182 



SPOROZOA. 



with the narrow end of the oval projecting in the form of 

 a neck, and bearing a broad, inverted, V-shaped appendage, 

 clearly visible in both living and stained preparations. Each 

 sporocyst contains two sporozoites, and a sporocyst residue is 

 usually present at one end. Sporozoites usually slightly 

 curved, with one end broader than the other. 



Pig. 84. — Eimeria harpodoni Setna & Bana. A, spherical oocyst with 

 four sporoblasts, from the lumen of the gut ; B, mature 

 oocyst with four peculiar-shaped sporocysts each containing 

 two sporozoites and residue, after development outside the 

 body. (After Setna and Bana.) 



Dimensions. — Oocysts 9-13 /x in diameter; sporocysts 

 9 fxhy 4 fjL. 



Habitat. — Alimentary canal of the fish popularly known 

 as " Bombay Duck," Harpodon nehereus (Ham.-Buch.) : 

 Bombay, Bombay. 



110. Eimeria hemidactyli Knowles & Das-Gupta. (Fig. 85.) 



■\Eimeria hemidactyli, Knowles & Das-Gupta, 1935, pp. 703, 705, 

 pi. XXX, figs. 10-13, 18, 19 ; Ray & Das-Gupta, 1937 c, p. 270. 



Oocysts lemon-shaped. No micropyle could be seen, but 

 the wall of the oocyst was definitely thinner at the narrow 

 anterior pole than at the posterior end. 



Fig. 85. — Eimeria hemidactyli Knowles & Das-Gupta. 

 Lemon-shaped oocysts. (After Knowles and Das-Gupta.) 



