634 Microscopical Essays. 



very fmall briflles (d), which it moves and hides at pleafure ; the 

 interlines ill- defined. It's motion is rotatory, but in various 

 directions. Is found commonly in marmy waters. 



328. Vorticella Canicula. 



Vorticella cylindracea, apertura mutica, Cauda brevi, articulata, 

 bicufpi. Cylindrical vorticella, the aperture plain, the tail fhort^ 

 articulated, and dividing into two pointed parts. 



329. Vorticella Felis. 



Vorticella caudata, cylindracea, mutica, cauda fpinis duabus 

 longis terminata. With a tail, cylindrical, beardlefs, the tail ter- 

 minating in two long fpines. 



The body is large, the apex of an equal thicknefs, obtufe, 

 with rotatory filaments ; the tail acute, with two pellucid fpines, 

 about one-third of the body in length, feparating from and then 

 approaching each other alternately. 



330. Vorticella Stentorea* 



See page 429 of this work. 



331. Vorticella Socialise 



See page 432 of this work. 



332. VoiV 



