702 WORMS. INFUSORIA. ros: Vorticella. 
*Crateri- Nearly fquare, with ciliate tufts behind. 
Sormis. Adams Microfe. p. $43. tub. 27. f. 40,41. Hill, t. 1. f. 2. 
: Common in infufions of grafs: very vivacious and pellucid, 
with the internal molecules eafily feen, round, longer than it 
is broad, with convex fides, 
*Trunca- Cylindrical, with the tip truncate, and fhort crowded fringe. 
tella. Hil Hist. Anim. p.6. tab. 1. 
In ftagnant water: hyaline with vifible black molecules, round. 
ed behind; fkin perfectly fmocth and colourlefs, 
*Limacina, Cylindrical, truncate, with 2 pair of rotatory organs. 
Adams Microfe. p. 643. tab. 27. f. 60. 
In ftagnant waters, about the mouths and feelers of teftaceous 
animals; hyaline, not vifible to the naked eyes 
*Difine. Orsbicular, with a ciliate margin and a kind of convex han- 
dle on the hind-part. 
Adams Microfe. p. 542. tab. 26. f. 8--10, * 
Corzuta. — Inverfely conic, green, opake. 
Mull. Verm. 1. p.99. n. 100, 
In maríhes; thick, of a changeable form and moves obliquely. 
*Cinfa. Trapeziform, blackifh-green, opake. 
Adams Microft. p. 536. 145. 27. f. 30. 
In marfhes: of an irregular fhape, fometimes oval and appearing 
as if furrounded with. a traníverfe keel in the middle, invifible 
so the naked eye and ciliate on all fides, 
*Polymor- Many-thaped, green, opake. 
pha. Adams Microfe. p. $39. tab. 27. f. 33—35- 
| ' Befch. Berl. Naturf. 2. 5.20. tab. 1. 
Appears to the naked eye like a green point moving with great 
agility, and perpetually changes itfelf into a variety of forms; 
body granulous, 
*Viridis. Cylindrical, uniform, green, opake. 
Adams Microfe. p. $36. tab: 27. fi 31. 
Donovan's Engl. Inf: tab. 29. f. 5. 
In frefh water, appearing to the naked eye a mere green point: 
Jody obtufe at the extremities ; moves circularly or in a ftraight 
direction. | 
&Dur/atas Green, with a truncate mouth & central papillary projection. 
Adams Microfe, pe 537. tab. 27. f. 32. 
In falt water: round, prominent, filled with molecules, 
* Nigra. 
