74 



LIST OF INFUSORIA. 



i 



FAMILY IV. 



XXVI. Bacterium 



89 triloculare (*), group 58 



90 ? enchelys 



91 ? punctum 



XXVII. Vibrio 



92 lineola (**) 



93 tremulans (*) 



94 subtilis 



95 rugula (***) 



96 prolifer 



97 bacillus (*), group 50 



VIBRIONIA. 



XXVIII. Spirochaeta 



98 plicatilis,/igf. 60 



XXIX. Spirillum 



99 tenue 



100 undula {**),fig. 61 



101 volutans (*) 



102 bryozoon, [j)late x\\.'\fig. 



520 to 531 



XXX. Spirodiscus 



103 h\\vus,fig. 62 



