SPOEOZOA. 



(with Romanowsky's stain) stains uniform blue, leaving no 

 clear pole ; the nucleus is stained reddish-blue and is near 

 the anterior pole. 



Fig. 54. — Hsemogregarina inirabilis Cast. & Will. A, intra-corpuscular 

 form bent double ; B, parasite within the capsule inside 

 a corpuscle ; G, D, parasite emerging from the cyst and the 

 corpuscle ; E, F, free forms. (After Gastellani & Willey . ) 



Dimensions. — Length about 12 ju,. 



BemarJcs. — Gastellani and Willey (1904) described the 

 occurrence within the corpuscles of parasites of relatively 

 large size and shghtly crescentic or reniform shape, and con- 

 sisting of a membrane {cytocysl) inside which developed an 

 elongate body {monozoite) with a well-defined nucleus. 

 This organism escaped from the cytocyst and the corpuscle 

 and became a freely motile organism in the blood. The 

 exact stages cannot be determined from their description, 

 but probably they were dealing with the development of the 

 gametes from the gametocytes. 



Habitat. — Blood of Tropidonotus asperrimus Bouleng. : 

 €eylon ; and Tropidonotus piscator Schneider : Ceylon (also 

 in specimens from Ceylon in the Zoological Gardens, London) : 

 Madras, Madras. 



54. Hsemogregarina najse Laveran. (Fig. 55.) 



Hsemogregarina najse, Laveran, 1902, p. 1037, figs. 1-3. 

 ^Hsemogregarina najse, Patton, 1908, p. 318. 

 Hsemogregarina najse, Dobell, 1908, p. 293. 

 ■\Hxmogregarina najse, Plinuner, 1912, p. 413 ; 1913, p. 149 ; 1914, 

 p. 188 ; 1916, p. 85. 

 Hsemogregarina najse, Gastellani & Chalmers, 1919, p. 487; Wenyon, 



1926, p. 1110, pi. xix, figs. 8-10 ; p. 1393. 

 ■fHsemogregarina najse, Scott, 1926, p. 236 ; 1927, p. 189. 



Intra-corpuscular form elongate, vermicular, rounded at 

 one end and drawn out at the other. When fully developed, 

 bent upon itself. Nucleus oval, more or less elongate, 

 situated about the middle. 



Dimensions. — ^Vermicular form 14ju, in length ; fully 

 developed form 21-22ju. by 3 /x at the rounded end. 



