^¥ 



PROCEEDINGS 



OF THE 



aEMRAL MSETmCxS FOE SCIENTIFIC BUSINESS 



ZOOLOGICAL SOCIETY 



OF LONDON. 



1920. (^PR 14 1921 



PART IV. 

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



DECEMBER 1920. 



PlilNTED FOR THE SOCIETY, 

 SOLD AT ITS HOUSE IN EEGENT'S PARK. 



LONDON: 



MESSRS. LONGMANS, GREEN, AND CO. 



PATERNOSTER KOW. 



\Frice Twelve Shillings.'] 



m 



