Microscopical Essays, 



613 



This vorticella may be ranked among the larger ones, as it is 

 vifible to the naked eye. The body is fomewhat conical,, of a 

 dirty red colour; it's fhape has been compared to that of a 

 grenadier's cap. 



294. Vorticella Utriculata. 



Vorticella viridis, ventri colli, produclilis, antice truncata. 

 Green vorticella, ventricofe, the belly capable of being lengthen- 

 ed or fhortened, the fore-part truncated,, much in. the fhape of 

 a common waterrbottle, , the neck fometimes very long, at 

 others with fcarce any at all, and is filled with green molecules. 



20,5. . Vorticella Ocreata. 



Vorticella fubcubica, infra in angulum obtufum producia. 

 This vorticella is fomewhat of a cubical figure, the under part 

 bent in an obtufe angle. 



It is a very Angular animalculum, being in fhape like the lower 

 part of a boot ; the apex of the upper part, or leg, is truncated 

 and ciliated, the heel pointed, the foot round. It is an inhabi- 

 tant of rivers, though very rarely to be met with. 



296. Vorticella Valga., 



Vorticella cubica, infra divaricata. Cubical vorticella, the 

 !ower part divaricated.,. 



This.-, 



