My dear Spencer
I am very much obliged to you for having so kindly sent me your Descriptive Sociology.2 I saw some time ago some specimen sheets, & was astonished at the amount of labour bestowed on the subject. How you find time passes my comprehension.
Yours sincerely obliged | Ch. Darwin
Please cite as “DCP-LETT-9019,” in Ɛpsilon: The Charles Darwin Collection accessed on