From:
Charles Robert Darwin
To:
Charles Valentine Riley
Date:
19 May 1877
Source of text:
Christie’s (dealers) (16–23 May 2019, lot 6)
Summary:
Thanks him for the 9th Report [on the noxious, beneficial, and other insects of the State of Missouri]. "What a pretty illustration of a sub-rudimentary organ is that of the saw-fly!"
Contributor:
Darwin Correspondence Project