222 WORMS. INFUSORIA. 83. Trichoda. 



786. V. limacina. Cylindrical, truncate, with 2 pairs of. 

 rotatory organs. 



Adams Microfc.p. 543. tab. vj.f. 60. 



In stagnant waters, about the mouths and feelers of testaceous 

 animals, transparent, invisible to the naked eye. 



787. V. distinct. Orbicular, with a ciliate margin and 

 a kind of convex handle on the hind part. 



Adams Microfc. p. 542... tab. 26./. 8-10. 



788. V. cincta. Trapeziform, blackish-green, opake. 



Adams Microfc.p. 539. tab. 27./. 30. 



In marfhes, invisible to the naked eye, fomctimes oval and apn ^ 

 pearing as if surrqunded with a tranfvcrfe keel in the middle, til- • 

 late, on all sides. 



789. V '. polymorpha. Of many forms, green, opake, 

 granulous. 



Adams Mkrafc. p. 539, tab. 27./. 33-35. 



Appears to the naked eye like a green point, mo/ving with great 

 agility, and perpetually changing into a variety of forms : body 

 gramilous. 



190. V. viricits. Cylindrical, uniform, green, ppake. 



Denov. Ins, t. 39./*. 3. Adams Micr. t. 27./. 31 . 



In fresh water, appearing to the naked eye like a green point, 

 moving circularly or in a straight direction, obtuse at both extre- 



EHtie.s... 



791. V. bursals Green,., with* a truncate, mouth and 

 central papillary projection. 



Adams Microfc. p. 537. tab 27./. 32. 



Irf salt water, round, prominent, filled with molecules. 



792. V. nigra. Tap-shaped, black. 



Donov. Ins. t. 26./. 3. Adams Microsc. t. 27/. 36. 37. . 



\n water which has stagnated on meadows f appearing to the 

 naked eye like a black speck: body conical, opake, obtuse at 

 one end, pointed at the other. 



8a. TRICHODA., 

 A. Hairy r. 



793. Tr. Comeia. >.Sj>haericaJ, hairy on the fore- part, with 

 an appendant globule or two behind. 



Donovan Ins. t. 26./. 1,. Adams Micr. t- 25. /. 46. 47. 



In pure water: a pellucid globule with bright molecules, and 

 furnished with an appendant lesser globule or two behind. 



194. Tv.granata^ Sphaerical, with an opake centre, 

 hairy round the periphery, 



Adams Micr. p. 507. tab. 25./. 48. 



In ftagnant waters: an opake globule, with a' pellucid margin 

 surrounded with shout hairs. 



795. Tr. Sol. Globular, every where radiate with short 

 hairs. 



Adams Microfc. t. 25./. 65, 66. Nat. Misc. t. 453. 



In water which has been kept some time: body round, crystalline, 

 dilatable and contractile, full, of molecules, and beset with nume- 

 rous divergent rays of hairs longer than the diameter of the 

 body; 



■796Tr. Bomba. Changeable, pellucid, yellowish, with-a 

 Tew dispersed hairs on the fore-part- 



Adams Micr. p. 509. tab. 25./, 67, 68. 



