PROTOZOOLOGY 



Fig. 182. a, Stylocephalus giganteus, X65 (Ellis); b, Bidbocephalus 

 elongatus, Xl5 (Watson); c, d, Cystocephalus algerianus (c, X6; 

 d, X930) (Schneider); e, Lophocephalus i7isignis (Schneider); f, Acan- 

 thospora polyrnorpha, X1670 (L^ger); g, h, Corycella armata (h, X860) 

 (L^ger); i, Prismatospora evansi, X50 (Ellis); j, k, Ancrjrophora gracilis 

 (k, X1250) (L^ger); 1, m, Cotnetoides capitahis (m, X1330) (L6ger); 

 n, o, Actinocephalus acutispora (L^ger); p, Amphoroides calverti, XlBO 

 (Watson); q, Asterophora philica, X65 (Leidy) ; r, Steinina rotunda. 

 Xl30 (Watson); s, Pileocephalus striatus, XlSO (L^ger and Duboscq); 

 t, Stylocystis praecox, X80 (L^ger). 



Genus Acanthospora Leger. Epimerite simple conical knob; 

 spores with spines. 



A. polyrnorpha L. (Fig. 182, /). Sporadins polymorphic; up to 

 1 mm. long; protomerite cylindro-conical; deutomerite ovoidal; 

 endoplasm yellowish brown; cyst 500-700^ in diameter;, spore 

 with 6 spines at each pole and at equatorial plane, 8n by 4.4/x; in 

 gut of Hydrous cerahoides. 



Genus Corycella Leger. Epimerite globular, with 8 hooks; 

 spores biconical, with one row of polar spines. 



C. armata L. (Fig. 182, g, h). Sporadins 280-300)U long; cysts 



