CONTENTS 



I PROGRESS, BIOLOGICAL AND OTHER 3 



I 



II BIOLOGY AND SOCIOLOGY 69 



III iLS n'ont que de l'ame: 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 



yil RELIGION AND SCIENCE: OLD WINE IN NEW BOTTLES 235 



'J('Jf't 



