No. 201 . 



ABSTRACT OF THE PROCEEDINGS 



OF THE 



ZOOLOGICAL SOCIETY OF LONDON. 



March 16th, 1920. 



Prof. E. W. MacBridb, F.R.S., F.Z.S., Vice-President, 

 in the Chair. 



Mr. R. I. PococK, F.R.S., read a Report on the Additions to 

 the Society's Menagerie during tlie month of February, 1920. 



Mr. E. G. BouLENGER, F.Z.S., exhibited and made remarks on 

 a Frog with a duplicate foot. 



Prof. J. P. Hill, F.R.S. , exhibited and made remarks on an 

 Embryo obtained from a Kangaroo recently living in the Society's 

 Menagerie. 



Mr. R. I. PococK, F.R.S., read a paper, illustrated by lantern- 

 slides, on the external characters of the South American Monkeys, 

 and showed the variations in the range of structure of the ears, 

 nose, hands, and feet and external genitalia. 



Dr. C, F. SoNNTAG, F.Z.S., communicated his paper on " The 

 Comparative Anatomy of the Tongues of the Mammalia," and, 

 having first outlined the plan which would be followed in his 

 series of comparative studies, proceeded to describe the different 

 divisions of the tongue and the physical characters of each. He 

 demonstrated by diagrams and lantern-slides the different forms 



* This Abstract is published by the Society at its offices, Zoological Gardens, 

 Regent's Park, N.W., on the Tuesday following the date of Meeting to which 

 it refers. It will be issued, along with the ' Proceedings,' free of extra charge, 

 to all Fellows who subscribe to the Publications ; but it may be obtained on the 

 day of publication at the price of Sixpence, or, if desired, sent post-free for 

 the sum of Six Shillings per annum, payable in advance. 



