"First published September 1923; third edition January 1926 ...published in Pelican books 1930"
Biolography at end of each chapter except chapter VI
by Julian Sorell, Huxley ...
CONTENTS.-Progress, biological and other.-Biology and sociology.-Ils n'ont que de l'ame: an essay on bird-mind.-Sex biology and sxepsychology.-Philosophic ants: a biologic fantasy.- Rationalism and the idea of God.-Religion and science: old wine in new bottles