[24] See Roux, ’81, for a discussion of this important extension of Darwinism.
[25] See Thorndike, op. cit.; Washburn, The Animal Mind. New York, 1913.
III ILS N’ONT QUE DE L’ÂME: AN ESSAY ON BIRD-MIND
THE BIRDS
To most of us, a bird’s a feathered song
Which for our pleasure gives a voice to spring.