234 ILLINOIS BIOLOGICAL MONOGRAPHS [472 



EXPLANATION OF PLATE 



Figs. 255 to 257. Myxddium danilewskyi. After Laveran (1898). 



Figs. 255 and 256. Longitudinal and transverse sections thru renal tubules, showing the 



trophozoites (1898, Figs. 1 and 2). Fig. 255. X350. 

 Fig. 257. Spores (1898, Figs. 4, 5 and 6). X800. 



Fig. 258. Spores of Myxidium giganteum. After Doflein (1898, Fig. 48). X about 500. 

 Figs. 259 to 261. Spores of Myxidium giardi. After CepSde (1906a, Figs. 1, 3 and 2). 



X2000. 

 Figs. 262 to 265. Spwres of Myxidium pfeifferi. After Auerbach (1908, Figs. 6 and 7). 



X about 2000, except Fig. 265. 

 Fig. 266. A spore of Myxidium inflatum. After Auerbach (1909, Fig. 3a). X about 1500. 

 Fig. 267. A spore of Myxidium bergense. After Auerbach (1910a, Fig. 57). X about 1820. 

 Fig. 268. A spore of Myxidium procerum. After Auerbach (1910a, Fig. 58). X about 2000. 

 Figs. 269 to 271. Spores of Myxidium mackiei. After Bosanquet (1910, Fig. 12). X 



about 1250. 

 Figs. 272 and 273. Spores of Myxidium macrocapsidare. After Auerbach (1910d, Figs, la 



and lb). X3000. 

 Figs. 274 to 276. Myxidium sp. After Awerinzew (1908 and 1911). 

 Fig. 274. A monosporous trophozoite (1911, Fig. C). 

 Fig. 275. A disprous trophozoite (1908, PI. 2, Fig. 6). Obj. E and oc. 4. 

 Fig. 276. A spore (1908, PI. la. Fig. 17). X about 1000. 

 Figs. 277 and 278. Spores of Myxidium depressum. After Parisi (1912, Figs. 2a and 2b). 



X about 1600. 

 Figs. 279 and 280. Spores of Myxidium oviforme. After Parisi (1912, Fig. 3). X about 



1600. 

 Figs. 281 to 284. Spores of Myxidium anguiUae. After Ishii (1915, Fig. 3a). X1450, 

 Figs. 285 and 286. Myxidium sp. After Mavor (1915). 

 Fig. 285. A spore treated with ammonia water (1915, Fig. 3a). X660. 

 Fig. 286. A spore (1915, Fig. 3b). X1320. 



Figs. 287 to 290. Spores of Myxidium gadi. After Georg6vitch (1916, Figs. 1, 4, 3 and 2). 

 Fig. 228. A spore from Solea vulgaris. 

 Figs. 289 and 290. Young spores. 



