Search: Darwin, C. R. in addressee 
Darwin, C. R. in correspondent 
1870-1879::1875::03 in date 
letter in document-type 
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From:
Robert Lawson (Lawson) Tait
To:
Charles Robert Darwin
Date:
27 Mar [1875]
Source of text:
DAR 178: 5
Summary:

Is preparing a paper on the umbilical cord ["On the anatomy of the umbilical cord", Proc. R. Soc. Lond. 23 (1875): 498–501; 24 (1876): 417–40] of which he sends a preliminary note [missing]. Believes spiral growth of the umbilical cord is important evidence of the descent of man; speculates on spiral growth in general.

Contributor:
Darwin Correspondence Project
From:
Gould Anne Ruxton; Gould Anne Wolfe
To:
Charles Robert Darwin
Date:
9 Mar 1875
Source of text:
DAR 181: 135
Summary:

CD’s Descent.

Fighting among beetles.

Similarity between dogs and men; intelligence of dogs.

Contributor:
Darwin Correspondence Project
From:
Robert Francis Cooke; John Murray
To:
Charles Robert Darwin
Date:
19 Mar 1875
Source of text:
DAR 171: 445
Summary:

A curious alteration in the reprint of Variation.

Contributor:
Darwin Correspondence Project