THE 
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y s 
ZOOLOGICAL RECORD 
VOLUME THE FIFTY-SEVENTH 
RKING 
RECORDS OE ZOOLOGICAL LITERATURE 
RELATING CHIEFLY TO THE YEAR 
1920 
Compiled for the Zoological Society of London with Assistance from TnE 
Regional Bureaus of the International Catalogue, by 
D. Sharp, H. M. Woodcock, A. K. Totton, W. N. Edwards, H. B. Preston, 
S. K. Montgomery, J. R. Norman, W. L. Sclater, J. B, Procter and M. Hinton. 
SUPERINTENDED BY 
DAVID SHARP, M.A., F.: 
S.. &c. 
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Explorate solum : |Afit vj ^olultla.1924 
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☆ 
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LONDON: 
PRINTED FOR THE SOCIETY; 
SOLD AT THEIR HOUSE IN REGENTS PARK 
MDCCCCXXII. 
