PROCEEDINGS 



OF THE 



GENERAL MEETINGS EOR SCIENTIFIC BUSINESS 



OF THE 



ZOOLOGICAL SOCIETY 



OF LONDON. 

 1921, pp. 1-446, 



WITH 17 Plates and 157 Text-figures. 



2,S 9 ^ 3 / 



PRINTED FOR THE SOCIETY, 

 SOLD AT ITS HOUSE IN EEGENT'S PARK. 



LONDON: 

 MESSRS. LONGMANS, GREEN, AND CO. 

 PATERNOSTER ROW. 



