct.
**Notes**
*Publ*.: 26 Jul 1934 (in journal), cover (identif.), p. \[284\]-290. *Copies*: B, L. – Reprinted and to be cited from Ber. deut. bot. Ges. 52(6): 284-290. 1934.
##### n.31.012. Vegetation
**Title**
Die *Vegetation* der Insel *Toppers Hoedje* in der Soenda-Strasse... Overgedrukt uit het "Natuurkundig Tijdschrift voor Nederlandsch-Indië"... 1934. Oct.
**Notes**
*Publ*.: 1934, cover-t.p., p. \[149\]-169. *Copy*: L. – Reprinted and to be cited from Natuurk. Tijdschr. Ned.- Indië 94(2): 149-169. 1934.
##### n.31.013. Nederlandse zoocecidien
**Title**
Bijdrage tot de kennis van de *Nederlandse zoocecidien*... Overgedrukt uit het Nederlandsch Kruidkundig Archief... 1934. Oct.
**Notes**
*Publ*.: 1934, cover-t.p., p.\[238\]-288. *Copy*: L. – Reprinted and to be cited from Ned. kruidk. Arch. 44: 238-288. 1934.
*Eerste Supplement*: 1936, cover-t.p., p. \[500\]-509. *Copy*: L. – Id. 46: 500-509. 1936.
*Tweede Supplement*: 1938, cover-t.p, p. \[129\]-136. *Copy*: L. – Id. 48: 129-136. 1938.
*Derde Supplement*: 1941. cover-t.p., p. \[401\]-415. *Copy*: L. – Id. 52: 401-415. 1941.
##### n.31.014. dispersal
**Title**
The *dispersal* of *plants* by *fruit-eating bats*... Reprint from the Garden's Bulletin, Straits Settlements... 1935. Oct.
**Notes**
*Publ*.: Dec 1935 (date on cover-t.p.), cover-t.p., title recto of p. \[58\], \[58\]-63. *Copies*: B, L. – Reprinted and to be cited from Gard. Bull. Straits Settlem. 9(1): 58-63. 1935.
##### n.31.015. Kiemplanten
**Title**
*Kiemplanten* van *Loranthaceae* op bladeren... Overdruk uit Jubileum-Nummer van "De Tropische Natuur"... 1936. Oct.
**Notes**
*Publ*.: Feb 1936, cover-t.p., p. \[24\]-27. *Copy*: L. – Reprinted and to be cited from Trop. Natuur 25(2): 24-27. 1936.
##### n.31.016. Krakatau
**Title**
*Krakatau* 1883-1933. A. Botany with a frontispiece... Leiden (E.J. Brill) 1936. Oct.
**Abbreviated title**: *Krakatau*.
**Notes**
*Publ*.: 1936 (dedication handwritten in copy U: 1 Mai 1936), p. \[i-ii\], frontisp. phot., \[iii\]-xii, \[1\]-506, \[507\], *pl. 1-36* (uncol. phot.), map. *Copies*: L, NY, U. – Forms vol. xlvi-xlvii of "Annales du Jardin Botanique de Buitenzorg".
##### n.31.017. Salajar Islands
**Title**
Botanical results of a trip to the *Salajar Islands*... Reprinted from Blumea... 1937. Oct.
**Notes**
*Publ*.: 20 Apr 1937 (in journal), cover-t.p., p. \[239\]-277. *Copies*: L, U. – Reprinted and to be cited from Blumea 2(4): 239-277. 1937.
##### n.31.018. biology
**Title**
The *biology* of *Epipogium* roseum (D. Don) Lindl.... \[Blumea, Suppl. 1... 1937\]. Oct.
**Notes**
*Publ*.: 29 Jun 1937 (in journal), p. \[57\]-65, *pl. 6-7* (uncol. phot.). *Copy*: L. – Reprinted and to be cited from Blumea (suppl. 1): 57-65, *pl. 6-7.* 1937.
##### n.31.019. New
**Title**
*New* and noteworthy *zoocecidea* from the *Netherlands*... Estratto dalla Rivista "Marcellia"... 1937. Oct.
**Notes**
*Publ*.: 1937, cover-t.p., p. 73-86. *Copy*: L. – Reprinted and to be cited from Marcellia 29: 73-86. 1937 (for 1934-35).
##### n.31.020. Zoocecidia
**Title**
*Zoocecidia* van het eiland *Terschelling*... Overgedrukt uit: Entomologische Berichten ... 1938. Oct.
**Notes**
*Publ*.: 1 Sep 1938 (date on p. \[65\]), p. \[65\]-68. *Copy*: L. – Reprinted and to be cited from Entomol. Ber. (Amsterdam) 10(223): 65-68. 1938.
##### n.31.021. Biologische waarnemingen
**Title**
*Biologische waarnemingen* bij tropische *Loranthaceae*... Overgedrukt uit het Natuurwetenschappelijk Tijdschrift... 1938. Oct.
**Notes**
*Publ*.: 1938 (read 22-24 Apr 1938), p. \[197\]-199. *Copy*: L. – Reprinted and to be cited from Natuurw. Tijdschr. 20 (Congres-Nummer): 197-199. 1938.
*Note*: Text read at the 30-th. Vlaamsch Natuur- en Geneeskundig Congres, Leuven 22-24. Apr 1938.
##### n.31.022. Observations
**Title**
*Observations* about the *biology* of *tropical flowers*... \[Extrait des Annales du Jardin Botanique de Buitenzorg... 1938\]. Oct.
**Notes**
*Publ*.: 1938, cover (identif.), p. \[27\]-68, *pl. 7-12* (uncol. phot.). *Copy*: L. – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 48(2): 27-68, *pl. 7-12.* 1938.
##### n.31.023. mijtgal
**Title**
Een *mijtgal* op de vrouwelijke kegels van *Podocarpus neriifolia* Don... Overgedrukt uit het Natuurwetenschappelijk Tijdschrift... 1939. Oct.
**Notes**
*Publ*.: 1939, cover-t.p., p. 333-338. *Copy*: L. – Reprinted and to be cited from Natuurw. Tijdschr. 21(7): 333-338. 1939.
##### n.31.024. Ambrosia-gall
**Title**
An *Ambrosia-gall* on Symplocos fasciculata Zoll... Extrait des Annales du Jardin Botanique de Buitenzorg... 1939. Oct.
**Notes**
*Publ*.: 1939, cover-t.p., p. \[27\]-42, *pl. 1-5* (uncol., 1 (draw.), 2-5 (phot.)). – Reprinted and to be cited from Ann. Jard. bot. Buitenzorg 49(1): 27-42, *pl. 1-5.* 1939.
##### n.31.025. Some galls
**Title**
*Some galls* from the Island of *Enggano*... \[Blumea... 1940\]. Oct.
**Notes**
*Publ*.: 1 Mar 1940 (in journal), p. \[405\]-410. *Copy*: L. – Reprinted and to be cited from Blumea 3(3): 405-410. 1940.