* 



'icroscopical Essays. 



495 



The body is round, of an equal fize throughout, and both 

 ends obtufe ; more than half the length is without any vifible 

 interlines, the lower end full of veficular, pellucid, minute glo- 

 bules ; a large globular veficle is alfo to be found in the fore -part; 

 it moves quickly from one fide to the other, in a vacillatory 

 manner. It was found in fea. water. 



45. Enchelis Farcimen. 



Enchelis cylindracea curvata utrinque truncata. A cylindric 

 enchelis, crooked and truncated at both ends. 



The body of this is cylindrical, about four times longer than 

 it is wide, even, truncated at both ends, the interlines opake, and 

 not to be diflinguifhed ; it turns the extremities oppofite ways, 

 fo as to form the figure of an S. It is to be found in water that 

 has flood for fome time, though but feldom. Joblot found it in 

 an infufion of blue bottles; it moves in an undulatory manner, 

 but very flowly, 



4.6, Enchelis Index. 



Enchelis inverfe conica, apicis altero angulo produtlo. En- 

 chelis in the form of an inverted cone, one edge of the apex 

 produced out fo as to form an angle with the other part. 



The body rather opake, of a grey colour, and of a long 

 conical figure ; the lower end obtufe, the fore-part thick, one 

 fide of this part projecting like a finger from the edge; two very 

 fmall projections proceed alfo fometimes from the lower end, 

 4 This 



