PROTOZOOLOGY 



Fig. 178. a, b, Lithocystis brachycercus, X1330 (Pixell-Goodrich); 

 c, d, Pterospora maldaneoruvi (c, X40; d, X530) (Labb6); e, f, Cerato- 

 spora rnirahilis (e, X45; f, X670) (L^ger); g, Gonospora minchini, 

 X2000 (Goodrich); h, i, Cystobia irregularis (h, X65; i, X770) (Min- 

 chin); j-m, Allantocyslis dasyhelei (j-1, X500; m, X560) (Keilin); 

 n, Ganymedes anaspides, X570 (Huxley). 



C. rnirahilis L. (Fig. 178, e, /). Sporadins 500-600ju long; spore 

 12ix by 8m, filaments 34/x long; in general body cavity of Glycera sp. 



Genus Cystobia Mingazzini. Trophozoites, large, irregular; 

 fully grown forms always with 2 nuclei, due to early union of 2 

 individuals; spores oval, membrane drawn out and truncate at 

 one end; in blood vessels and coelom of Holothuria. 



C. irregularis (Minchin) (Fig. 178, h, i). Trophozoites irregular 

 in form; up to 500/x long; endoplasm opaque, granulated; cysts in 

 connective tissue of vessels; spore ovoid, epispore bottle-like, 

 25m long; in blood vessel of Holothuria nigra. 



