222 WORMS. INFUSORIA. 83. Trichotte. 



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

 rotatory organs. 



. 



Adams Microfc. p. 543. tab. 27. /. 60. 



In stagnant waters, about the mouths and feelers of testaceous 

 animals, transparent, invisible to the naked eye. 



787. V. ilisrina. Orbicular, with a ciliatc margin and 

 a kind of convex handle on the hind part. 



Adams Microfc, p. 542. tab. 26. f. 8-10. 



788. V. cincla: Trapexiform, blackish-green, opake. 



Adams Microfc, p. 539. tab. l".f. 30. 



In marfhes, invisible to the" naked eye, fofnetimes oval and ap- 

 pearing as if surrounded with a tranfverfc keel in the middle, cil- 

 late on all sides. 



7.89. V. polymorpha. Of many forms, green, opake, 

 granuious-. 



Adams Micrafc. p. 539. tab. 27. /. 33-35. 



Appears to the naked eye like a green point, moving with great, 

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

 granulous. 



790. V.viridis. Cylindrical, uniform, green, opake. 



Donov. his. t. 39. /. 3. Adams Alter. I. 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- 

 mities. 



791. V. bursata. Green, with a truncate ; mouth and 

 central papillary projection. 



Adams Microfc. p. 537. tab zj.f. 32. 



In saltwater, round, prominent, filled with molecules. 



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



. l)oov. Ins, t. so./. 3. Adams Microsc. t. a;/. 36. 37. 



In water which has stagnated on meadows, appearing to the 

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

 one end, pointed at the other. 



83. TRICHODA. 

 A. Hairy. 



793. Tr. Cometa. Sphasrical, hairy on the fore-part, with 

 <-;n appendant globule or two behind. 



Donovan Inj. t. 26. /. i. Adams Micr. t- 25. /. 46. 47. 



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

 furnished with an appe-ndant lesser globule or two behind. 



7^1. Tr. granata. Sphaerical, with an opake centre, 

 hairy round the periphery. 



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



In ftagnanf waters: an opake globule, with a pellucid margin 

 surrounded with short hairs. 



795. Tr. Sol. Globular* ev.ery where radiate with short 

 hairs. 



Adams Microfc. t. 25. /. 6,5. 66. Nat. Misc. t. 4,53, 



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

 dilatable and contra'ctile, full, of molecules, and best: t with nume- 

 rous "divergent rays of hairs longer than the diameter of the 

 body. 



796Tr. Bamla.. Changeable, pellucid, yellowish, with a 

 few dispersed hairs on ihe fore- part. 



Adiimj Micr.jt, .509. tab. 2.3. /, 67, 68. 



