No. 224. 



ABSTRACT OF THE PROCEEDINGS 



OF THE 



ZOOLOGICAL SOCIETY OF LONDON.' 



February 21st, 1932. 



Prof. E. W. MacBride, D.Sc, LL.D., F.R.S., Vice-President, 

 in the Chair. 



The Secretary read a Report on the Additions to the 

 Society's Menagerie during the month of January, 1922. 



The Secretary exhibited, and made remarks upon, a photo- 

 graph of the Society's Gardens taken from an aeroplane. 



Miss L, E. Oheesman, F.E.S., exhibited specimens of the 

 Amphibious Mollusc, Ampullaria vermiformis, and described the 

 position and function of the siphon. 



Mr. G. C. RoBSON, F.Z.S., exhibited a series of models demon- 

 strating the respiratory mechanism of Ampullaria veriniformis. 



Mr. F. Martin Duncan, F.R.M.S., F.Z.S., exhibited a series 

 of cinematograph films showing the movements of Ainpullaria 

 vermiformis ; of the Fresh- water Crab, Cardisoma arrnatum ; and 

 of the Hawk's- bill Turtle, Ghelonia imbricata. 



Miss L. E. Chessman, F.E.S., described the habits, in captivity, 

 of the Fresh- water Ci'ab, Cardisoma armatum. 



* This ATDstract is published by the Society at its offices, Zoological Grardeiis, 

 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. 



