Microscopical Essays. 



273. Kerona Calvitium. 



Kerona latiufcula, oblonga, antice corniculis micantibus. Ra- 

 ther broad, oblong, with glittering horns on the fore-part. 



The body is rather broad and flat, both fides obtufe, filled 

 with black molecules, and more particularly a dark fpot near the 

 hinder-part ; the interjacent veficles are pellucid, no hairs on the 

 fore-part, but inftead thereof two little moveable horns, and from 

 three to five moveable black points,., a few fhort briftles at the 

 hind-part. Found in the infufions of vegetables. 



274. Kerona Puftulluata. . 



Kerona ovalis convexa, poftice altero margine finuata, utraque 

 cxtremitate crinita, corniculifque anticis. Oval convex kerona, 

 one edge of the hinder-part finuated, both ends fet with hairs, 

 and fome horns placed on the fore-part. 



This animalculum was found in fait water. 



XV. H 1 M a n t o p u s. 



Vermis inconfpicuus, pellucidus, cirratus. A pellucid, invi- 

 fible, cirrated * worm. 



275, Hi- 



* That is, furniflied with a tuft or lock of hair. 



