From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
9 July [1873]
Source of text:
Oxford University Museum of Natural History (Hope Entomological Collections 1350 Box 1 Wallace MSS)
Summary:
Forwards photograph, sent by [J. L. G.] Krefft, of a chrysalis attached to its food-plant; the chrysalis has adjusted its colour remarkably.
Contributor:
Darwin Correspondence Project