WORMS. INFUSORIA. 107. Cercaria. 7II 
*Turbe Globular, contracted in the middle, with a fetaceous tail. 
Adams Microft, p 494. tab. 25. fig. 30. 
Body pellucid, partly oval, partly iphaerical, appearing compofed 
of 2 unequal globular bodies: sail fometimes ftraight, fome- 
times reflected, 
*Podura. Cylindrical, taper, pointed and flightly cleft behind. 
Adams Microfc. p.494. tab. 25. fig. 36, 37. 
In marfhy places: pellucid, with black molecules on the trunk : 
head rounded, with a contraction a little below it. 
© Mutabilis Changeable, cylindrical, red or green, with a pointed 
flightly bifid tail. 
Shaw Natur, Mifcell. tab. 107. 
Found in ftagnant pools in fuch innumerable myriads as to cover 
the whole furface with a fheet of green or red, giving it fome- 
times the appearance of being tinged with blood; varies its 
poíture from a long cylindrical body larger in the middle to 4 
nearly globular one : the extremities are pellucid. 
Catélluse Body 3-parted, with a forked tail. 
Adams Microfe. p. 496. 2.134. 
In water where flowers have been kept: Sead moveable, affixed to 
the body bya point: abdomen not fo wide, but twice as long 
as the head, and filled with inteftines: ta// fhorter than the 
head and narrower than the abdomen, ending in 2 briftles 
which it can unite and feparate at pleafure. 
*Zupuss Cylindrical, thick, elongated, the tail ending in 2 fpines, 
Adams Microft, p. 497. tab. 25. fig. 39. 
In.ftagnant waters: ead truncate, divided from the body by a 
contraction: ¢a7/ much narrower than the body and ending in 
2 bright moveable fpines. 
*Vermicue Cylindrical, annulate, with an exfertile probofcis and fork- 
laris, ed tail. 
Adams Microyc. p. 497. tab. 25. fig. 40. 
In ftagnant water: £o4y divided into 8 or 9 annulations, tapering 
towards the tail, the tip either obtule or lunate. 
Pleuronectes Orbicular, the tail confifting of one briflle. 
Adams Microyc. p. 498. 1. Y39. 
In water which has been long kept: in the fore-part are 2 black- 
th peints, and orbiculat inteftines in the middle. 
. *Tzipug. Nearly triangular, with a pointed reflected arm each fide 
and ftraight tail. n 
Adams Microft. p. 498. tab. 25. f. 38. 
In falt water: Zody Hat, peilucid. Cycliezums. 
