Note 17 — Chapter I · Introductory: The Darwinism of Darwin, and of the Post-Darwinian Schools.

For a discussion of this remarkable case, see Mental Evolution in Animals, pp. 222-3. It appears to me that if Mr. Wallace's argument from the "latent capacities of the voice of Man" is good for anything, a fortiori it must be taken to prove that, in the case of the Parrot, "the organ has been prepared in anticipation" of the amusement which the cultivation of its latent capacities arouses in "civilized man."