> [!cite] BHL link: this entry starts at [page 212](https://www.biodiversitylibrary.org/page/33259258) of TL-2 Suppl. V
> Author links: [Wikidata](https://www.wikidata.org/wiki/Q7105218) QID Q7105218
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Derby, Orville \[Adalberto\] (1851-1915), American geologist and palaeontologist, born 23 Jul 1851 at Kelloggsville, N.Y., died 27 Nov 1915 at Rio de Janeiro, studied at Cornell University, assistant in Geological Survey of Brazil 1879, with the Museu Nacional, Brazil, 1886 organized the Geology Survey of the State of São Paulo.
**Abbreviated name**: *Derby*
#### Herbarium and types
Unknown.
#### Bibliography and biography
Barnhart 1: 444 (b. 23 Jul 1851, d. 27 Nov 1915, Rio de Janeiro); BM 1: 442; Quenstedt p. 112.
#### Biofile
- Anon., Rev. Mus. Paulista 10 \[São Paulo\]: 909-928. 1928.
- Branner, J.C., Bull. Geol. Soc. Amer. 27: 15-21. 1916 (portr., bibl., 15 titles), see also 20: 36-42. 1910 (bibl.).
- Teschauer, Carlos, Congr.-Intern. Hist. America \[date?\] p. 377.
### Publications
##### n.29.808. stem structure
**Title**
Observations on the *stem structure* of *Psaronius brasiliensis*... From the American Journal of Science... 1913. Oct.
**Notes**
*Publ*.: Nov 1913 (date on cover-t.p., p. 497 mss. signed 12 Jul 1913), cover-t.p., p. \[489\]-497.
*Copy*: B. – Reprinted and to be cited from Amer. J. Sci. 36: 489-497. 1913.
##### n.29.809. crown structure
**Title**
Observations on the *crown structure* of *Psaronius braziliensis* \[sic\]... From the American Journal of Science... 1914. Oct.
**Notes**
*Publ*.: Aug 1914 (date on cover-t.p., p. 156 mss. signed 15 Mar 1914), cover-t.p., p. 149-156.
*Copy*: B. – Reprinted and to be cited from Amer. J. Sci. 38: 149-156. 1914.