424 



THE INFUSORIA 



FIG. 92. 



Gemmula of Tokophrya cyclopum, 

 Cl. and L., x750, with an equatorial 

 band of cilia. M, meganucleus ; c.v, 

 contractile vacuole. (After Schewia- 

 koff.) 



FIG. 91. 



ToTcophrya cyclopum, Cl. and L. M, meganucleus ; 

 p, pedicle ; c.v, contractile vacuole ; G, gemmula in 

 brood chamber ; S, groups of suckers. (After Schewia- 

 koflf.) X 1000. 



FIG. 93. 



Tokophrya elongata, Clap, and L. 

 a, meganucleus ; 6, 6, contractile 

 vacuoles. x 150. 



FIG. 94. 



Acineta grandis, Kent, 

 X 100, showing peduncu- 

 lated lorica and disc with 

 two bunches of suckers. 

 a, meganucleus. 



Fio. 95. 



A single head of a species of 

 Ephelota, with three whorls of ten- 

 tacles. (After Ishikawa.) The indi- 

 vidual is '5 mm. x '16 mm. in size. 



Family METACINETINA, Biitschli. Metacineta, Butschli. Body 

 capable of being completely retracted into the conically expanded 

 termination of the peduncle. 0'7. Freshwater. 



