1885.] 



MICROSCOPICAL JOURNAL. 



185 



tip of which forms the easily de- 

 tachable point of support for the 

 body. The entire tail-like part seems 



When about to be absorbed or with- 

 drawn into the body, it becomes very 

 flexible, beine flourished and curved 



Fig. 29. — New Fresh-Water Infusoria. 



to be covered by a cuticulum similar ] and twisted in an amusing manner, 

 to that of the zooid, and is ciliated. 1 Both protrusion and absorption are 



Explanation of thr figures. 



Fig. 

 Fig. 

 Fig. 

 Fig 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



Phacus acufninatus X 700. 



Ophryo^/fna ovata, X no. 



Dexiotricha centralis X 700. 



Stentor globator. Contracted body X 340. 



" " Tail-like prolongation. 



Strontbidinopsis setigera X 450. 

 Scyphidia constricta X 300. 

 UroUptus limnetis X 216. 



Fig. 9. Stylonychia putrina X 260. 

 Fig. 10. Stylonychia vorax X 260. 

 Fig. II. Acinetajluviatilis X 330. 

 Fig. 12. Acineta lappacta X 1200. 

 Fig. 13. Acineta alata X 200. 



Fig. 14. " " Ideal horizontal optic section 



of the lorica. 



