WORMS FROM MAMMALS AND BIRDS. 505 



Yulva 0'82 mm. from the anterior extremity ; the slender 

 vngina is directed posteriorly and has a length of 2'4 mm. 

 Egos thin-shelled, measuring 0-03-0-035"x 0-02 mm. 



Bibliography. 



DiESiKG, K. M. (1861). — "Revisioji der Nematoden." Sitz- 



ungsber. d. Kais. Akad. Wiss. Wien, xlii. 1860, pp. 595-736. 

 Hall, M. C. (1916).— " Nematode Parasites of Mammals of the 



Orders Rodentia, Lagomorpha, and Hyracoidea." Proc. U.S. 



Nat. Mus. Washington, 1. pp. 1-258. 

 Henry et Ozoux (1909).— "La Filaire du Foudi." Bull. 8oc. 



Poth. Exot. Paris, ii. pp. 544-547. 

 LiNSTOW, 0. von (1888). — "Report on the Entozoa collected by 



H.M.S. 'Cliallenger' dui'ing the j^ears 1873-6." 'Challenger' 



Reports, xxiii. pp. 1-18. 

 (1891). — '^\Jehev Filc0-i a iricuspis nnd die Blutfilarien der 



Knihen." Arch. f. Natiirg. Berlin, Ivii. p. 292. 

 (1899). — "Nematoden aus der Berliner Zoologischen Samm- 



lung." Mitt. a.d. Zool. Samml. d. Mus. f. Naturk. Berlin, 



i. (2). pp. 1-28. 

 Plimmer, H. G. (1915). — " Report on the deaths which occurred 



in the Zoological Gardens during 1914, togetlier with a list 



of the blood-paia sites found during the year." Proc. Zool. 



Soc. London (1), pp. 123-130. 

 Railliet, a., Henry, A., et Langeron, M. (1912). — " Le genre 



Acanthocheilonema Cobbold, et les Filaires peritoneales des 



Carnivores."' Ball. Soc. Path. Exot. Paris, v. pp. 392-395. 

 Stossich, M. (1897).— "Filarie e Spiroptere. Lavoro Mono- 



grafieo." Bull. Soc. adriat. di sci. nat. Trieste, xviii. 



pp. 11-162 



Proc. Zool. Soc— 1920 No. XXXIY. 34 



