From:
George Cupples
To:
Charles Robert Darwin
Date:
[1 June 1869]
Source of text:
DAR 85: B56
Summary:
Note on proportion of sexes born in sheep.
Contributor:
Darwin Correspondence Project
Showing 1–10 of 10 items
Note on proportion of sexes born in sheep.
Wishes Cupples had said something about health. Sends regards to Mrs Cupples.
Proportion of sexes in (new-born) lambs equal, but males more likely to die.
Statistics on proportion of sexes in lambs.
On the proportion of sexes in lambs.
On proportion of sexes in litters of dogs.
Proportion of sexes in lambs, before castration.
Statistics on proportion of sexes of lambs.
Number of lambs born not kept. Counted only at time of castration.
Proportion of sexes in cattle and rats.
WA explains the figures he sent GC. In his experience female lambs at the time of castration outnumber the males. [Robert] Elliot differs.