m - 



PROCEEDINGS 



OF THE 



aENEEAL MEETINaS EOK SCIENTIFIC BUSINESS 



OF THE 



ZOOLOGICAL SOCIETY 



OF LONDON. 

 1920. 



PART IV. 



CONTAINING Pages 441 TO 656^ WITH 40 Text-figures. 



DECEMBER 1920. 



PiUNTED FOR THE SOCIETY, 

 SOLD AT ITS HOUSE IN EEGENT'S PARK. 

 LONDON : 



MESSRS. LONGMANS, GREEN, AND CO. 



PATERNOSTER ROW. 



[Price Twelve Shillings.' 



