514 



Microscopic ai Essays, 



l ion . is quick, vacillatory, and interrupted. If the 'water in which 

 it fwims fail, it affumes an oval form, is comprefled, and at I aft 

 burfts. It is found in an infufion of hay, generally about thir- 

 teen hours after the infufion is made. 



j 12. Kolpoda Pirum. Fig. 20 and 21, Plate XXV. 



Kolpoda convexa, ovalis, apice in roftrum produ6ta. Convex 

 kolpoda, oval, the apex formed into a kind of beak. 



The body is uniform and tranfparent, without any fenfible in- 

 equality, the neck rather long, ' and a little bent • it is of a pale 

 colour, and furnifhed with obfcure little globules. Fig. 20 re- 

 prefents this animalculum, 21 the fame dividing to form another, 

 .a the fore-part, b the hind-part, c where it is dividing. 



113. Kolpoda Cuneus. 



Kolpoda clavata, teres, apice dentata. Clavated kolpoda, 

 round, the apex dentated. 



This is a large animalculum, the body white, gelatinous., 

 without any dill ind vifcera. On the fore-part at one fide there is 

 a pellucid, bright, filiated puflule ; the apex is diftinguifhed by 

 three or four teeth, the hinder-part is fmaller than the fore-part, 

 with an obtufe termination, which it can bend in a fpiral form. 



IX. Go- 



