No. 242. 



ABSTRACT OF THE PROOEEDINGS 



OF THE 



ZOOLOGICAL SOCIETY OF LONDON.* 



May 29th, 1923. 



Dr. A. Smith Woodward, F.R.S., Vice-President, 



in the Chair. 



The Secretauy read a Report on the Additions to the Society's 

 Menagerie daring the month of April 1923. 



Dr. G. M. Vevers, F.Z.S., exhibited, under microscopes, a 

 series of preparations of tlie pnrasitic Protozoon Balantidium coli, 

 and described a case of Balantidiosis in a Brazilian Tapir now in 

 the Society's Gardens. 



Prof. J. P. Hill, F.R.S., Vice-President, exhibited a series of 

 photographs of the Australian Lung-fish (Ceratodits) and of the 

 rivers it inhabits, and drew attention to the ujgent need for 

 efiective protection of this rare Vertebrate. 



Dr. N. S. Lucas, F.Z.S., exhibited, and made remarks upon, 

 a mucous cyst fiom the frontal sinus of a Cercopitheque. 



Mr. 0. Tate Regan, M.A., F.R.S., F.Z.S., exhibited, and made 

 remarks upon, photographs of the Spotted Basking Shark 

 {Hhinodon typicus). Mr. Regan also exhibited some deep-sea 

 fishes taken by the ' Dana ' Expedition, under^the leadership of 

 Dr. Johannes Sclimidt. The fishes exhibited belonged to the 

 very rare and little-known genera Gigantena and StylophomSy 

 which agree in having telescopic eyes placed close together and 

 directed forwards. 



* Tliis Abstmct is published by tlie Society at its ofTices, Zoologiciil GardpiiB, 

 liogont's I'nrk, N.W., on tlio Tuesday following tlio date of Meeting to wliicl* 

 il refers. It will bo issued, along with tlie 'Proceedings,' free of extra ciiarge, 

 to all Fellows wbo subscribe to tlie Publications; but it may be obtained on ilie 

 diiy of publication at the price of Sixpence, or, if desired, sent post-free lor 

 the sum ^f Six Shillmgs per aunuui, payable in advance. 



