696 WORMS. INFUSORIA. 105. Vorticella. 



•Opercula- Compound, with naked oval florets and a branched ftem. 

 ria, Adams Micro fc. p. 401. tab. 22. fig. 29. 



Baker Micogr. p. 351. tab. 13, fig. 13, 14. 



Ledermuller Microfc. tab. 2$. Jig. W. 



.#0*/". Inf ^. polyp, p. tog. tab 98. /fg-. 5,6. 



Inhabits ftagnant waters, in clutters branching out from a ftem, 



*Tuberofa. Stem dichotomous, with turbinate florets 2 or 3-tubercled. 

 Baker Micogr. p. '350. tab. 1 %.fig* 10--1 3. 



Inhabits ftagnant waters ; rigid, tubercles of the florets conveS, 

 radiate* 



Hians, Simple* lemon-fhaped, with a retortile Item. 



Urisb. an, /«/. /.417./. 1 . B C. K.J. 2. G. F. E./.i 3. B.F.C.H. 



Found in old infufions, and is one of the leaft of its tribe : florets 

 gaping: peduncle thrice as long as the floret: tail 6 time's 

 (hotter than the bod). 



¥ 



Bellis. Simple, hemifphcerical, with a contractile margin. 



Adams Microfc. p % 562. n. 349. 



Found in ftagnant ditch-water: body yellow, refembling the 

 flower of a daify: bead fcarcely pellucid: margin cilate, 

 moving in rotatory manner : peduncle long, pellucid, bifid at 

 the tip. 



*Umhlla- Simple, globular, with blackim granulations and rigid flem. 

 ria. Adams Microfc- p. 402. tab. 22. fig. 30. 



Baker Micogr. p. 348. tab. 13./. 6, 7. 

 PhilofTranj. 43.^. 171. tab.w.f. C--7. 

 Roef Inf. 3. polyp p 614. tab. 100. 

 Ledermuller Microfc- tab. %8.f. t. n. 



Inhabits ftagnant waters, on plants and other fubftances, refem- 

 1 bling a fpot of mould : branches dichotomous ; clufisrs faftigiate. 



*Berberina Simple, oval, with a branched rigid Mem and white gra~ 

 nulations. 

 Adams Microfc. p, 4C6. PhiL Tranf. 43. p. 179. 

 Roef Inf. 3. polyp. .613. tab 99. 

 Ledermuller Microfc. tab. 88. f. q. f. 



Found in frefh water: branches of the cluftcrs tfanfparent, when 

 cluttered together appearing of a changeable violet colour. 



Digitalis. ' Stem umbellate, with cylindrical half-clofed florets having 

 a fingle longitudinal groove. 

 Adams Microfc. p. 406, tab* ZZ f. 31. 

 Roef. Inf. 3. polyp* p t 607. tab. 98./. 4. 



In 



