> [!cite] BHL link: this entry starts at [page 868](https://www.biodiversitylibrary.org/page/33069110) of TL-2 Vol. II
> Author links: [IPNI](https://www.ipni.org/a/5534-1) LSID 5534-1, [Wikidata](https://www.wikidata.org/wiki/Q21518793) QID Q21518793
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Lewis, Francis West (1825-1902), American diatomologist at Philadelphia.
**Abbreviated name**: *F. W. Lewis* \[standard form in IPNI: *F.W.Lewis*\]
#### Herbarium and types
[[Collection PH|PH]] (inf. R. Patrick).
#### Bibliography and biography
Barnhart 376 (further biogr. refs.): CSP 3: 995, 8: 216: Jackson p. 159, 359: Kew p. 428: ME 2: 204, 214, 216.
- De Toni 1: lxxviii;
- Deby, J., Bibl. microsc. microgr. stud. 3(Diat.): 37. 1882.
- Phillips, V. T. and M. E., Guide mss. Coll. Acad. Phila. p. 491 \[index\]. 1963.
### Publications
##### n.4475. Notes on new and rarer species of Diatomaceae
**Title**
*Notes on new and rarer species of Diatomaceae*, of the United States seaboard. Philadelphia (Merrihew & Thompson, printers,...) 1861. Oct.
**Notes**
*Publ*.: Jan-Mar 1861 (submitted Apr 1861: see Fox 1913), p. \[1\]-14, *pl. 1-2* (uncol. liths.).
*Copy*: NY. – Reprinted from Proc. Acad. nat. Sci., Philadelphia 14: 61-74. 1861-1862. See also J. micr. Sci. 2: 155-161. 1862.
*Ref*.: Fox, W.J., *in* E.J. Nolan, Index sci. cont. J. Proc. Acad. nat. Sci. Philadelphia xii. 1913.
##### n.4476. On some new and singular intermediate forms of Diatomaceae
**Title**
*On some new and singular intermediate forms of Diatomaceae*... Philadelphia (Merrihew & Thompson, printers,...) s.d. \[1863\]. Oct.
**Notes**
*Publ*.: Dec 1863 (in journal), p. \[1\]-12, *pl. 1* (uncol. liths. auct.). *Copy*: NY. – Reprinted from Proc. Acad. nat. Sci., Philadelphia Dec 1863, p. 336-346. To be cited from journal.
##### n.4477. On extreme and exceptional variation of diatoms
**Title**
*On extreme and exceptional variation of diatoms* in some White Mountain localities, etc.... Philadelphia (Collins, printer,...) 1865. Oct.
**Notes**
*Publ*.: 1865 (submitted 3 Jan 1865), p. \[1\]-16, *pl. 2* (uncol. lith. auct.). *Copy*: NY. – Reprinted from Proc. Acad. nat. Sci. Philadelphia 1865: 7-18 (for Jan-Mar 1865). To be cited from journal.