308 



HANDBOOK OF PROTOZOOLOGY 



Mitraspora elongata Kudo (Fig. 130, k). In the kidney of 

 Lepomis cyanellus. The spore is 15 to 17 microns long by 5 to 6 

 microns wide. 



Suborder 2 Sphaerosporea Kudo 



With four polar capsules Family 1 Chloromyxidae 



With one or two polar capsules Family 2 Sphaerosporidae 



Family 1 Chloromyxidae Thelohan 

 Genus Chloromyxum Mingazzini. Spore with four polar 

 capsules, grouped at the anterior end. Surface often striated 

 or with ridges. The sutural line is often obscure. Histozoic and 

 coelozoic in freshwater and marine fishes and also in amphibians. 

 Numerous species. 



Chloromyxum leydigi Mingazzini (Fig. 131, a, 6). In the 



Fig. 131 a, b. Chloromyxum leydigi. (After Thelohan). 

 a, trophozoite (X250); b, a spore (X500). 



c. Trophozoite of C. trijiigum with mature and 

 developing spores. X565 (After Kudo). 



d. Spore of Sphaerospora polymer pha. X500 

 (After Davis). 



e, f. Sinuolinea dimorpha. (After Davis), e, a 

 living trophozoite with three buds (X210); 

 f, a spore (X465). 

 g. A spore of Unicapsula muscularis. X830 

 (After Davis). 



gall bladder of various species of Raja, Torpedo, and Cestra- 

 cion. The spore is 6 to 9 microns by 5 to 6 microns. Widely 

 distributed. 



Chloromyxum trijugum Kudo (Fig. 131, c). In the gall 

 bladder of Lepomis megalotis. The spore measures 8 to 10 

 microns by 5 to 7 microns. 



Family 2 Sphaerosporidae Davis 

 Genus Sphaerospora Thelohan. The spore with two polar 

 capsules. Histozoic or coelozoic parasites of marine and fresh- 

 water fish. 



