246 ILLINOIS BIOLOGICAL MONOGRAPHS (484 



EXPLANATION OF PLATE 



Fig. 448. The branchia of Lucioperca volgensis with cysts of Myxoholus volgensis. After 



Reuss (1906, Fig. 2). X2.25. 

 Fig. 449. A spore oi Myxobolus scardinii. After Reuss (1906, Fig. 3). X1500. 

 Fig. 450, Air bladder of Scardinius erythrophthalmus with the cysts of Myxobolus physo- 



philus. After Reuss (1906, Fig. 5). X2. 

 Fig. 451. A spore oi Myxobolus physophilus. After Reuss (1906, Fig. 4). X1500. 

 Fig. 452. A spore of Myxobolus macrocapsularis. After Reuss (1906, Fig. 6). X1500. 

 Fig. 453. A spore of Myxobolus sandrae. After Reuss (1906, Fig. 7). X2000. 

 Fig. 454. A spore oi Myxobolus bramae. After Reuss (1906, Fig. 9). X1500. 

 Fig. 455. A spore oiMyxobohisballeri. After Reuss (1906, Fig. 10). X1500. 

 Fig. 456. A spore oi Myxobolus cyprinicola. After Reuss (1906, Fig. 11). X1500. 

 Figs. 457-459. Myxobolus squamae. After Keysselitz (1908a). 

 Fig. 457. A part of the infected scale (1908a, Fig. G.) 

 Fig. 458. A spore treated with Lugol's solution (1908a, PI. 14, Fig. 94). 

 Fig. 459. A stained spore (1908a, PI. 14, Fig. 96). 



Figs. 460 and 461. Spores of Myxobolus cordis. After Keysselitz (1908a). 

 Fig. 460. A spore treated with Lugol's solution (1908a, PI. 16, Fig. 16). 

 Fig. 461. A strained spore (1908a, Fig. B on page 281). 

 Figs. 462 to 464. Spores of Myxobolus musculi. After Keysselitz (1908a). 

 Fig. 462. A spore treated with Lugol's solution (1908a, PI. 15, Fig. 13). 

 Fig. 463 and 464. Stained spores (1908a, Figs. D and E on page 286). 

 Fig. 465. Spores oi Myxobolus sp. After Wegener (1910, Fig. 44). X1050. 

 Fig. 466. A spore oi Myxobolus per magnus. After Wegener (1910, Fig. 45). X1050. 

 Fig. 467. Spores of Myxobolus rotundus. After Nemeczek (1911, Figs. 10 and 11). XlOOO. 

 Fig. 468. Spores of Myxobolus minutus. After Nemeczek (1911, Figs. 16 and 17). XlOOO. 

 Figs. 469 and 470. Spores of Myxobolus magnus. After Awerinzew (1913, 76). X about 



340. 

 Figs. 471 to 473. Spores of Myxobolus carassii. After Klokacewa (1914, Fig. 1). X about 



2400. 



