GENERA AND SPECIES. 



193 



Stentor igneus 

 Miilleri 



niger 



polymorphus 



Roeselii (Drop III. fig. 1) 



Stephanoceros Eichhornii 

 Stephanops lamellaris . 

 Synchasta pectinata (Drop IV. fig. 5) 

 Syncrypta volvox 

 Syimra uvella (Drop II. fig. 6) 

 Trachelius anas .... 

 Trachelocerca olor (Drop III. fig. 6) 

 Trachelomonas cylindrica 



volvocina (Drop II. fig. 3) 



Trichodina . ... 



Urocentrum turbo 



Uroglena volvox .... 



Uvella glaucoma . 



Vaginicola crystallina (Drop III. fig. 4) 



decumbens 



Vibrio 



Volvox aureus 



globator (Drop II. fig. 8) 



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