I long to do a little work again.

The magnificent (by far the most magnificent, and too magnificent) compliment which you paid me at the end of your "Origin of Species" (175/4.

A title applied to the "Lectures to Working Men," that "green little book" referred to in Letter 156.

Speaking of Mr.
Darwin's work he says (page 156): "I believe that if you strip it of its theoretical part, it still remains one of the greatest encyclopaedias of biological doctrine that any one man ever brought forth; and I believe that, if you take it as the embodiment of an hypothesis, it is destined to be the guide of biological and psychological speculation for the next three or four generations.') I have met with reprinted from you two or three times lately.
LETTER 175A.

TO ERASMUS DARWIN.