654 



PROTOZOOLOGY 



S. tincae Plehn (S. pernicialis Leger) (Fig. 280, d-i). In the kidney 

 and other viscera of Tinea tinea in France and Germany; cause of 

 epidemic disease among young tench; disease is manifest by great 

 distension of anterior portion of abdomen and up-turned mouth : in- 



Fig. 282. a-e, Sphaerospora polymorpha (Kudo) (a, a trophozoite in life, 

 XI 530; b, stage in simple plasmotomy, X700; c, d, front and anterior end 

 views of fresh spores; e, a spore with the extruded polar filaments, 

 X1415);f-h, Myxidium. serotinum (Kudo) (f, a stained young trophozoite, 

 XI 530; g, h, two views of fresh spores, showing the ridges on the mem- 

 brane, X915); i-1, Kudoa clupeidae (Meglitsch) (i, j, two views of un- 

 stained spores, X1240; k, 1, stained spores, X1430); m-p, K. thyrsites 

 (Willis) (m-o, preserved spores; p, a spore from section). 



fection fatal through rupture of abdominal wall; spores 7-8.75/* in 

 diameter (Leger, 1929). 



Genus Sinuolinea Davis. Spherical 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. 280, j, k). In Cynoscion regalis; spores 15m in 

 diameter (Davis, 1917). 



Family 3 Chloromyxidae Thelohan 



Genus Chloromyxum Mingazzini. Spore with 4 polar capsules, 

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



