No. 191. 



ABSTRACT OF THE PROCEEDINGS 



OF THE 



ZOOLOGICAL SOCIETY OF LONDON, 



April 8th, 1919. 



Dr. S. F. Harmek, F.R.S., F.Z.S., Vice-President, 

 in the Chair. 



Dr. F. E. Beddard, F.R.S., F.Z.S., exhibited and made re- 

 marks on three foetal Sperm-Whales, drawing attention to the 

 smallest foetus exhibited, which measured 4g inches in length. 



Mr. H. W. Unthank, B.A., B.Sc, 'P.Z.S., gave a resume of 

 Mr. Lancelot T. Hogben's Paper on "The Progressive Reduction 

 of the Jugal in the Mammalia.'"' 



In the absence of Mr. G. A. Boulenger, F.R.S., F.Z.S., his 



communication on "Two new Lizards and a new Frog from the 

 Andes of Colombia " was taken as read. 



Mr. R. I. PococK, F.R.S., F.Z.S., Curator of Mammals, ga,ve 

 an exhibition, illustrated by lantern-slides, to show some of the 

 structural characters by which the geneiu of Felidse may be 

 distinguished from each other, special attention being drawn to 

 the formation of the feet in the Cheetah [Acinonyx), to the 

 modifications of the hyoidean apparatus in the Lions, Tigers, 

 Leopards, and Jaguars [Panthera), and to the position of the 

 partition in the auditory bulla in other genera. 



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

 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. 



