CNIDOSPORIDIA, MYXOSPORIDIA 461 



attached on bases; sporoplasm usually not filling intrasporal cav- 

 ity; in gall-bladder of marine fish. Numerous species. 



C. mesospora Davis (Fig. 212, a). In gall-bladder of Cestracion 

 zygaena; spores, Sn in sutural diameter and 50-65^ wide. 



C. hopkinsi Jameson (Fig. 212, 6, c,). In gall-bladder of Paro- 

 phrys vetulus, Microstomus pacificus and Citharichthys xanthostig- 

 mus; trophozoites disporous; spores 5.7-7.5fj. in sutural diameter 

 and 28.8-39ju broad. 



Genus Leptotheca Thelohan. Shell-valves hemispherical; in 

 gall-bladder or urinary bladder of marine fish and one in amphib- 

 ians. Numerous species. 



L. ohlmacheri (Gurley) (Fig. 212, d-j). In uriniferous tubules of 

 kidney of frogs and toads; spores 9.5-12/i in sutural diameter and 

 13-14. 5)U wide. 



Genus M3rxoproteus Doflein. Spores pyramidal with or without 

 distinct processes at base of pyramid; in urinary bladder of ma- 

 rine fish. 3 species. 



M. cordiformis Davis (Fig. 214, a). In urinary bladder of Chae- 

 todipterus faber ; spores 12/x by 10-1 1/z. 



Family 2 Wardiidae Kudo 



Genus Wardia Kudo. Spores isosceles triangle with 2 convex 

 sides; oval in profile; 2 large polar capsules; tissue parasites of 

 freshwater fish. 2 species. 



W. ovinocua K. (Fig. 214, h). In ovary of Lepomis humilis; 

 spores 9-1 Iju in sutural diameter and 10-12^i wide. 



Genus Mitraspora Fujita. Spores circular or ovoidal in front 

 view; somewhat flattened in profile; 2 polar capsules; shell stri- 

 ated; with or without posterior filaments; in kidneys of freshwa- 

 ter fishes. This genus apparently includes border-line forms be- 

 tween this and other suborders. 3 species. 



M. elongata Kudo. In kidney of Apomotis cyanellus; spores 15- 

 17m by 5-Qfx. 



Suborder 2 Sphaerosporea Kudo 



Spore with 1 polar capsule Family 1 Unicapsulidae 



Spore with 2 polar capsules Family 2 Sphaerosporidae (p. 462) 



Spore with 4 polar capsules Family 3 Chloromyxidae (p. 464) 



Family 1 Unicapsulidae Kudo 

 Genus Unicapsula Davis. Spherical spore with 1 polar capsule; 



