CONTENTS 



I PROGRESS, BIOLOGICAL AND OTHER 



II BIOLOGY AND SOCIOLOGY 69 



III ILS N ONT QUE DE LAME: AN ESSAY ON BIRD- 

 MIND 107 



IV SEX BIOLOGY AND SEX PSYCHOLOGY 133 



V PHILOSOPHIC ANTS: A BIOLOGIC FANTASY 177 



yi RATIONALISM AND THE IDEA OF GOD 207 



yil RELIGION AND SCIENCE: OLD WINE IN NEW BOTTLES 235 



