No. 197. 



ABSTRACT OF THE PROCEEDINGS 



OF THE 



ZOOLOGICAL SOCIETY OF LONDON, 



November 4th, 1919. 



A. Smith Woodward, Esq., LL.D., F.E.S., Yice- President, 

 in the Chair. 



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

 of photographs showing the actinic quality of the light from a 

 living P^/^'O^^orMS Beetle, and, in describing the method employed 

 to obtain the records, stated that photo-spectroscopically the 

 greatest intensity of light action appeared to be in the yellow- 

 green region. 



Mr. E. Heron-Allen, F.R.S., F.Z.S., exhibited a series of 

 Skiagraphs of the Foraminif eran genus Verneuilina from examples 

 grown in a hypertonic tank, and described some further results 

 that he and Mr. A. Earland, F.R.M.S., had obtained in the course 

 of their investigations. 



Miss Joan B. Proctor, F.Z.S., commuinicated her paper on 

 " The Variation in the Number of Dorsal Scale-rows in our 

 British Snakes." 



Dr. G. A. Boulenger, F.R.S., F.Z.S., gave a restome of his 

 paper on " Some new Fishes from near the West Coast of Lake 

 Tanganyika." 



* 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 esti'a ciiarge, 

 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. 



