RECORD: Darwin, C. R. Schlegel, Hermann. 1843. Essay on the physiognomy of serpents. Edinburgh. Maclachlan, Stewart & Co. CUL-DAR.LIB.571. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Text prepared and edited by John van Wyhe. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin.
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10 Many innocuous serpents (Q) have grooved teeth p 42 on do. important —47 (Q)
22 Snakes & Lizards a good gap well filled up p 24
26 Great changes in position of viscera owing to shape (Q) of body correlation Ch 7 ; & great difference in different forms External organs more constant
27 Number of vertebrae differing in same species
38 Rudiments of posterior extremities in 3 genera
45 Snakes with tips of ribs forming teeth (Q)
55 Pancreas Spleen differs in species & varies in individuals. (Q)
80 Crotalus mutus has spinet not rattle (N.Q)
146. Coluber canus only species of genus in S. Africa & abnormal species
199 ∗ Snakes in Isls of Pacific
203 Section of genus Elaps, trifling distinction in S. America (& shows persistence of trifling characters
206 Corvus cornix & Corone breeding at Dresden (Ch. 4)
207 Sardinia has many vars. (but not many distinct species)
218 Many Mammals of Japan identical
219 Saurians & snakes of Japan all distinct from Europe. Frogs the same !
222 to 226, 8 — to 235 The Monkey of Timor a darker var. this looks as if endemic & other Mammals.
Much on Zoology of Malay Arch. Philippines & Ceylon allied !
240 N. America in Reptiles seems to have derived from South (do not range far N.
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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 11 February, 2026