1897] 



MICROSCOPICAL JOURNAL. 



14Y 



respect. The Sticliotricha secunda — Perty, and Stichot- 

 richa aculeata — Wrz, are often seen in the pond waters 

 in New Orleans and hear only a superficial resem blance 

 to this form. 



Family. — OxytrichidsB. S. K. 



Genus. — Oxytricha. Ehr. 



Species. — Oxytricha furcatus. (fig. 19.) 



Body elliptical, both extremities evenly rounded; very 



12. — Entosiphon emarginata. x 1300. 

 13. — Enchelys audobonii. x 500. 

 14. — Holophrya pogonias. x 150. 

 15. — Coleps striata, x 375. 

 16. — Lembus attenuata. x 730. 

 17. — Trochilia fluviatilis. x 740. 

 18. — Sticliotricha opisthotonoides x '^75. 

 19. — Orytricha furcata.s. x 225. 



soft and flexible, less than two and a half times as long- 

 as wide; the left hand border slightly concave anteriorly 

 lip crescentic and conspicuous; peristome extending to 

 centre of body and strongly curved to oral aperture; the 

 right hand border of peristome bearing an undulating 

 membrane; frontal styles, eight and arranged as on Sty- 

 tony chia my til us, Ehr.; the three most anterior uncinate, 

 and the remaining five furcated; ventral series arranged 

 as on Stytonychia mytilus, Ehr., and all furcated; anal 



