538 



Microscopical Essays. 



98. Kolpoda Lamella. 



Kolpoda elongata membranacea, antice curvata. 



This animalculum is a pellucid membrane, long and narrow, 

 the hind-part obtufe, narrower, and curved towards the top ; no 

 interlines difcoverable, only a ridge, or fold, going through the 

 middle. It's motion is vacillatory and lingular, moving to and 

 fro on it's edge, not on the flat fide, as is ufual with mod micro- 

 fcopic animals. It is found in water, but is very feldom to be- 

 met with.. 



gg. Kolpoda Gall inula; 



Kolpoda oblonga, dorfo antico membranaceo hyalino. Ob* 

 long kolpoda, the back towards the fore-part bright and mem- 

 branaceous. 



The apex rather bent, the belly oval, convex and ftriated. It 

 is found in fcetid fait water. 



100. Kolpoda Roftrum. 



Kolpoda oblonga, antice uncinata. Oblong, the fore-part 

 hooded. 



The fore-part is bent into a kind of hook, the hind-part is ob- 

 tufe, and every- where filled with black molecules. One of the 

 edges, from the fore- part to the middle, is often fo blunted and 



' dilated; 



