LANKESTERELLA . 



161 



but Noller believes that such schizonts belong to Dactylosoma 

 ranarum, another parasite of the frog's corpuscles. 



Habitat. — ^Blood of Rana tigrina Daud., and in the leech 

 which transmits it : Madras, Madras ; also from the same 

 host from India in the Zoological Gardens, London. 



Fig. 72. — Lanhesterella minima (Chaussat). A, young schizont ; 

 B, schizogony in an endothelial cell ; C, young forms in 

 endothelial cell ; D, mierogametocyte ; E, formation of 

 microgametes in the endothelial cells of blood-vessels ; 

 F, fertilization of a female gamete in an endothelial cell of 

 blood-vessel ; G, oocyst formed in an endothelial cell ; 

 H, mature oocyst containing sporozoites in endothelial cell. 

 (From Wenyon, after Noller.) 

 SPOR. M 



