4 88 



Microscopical Essays. 



is difcoverable at the apex of the fore-part, which feems to be 

 the mouth. When in motion, the whole ofdt appears opake and 

 green. Is found in marfhes. 



27. Enchelis Defes. 



Enchelis viridis, cylindrica, fubacuminata gelatinofa. Green, 

 cylindrical, gelatinous, tlie ends fomewhat pointed. 



The body is round, the colour a very dark green, fo that it is 

 quite opake ; the fore-part is bluntly rounded off, * the hinder part 

 is fomewhat tapering, but finifhes with a rounded end. From it's 

 opacity, no internal parts can be difcovered ; there is a degree of 

 tranfparency near the ends. 



It is exceeding idle, moving very flowly ; to be found, though 

 rarely, in an infufion of lemnee. 



28. Enchelis Similis. 



Enchelis obovato-epaca, interaneis mobilibus. Enchelis of an 

 egg-fhape, opake, with moveable interlines. 



It is an opake body, with a pellucid margin ; both extremities 

 are obtufe, but the upper one much more fo than the under one ; 

 it is filled with moveable fpherules. It's motion is generally 

 quick, either to the right or the left ; it is probably furnifned with 

 hairs, becaufe, when moving rapidly, the margin appears fin- 

 ated. It is found in water that has been kept for months. 



29. En- 



