464 PROTOZOOLOGY 



Genus Sinuolinea Davis. Splierical or subspherical spores; su- 

 tural line sinuous; with or without lateral processes; 2 spherical 

 polar capsules; in urinary bladder of marine fish. 



S. dimorpha D. (Fig. 214, j, k). In Cynoscion regalis; spores 15^ 

 in diameter. 



Family 3 Chloromyxidae Thelohan 



Genus Chloromyxum Mingazzini. Spore with 4 polar capsules, 

 grouped at anterior end; shell surface often striated or ridged; 

 sutural Une frequently obscure; histozoic or coelozoic in fresh- 

 water or marine fish and also in amphibians. Numerous species. 



C. leydigi M. (Figs. 65, c, d; 214, I, m). In gall-bladder of vari- 

 ous species of Raja, Torpedo and Cestracion; spores 6-9)U by 5- 

 6m ; widely distributed. 



C. trijugum Kudo (Fig. 214, n). In gall-bladder of Xenotis 

 megalotis and Pomoxis sparoides; spores 8-10/i by 5-7//. 



Suborder 3 Platysporea Kudo 



Without indinophilous vacuole 



2 polar capsules, one at each pole Family 1 Myxidiidae 



1 polar capsule Family 2 Coccomyxidae (p. 466) 



2 or 4 polar capsules grouped. . .Family 3 Myxosomatidae (p. 466) 

 With an iodinophilous vacuole Family 4 Myxobolidae (p. 466) 



Family 1 Myxidiidae Thelohan 



Genus Myxidium Biitschli. Spores fusiform with pointed or 

 rounded ends; polar filament comparatively long, fine; coelozoic 

 or histozoic in fishes, also in amphibians and reptiles. Numerous 

 species. 



M. lieberkuhni Biitschli (Figs. 65, a, h; 215, a-d). In urinary 

 bladder of Esox spp.; spores 18-20 fj. by 5-6^; widely distributed. 



M. immersum (Lutz) (Fig. 215, e, /). In gall-bladder of various 

 species of toads and frogs, including Bujo sp., and Rana pipiens, 

 U.S.A.; trophozoites large rounded disc, thin, up to 3 mm. in 

 diameter; disporoblastic; polysporous; spores with 7-9 conspicu- 

 ous transverse ridges, about 12;u by 7^. 



M. kudoi Meglitsch. In gall-bladder of Ictalurus furcatus ; troph- 

 ozoites large disc-like, up to 1 mm. in diameter; spores 8.5-12/1 

 long by 4-6//. 



Genus Sphaeromyxa Thelohan. Spore fusiform, but ends usu- 

 ally truncate; polar filament short, thick; trophozoites large, dis- 

 coid; coelozoic in marine fish. Several species. 



