222 ILLINOIS BIOLOGICAL MONOGRAPHS (460 



EXPLANATION OF PLATE 

 Figs. 98 to 104. Mitraspora cyprini. 

 Figs. 98 and 99. Trophozoites from the ureter of Cyprinus carpio in vivo. Original. X 



about 1500. 

 Figs. 100 and 101. Different views of fresh spores. Original. X about 2000. 

 Figs. 102 to 104. Spores. After Fujita (1912, Figs, la to Ic). 

 Figs. 105 to 107. Mitraspora caudaia. After Parisi (1910 and 1913). 

 Fig. 105. A trophozoite (1910, Fig. 1). 

 Figs. 106 and 107. Front and lateral views of the spore (1913, Fig. 20 and 1910, Fig. 2). 



X about 1600. 

 Figs. 108 to 113. Chloromyxum leydigi. 



Figs. 108 and 109. Trophozoites. After Th^lohan (1895, Figs. 7 and 6). X750. 

 Figs. 110 and 111. Trophozoites in division. After Doflein (1898, Figs. 57 and 58). 

 Figs. 112 and 113. Different views of spores. After Th61ohan (1895, Figs. 10 and 9). 



X1500. 

 Fig. 114. A spore of Chloromyxum catidatum. After Thdohan (1895, Fig. 36). X1500. 

 Figs. 115 and 116. Different views of the spore of Chloromyxum quadratum. After Th61ohan 



(1895, Figs. 100a and 100b). X1500. 

 Fig. 117. A spore of Chloromyxum quadratum treated with nitric acid. After Th6Iohan 



(1895, Fig. 100c). X1500. 

 Fig. 118. A spoie oi Chloromyxum fluviaiile. After Th61ohan (1892, Fig. 2). X1500. 

 Figs. 119 and 120. Different views of the spore of Chloromyxum mucronatum. After Lieber- 



kiihn from Guriey (1894, PI. 39, Fig. 5). X about 1750. 

 Figs. 121 and 122. The same after Balbiani (1884, Fig. 41). X about 1200. 

 Figs. 123 and 125. Spores of Chloromyxum diploxys. After Balbiani from Guriey (1894 



PI. 42, Figs. 13a, 13b and 13c). 



