6i6 



"Microscopical Essays. 



301. Vorticella Stellina. 



"Vorticella orbicularis, difeo moleculari, peripheria ciliata. 

 Orbicular vorticella, with a molecular difc, and ciliated peri- 

 phery. 



.302. Vorticella Difcina. Fig. 8, 9, 10, Plate XXVI. A. 



Vorticella orbicularis, margine ciliato, fubtus convexo-anfata. 

 ■Orbicular vorticella, the edge ciliated, with a kind of convex 

 handle on the under fide. 



303. Vorticella Scyphina. 



Vorticella craterformis, cryftallina, medio fphasrula opaca. 

 ■Bowl-fhaped vorticella, cryftalline, an opake fpherule in the 

 middle. 



304. Vorticella Albina. 



Vorticella cylindrica, poftice acuminata. Cylindrical vorticel- 

 la, the hinder-part tapering, and almoft brought to a point, 



305. Vorticella Fritillina. 



Vorticella cylindrica vacua, apice truncata, ciliis praslongig, 

 Empty cylindrical vorticella, the apex truncated 



306. Vor- 



