M ICR OS-CO PICAL ESS AYSv 533 ■ 



87. Cyclidium Nigricans. 



Cyclidium oblongiufculum, margine nigricans. Oblong cy- 

 clidium, with a black margin. 



It is very fm all, pellucid, flat, and with a black margin. With 

 a fmall magnifier it may be miftaken for an enchelis.. 



88* Cyclidium Roflratium. 



Cyclidium ovale,- antice mucronatum. An oval cyclidium^. 

 the fore-part pointed. 



This is an oval, fmooth, and very pellucid animalculum, the 

 fore-part produced into an obtufe point ; with this it feels and 

 examines bodies. It is probably ciliated, though the hairs have 

 not been difcovered. 



The inteftines are filled with a blue liquor, forming in a tube,, 

 which, from the aperture to the middle of the body, is divided 

 into two legs, or branches ; beyond the middle there are two 

 little tranfverfe blue lines. The colour fometimes vanifhes, and 

 then only veficular interlines are difcerned. 



89. Cyclidium Nucleus. 



Cyclidium ovale, poftice acuminatum. An oval cyclidium,, 

 the hind-part pointed,. 



The 



