WORMS. INFUSORIA. 105. Vorticella. yor 
In ftagnantvvaters, and appears to the nahed eye like a yellovvifli 
dot, and in rain water that has Hood iome time in gutters and 
cifterns: it very frequently changes its form and motion, from 
a long taper body to a (hort f road flat one : the rotatory organs 
turn like wheels with confider.ible vclocit} : tail compofed of 
about 5 retractile joints and terminated by 4 minute hooks. 
*laanala~ Inveifely conic, with the aperture lobed, and tail furnifhed 
fc. with 2 fmall bridles. 
^darm Mtcrojc- f. . tah.t'J-f 4 ?* 
In pure water; pellucid, cylindrical, with molecular inteftines; 
moves with velocity in an oblique dire£lion. 
^osculata, Inverfely conic, witli a lunate aperture: trunk a-toothed 
behind, with a long 2-leaveii tail. 
Adams Mkroje. f, iah. 42,43. 
C. Without tail or Jiem. 
* Ampulla. Contained in a bottle-lhaped pellucid bag: head divided 
into 2 lobes. 
Adams Miersfe p. 344 tab. 26 / 4, 5. 
Bag in the (hape ol a common water-bottle, in which the ani- 
malcule is placed, fometimes at the bottom, fometimes nearly 
filling it. 
^Crataga. Subglobular, cludered and fometimes united by a very mi- 
'■m. nute dem or tail. 
Adams Microfc, p. 400. tab. ZZ, f. 40. 
Baker Micogr, p. ^It-tab. • 3 */- 5 * ' 
Roef.lnf. 3. polyp- p. 604. lab.^%.f. 2. aa. 3. 
Le.lermulier Mkroje, tab. 88. y"! o, p. 
Found in muO and about the Monoculus quadricornis in the 
month of April, generally he.ped together in a ipharical form 
and often united to a common Italk. 
^nktilata. Dilated, pellucid, with an incidon in the fide. 
Adams lAicrok /. 544. a- 3‘0 
In infufions of ditch-water, and appears to the naked eye as a 
white point: gregarious, pciiucid, \\ ith cark imclluics. 
^^afutai Cylindrical, with a projefling point in the middle of the cup. 
iJotio^an s h»gl tnj tab. 29 /. z. 
Adams Microfc p 541- tetb 27./ 38, 39. 
In fta^nant water : inviftbie to Uie naked eye, pellucid, changing 
its form perpetually^, quick in motion; and having the rota- 
tory organ lurroui.ding the middle of the body. 
•Cra- 
