74 



LIST OF INFUSORIA. 



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 59 



VIBRIONIA. 



XXVIII. Spirochaeta 



98 plicatilis,/i(7. 60 



XXIX. Spirillum 



99 tenue 



100 undula (**),fig. 61 



101 volutans (*) 



102 hryozoon, [plate x\i.'\fi^ 



520 to 531 



XXX. Spirodiscus 



103 in\\\\s,fig. 62 



