85g dr. wilr tam xicoll ox 



References. 



1. l)s Faria, Gomez. 1910. — Contribution towards the Classifi- 



cation of Brazilian Entozoa. II. Dicrocceliutn infidum, 

 n. sp., Parasite of the Gall-bladder of Euneates marina L. 

 Memorias do Instituto Oswaldo Cruz, ii. (1) pp. 22-28, pi. 2. 



2. De Faria, Gomez. 1911. — Beitriige zur Systematik der bra- 



zilianischen Helminthen. IV. Styphlodora condita, n. sp. 

 Memorias do Instituto Oswaldo Cruz, iii. (1) pp. 40-45, pi. 1. 



3. GoLDBERGER, J. 1911. — A New Trematode (Styphlodora 



bascaniensis) with a blind Laurer's Canal. Proc. U.S. Nat. 

 Mus. xl, pp. 233-239. 



4. Leidy, J. 1850. — Descriptions of Two Species of Bisfoma, with 



the partial History of one of them. Journ. Acad. Nat. Sc. 

 Philadelphia, ser. 2, vol. i. pp. 301-310, pi. 43. 



5. Looss, A. 1899.— Weitere Beitrage zur Kenntniss der 



Trematoden-Fauna Aegyptens. Zoolog. Jahrbiicher, Abt. f. 

 Syst. xii. pp. 707-708, pi. 26, fig. 28. 



6. Odhner, T. 1910. — NordostafrikanischeTrematoden. Results 



Swedish Zool. Exped. to Egypt and White Nile, 1901> p. 53, 

 note 2, fig, V. 



51. Statistical Note on the Worm Parasites collected from 

 the Animals dying in the Zoological Gai-dens, from 

 December 1910 till April 1912. By William Nicoll, 

 M.A., D.Sc, M.D., F.Z.S., Lister Institute o£ Preventive 

 Medicine, London. 



[Received May 30, 1913 : Read June 4, 1912.] 



Index. 



Page 

 Ethology : Animals dying in the Zoological 

 Society's Gardens, numbers infected with 



parasitic worms 857 



Geographical Zoology : Importance of ascertaining 



distribution of parasitic worms 857 



At the scientific meeting of the Society held on May 21st last, 

 I referred to the excellent work which is being done by the 

 Prosectorial depai-tment in acquiring information concei-ning the 

 parasites which infect the animals living in the Gardens. This 

 is particularly noteworthy in regard to the woi-m parasites, about 

 which many valuable facts have been obtained. Following my 

 remarks at the meeting, Dr. Beddard suggested that I might be 

 able to supply some general information regarding the animals 

 which had been sent to me for examination, and acting on this 

 suggestion I venture to offer the following communication. 



The scheme, which owes its initiation to the Secretai'v of the 



