WORMS. INFUSORIA. 112. Cyclidium. 715 



*Oviferum. Depreffed, with large oval molecules within. 

 Adams micrpjc. p. 483. tab. 25. fig, 25. 

 Body oval, pellucid, with black grains. 



*Margina- Depreffed, grey, with a double margin. 

 turn, Adams microfc. p. 483. tab. 25. Jig. 24. 



Body fldt, elliptical, with a clear fpiral mteftine. 



Caudatum, Pointed at both ends, the middle broader and filled with 

 molecules. 

 Hermann. Naturf . 20. p. $57. tab.. 3. fig. 38, 

 In waters among duck-weed : motion ilovv. 



Anceps, Tail 2-edged, head obtufe. 



Hermann. Nat urfi, 20. p. 15,7. ta£. 3. ^. 39. 



In water producing the Hydrocharis : flow in motion. 



Acutum. Tail 2-edged, head acute. 



Hermann. Naturf. 20. p. 158. ta<5. 3. fig. 40. 



In ftagnant water: flow, continually agitating the tail. 



112. CYCLIDIUM. Worm invifible to the 

 naked eye, very fimple, pellucid, flat, 

 orbicular or oval. 



*Bulla, Orbicular, tranfparent. 



Hill anim. tab. 1.2. Wrifib, infus.f. I, b. 



In infufions of hay: pellucid, white, with the edges a little 

 darker ; motion ilovv and circular. 



Milium, Elliptical, tranfparent. 



Adams microfc. p.Ajg* n. 84. 



In vegetable infufions: pellucid, cryftaliine, membranaceous, 

 with aline through the whole length. 



Glaucoma* Oval, with hardly viflble inteftines. 



Hermann. Naturf. 20. p. 148. tab. $.fi 2~- b ? 



In water which has been kept 6 months: pellucid, membrana- 

 ceous, with tranfparent greenilh-blue inteftines, and iometimes 

 a blackiih margin. 



*Radians % Ovate, with diftinclly viable inteftines. 

 Hill bifi. anim. tab. l.fig. 3. 

 Hermann. Naturf. 20. p. 151. tab. 3. fig. 27, i. 



4X2 SpallanZt 



