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To Jeffries Wyman 3 February [1861]
Summary
Can there be any truth in account of rattlesnakes fascinating their prey? Structure of rattle complex.
Fears it will be impossible to show gradation among other snakes.
Has JW seen Robert McDonnell’s article on electrical organ in skate ["On an organ in the skate", Nat. Hist. Rev. (1861): 57–60]?
Thanks for observations on Vespidae. Particularly values such cases of variation.
| Author: | Charles Robert Darwin |
| Addressee: | Jeffries Wyman |
| Date: | 3 Feb [1861] |
| Classmark: | Harvard Medical Library in the Francis A. Countway Library of Medicine (Jeffries Wyman papers H MS c12) |
| Letter no: | DCP-LETT-3056 |
