Microscopical Essays, 



49 1 



This enclielis is lively and pellucid, the fore-part is protu- 

 berant, and filled with molecules, the hinder-part fmaller and 

 empty ; it has moveable molecular inteftines. It's motion is 

 rapid, palling backwards and forwards through the diameter of 

 the drop. When at reft, it feems to have a little (welling, or 

 tubercle, on the middle of the body. 



35. Enchelis Tremula. 



Enchelis ovato-cylindracea, gelatina. Oval enchelis, cylin- 

 drical, gelatinous. 



This is alfo to be placed amongft the mod minute animalcula ; 

 the end of it is rather pointed, and has a tremulous motion ; it 

 almolt induces one to think it has a tail. Two of thefe little crea- 

 tures may at times be perceived to adhere together. It was found 

 in an infufion with the paramsecia aurelia, and many other ani- 

 malcula, 



36. Enchelis Conftricla* 



Enchelis obovata, cryftallina, medio coar&ata. Suboval en- 

 chelis, crystalline, with a ftriclure in the middle. 



An animalculum of an oval fhape, the middle part drawn in, 

 as if a firing was tied round its It is of a very fmall fize, and is 

 found in fait water. 



