Search: 1850-1859::1856::07::02 in date 
letter in document-type 
Sorted by:

Showing 1–2 of 2 items

DCP-LETT-1916

From:
John Henry Gurney
To:
Charles Robert Darwin
Date:
2 July 1856
Source of text:
DAR 165: 259
Summary:

Hybrids of Phasianus versicolor breed freely between themselves as well as with common pheasants. Has been assured that hybrids between mallards and pintails are sometimes fertile inter se.

Contributor:
Darwin Correspondence Project
thumbnail

Herschel1984

From:
Sir William Pole
To:
Cha[rle]s May
Date:
[2 July 1856]
Source of text:
RS:HS 14.17
Summary:

Claims himself perfect case of di-chromic vision, only seeing blue and yellow. Gave paper on his condition to R.S.L., quoting and supporting JH's theory. Hears JH is ill, or would send letter directly to JH.

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Repository
Contributor
Transcription available