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DCP-LETT-3055

From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
3 Feb [1861]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:

Is obliged for WBT’s "curious case". Discusses the effects of castration on development.

Contributor:
Darwin Correspondence Project

DCP-LETT-3056

From:
Charles Robert Darwin
To:
Jeffries Wyman
Date:
3 Feb [1861]
Source of text:
Harvard Medical Library in the Francis A. Countway Library of Medicine (Jeffries Wyman papers H MS c12)
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.

Contributor:
Darwin Correspondence Project

Herschel9347

From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[3 February 1861]
Source of text:
RS:HS 7.101
Summary:

On the orbits of short period comets, and the shortening of such orbits.

Contributor:
John Herschel Project
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