230 ILLINOIS BIOLOGICAL MONOGRAPHS [468 



EXPLANATION OF PLATE 



Figs. 210 to 213. Sinuolinea dimorpha. After Davis (1916 and 1917). 



Fig. 210. A living trophozoite (1916, Fig. 56). X640. 



Fig. 211. A living trophozoite from which a gemmule is just escaping (1916, Fig. 60). X640, 



Figs. 212 and 213. Spores (1917, Figs. 99 and 100). X1400. 



Figs. 214 to 216. Spores of Sinuolinea capsularis. After Davis (1917, Figs. 105 to 107). 



X1500. 

 Figs. 217 and 218. Spores of Sinuolinea arborescens. After Davis (1917, Figs. 109 to 110). 



X1500. 

 Fig. 219. Spore of Sinuolinea opaciia. After Davis (1917, Fig. 112). X1500. 

 Fig. 220. Spore of Sinuolinea brachiophora. After Davis (1917, Fig. 113). X1500. 

 Figs. 221 to 224. Myxidium lieberkuhni. After Butschli (1881 and 1882). 

 Fig. 221. A trophozoite (1882, PL 38, Fig. 12). X about 60. 

 Fig. 222. A trophozoite (1882, PI. 38, Fig. 13). X160. 

 Figs. 223 and 224. Trophozoites (1881, Figs. 27 and 26). 



