194 



SPOROZOA. 



122, Eimeria wassilewskyi RastegaieflF. (Fig. 94.) 



■fEimeria wassilewskyi, Rastegaieff, 1930, pp. 391-2, fig. 3. 



Oocysts egg-shaped, flattened at one end, with a distinct 

 micropyle. 



Dimensions. — Oocysts 18 /a by 14-4 ju, ; micropyle 4-5 /a. 



Habitat. — ^Alimentary canal of Axis axis Erxl. {=Gerviis axis), 

 from India, in the Zoological Gardens at Leningrad. 



123, Eimeria yakimovi Rastegaieff. (Eig. 97.) 



■fEimeria yakimovi, Rastegaieff, 1930, p. 389, fig. 1, 



Oocysts oval, with distinct micropyle and containing 

 four sporocysts. Sporocysts oval, each containing two sporo- 



Fig. 97.- 



-Eimeria yakimovi Rastegaieff. 

 (After Rastegaieff.) 



zoites, which are pyriform, and lie in a tete-beche manner. 

 No cystal or sporal residue present. 



Dimensions. — Oocysts 32-4-41-4ju, by 21-6-28-8jLt ; sporo- 

 cysts 13-19)Lc by 3-5-4ju. ; sporozoites lI-7-13'6ju, by 4-5/x. 



Habitat. — Alimentary canal of the nilgai, Boselaphus 

 tragocamelus (Pall.), from India, in the Zoological Gardens at 

 Leningrad. 



124. Eimeria ziirni (Rivolta). (Fig. 95.) 



Coccidium perforans (part), Ziirn & Proger, 1877, p. 113. 

 Cytospermum, ziirni, Rivolta, 1878. 

 Coccidium ziirni, RailHet & Lucet, 1891, p. 247, 

 Coccidium perforans var., Labbe, 1899, p. 67. 



Eimeria ziirni, Jowett, 1911, p. 207 ; Smith & Graybill, 1918, 

 p. 89 ; Hegner & Taliaferro, 1924, p. 287 ; Wenyon, 1926, 

 pp. 842-3. 

 IBovine Coccidia, Cooper, 1924, p. 48. 

 •fEimeria ziirnii, Cooper, 1926 a, p. 290. 

 Eimeria ziirni, Yakimoff & Galouzo, 1927, pp. 185-200, figs. 8-15; 

 Reichenow, 1929, p. 945 ; Rastegaieff, 1930, p. 399. 

 tSmaller form, Sen, 1932, p. 34. 



