CD responds to information about residue of milk digested by Drosera. Is obliged for information on strength of acids and albumen and now has little doubt acid had impaired the leaves. Awaits word on pepsin and papaw juice.

Thanks for note and paper ["Secondary sexual characters in Cheiroptera", Proc. Zool. Soc. Lond. (1873): 241–52].

Has corrected error in new edition of Descent [1874].

Sees nothing strange in geckos inhabiting frost-clad land and having no claws.

Comments on CL’s planned bequest to science. CD would do the same if he had fewer sons.