6^6 WORMS. INFUSORIA. X05. Vorticella. 
* 0 percula- Compound, with naked oval florets and a branched ftem* 
ria. Jdamx Micro/c.p, 401 tab. 22 fig. 29. 
Baker Micogr. p. 351. tab, 13./^. 13, 14. 
Ledermuller Microjc. tab. 88, jig. W. ' 
Roef. Inf. 3. polyp. p. 6og. tab 98. fig. 5, 6. 
Inhabits ftagnant waters, in clulters branching out from a ftem. 
*Tuberofa. Stem dichotomous, with turbinate florets a or 3-tubercled. 
Baker Micogr. p. 3 50. tab. 1 3 . fig, 10.-13. 
Inhabits ftagnant waters; rigid, tubercles of the florets convex, 
radiate. 
Hians. Simple, lemon-fhaped, with a retortile ftem. 
Uriib. an, inf. p.\i-j.f, \. B. C. K./. 2. G. F. E./.I 3. B.F.C.H. 
Found in old infufions, and is one of the leaft of its tribe : florit^ 
gaping; peduncle thrice as long as the floret: tail 6 time* 
Ihorter than the bodj . 
Beilis. Simple, hemifphasrical, with a contraftile margin. 
Adams Micrcfc.'p, c^fsz. n. 349. 
Found in ftagnant ditch-water: body yellow, refembling the 
flower of a daify ; head fcarcely pellucid : margin cilatc, 
moving in rotatory manner : peduncle long, pellucid, bifid .^t 
the tip. 
*Vmlella- Simple, globular, with blackifli granulations and rigid ftem- 
ria, Adams Microfc. p, ^02. tab. zz, jg. 30. 
Baker Micogr. p. 348. tab. 1 3. f. 6, 7. 
Philof. TrartJ. 43. /. 1 71. tab. li.f. 5—7. 
Roef Inf. 3. polyp ^614. tab. too. 
Ledermuller Micrefe- tab 88. y. t. n. 
Inhabits ftagnant waters, on plants and other fubftances, rcfeif' 
bling a fpot of mould ; branches dichotomous : clujlers faftigiate* 
*Berlerina Simple, oval, with a branched rigid ftem and white gra- 
nulations. 
Adams Microfe. p, 406. Phil.TranfT p. 179. 
Roef Inf. 3. polyp. 613. tab qg. 
Ledermuller Microfe. tub. 88. y q. f. 
Found in frefh water: branches oi the clufters tranfparenr, when 
cluilered together appearing of a changeable violet colour. 
* 
Digitalis. Stem umbellate, with cylindrical half-c;ofed florets having 
a Angle longitudinal groove. 
Adams Microfe. p 406. tab. 22 y 31. 
Roef. InJ. 3. polyp, p, 607. tab. 98. y. 4. 
