CONTENTS
| I | PROGRESS, BIOLOGICAL AND OTHER | [3] |
| II | BIOLOGY AND SOCIOLOGY | [69] |
| III | ILS N’ONT QUE DE L’ÂME: AN ESSAY ON BIRD-MIND | [107] |
| IV | SEX BIOLOGY AND SEX PSYCHOLOGY | [133] |
| V | PHILOSOPHIC ANTS: A BIOLOGIC FANTASY | [177] |
| VI | RATIONALISM AND THE IDEA OF GOD | [207] |
| VII | RELIGION AND SCIENCE: OLD WINE IN NEW BOTTLES | [235] |