712. WORMS, INFUSORIA. 108. Burfaria. 109. Gonium. 
Cyclidiume Qva], flightly emarginate behind, with an exfertile tail. 
Adams Microfc. p. 499. n. 141. 
In pure water: ody {mooth, membranaceous, pellucid, with a 
black margin: zz/effizes pellucid veficles. 
Tenax. Membranaceous, rather thick before, the tail 3 times as 
fhort as the body. 
Adams Microfe. p. 499. n. 142. 
In water in which the fordes of the teeth has been infufed : body 
: oval, pellucid, the fore-part truncate, the hind-part acute and 
ending in a fhort tail. 
.108. DURSARIA. Worm very imple, mem- 
branaceous, hollow. 
Truxcatella Ventricofe, truncate at the top. 
Adams Microfe. pe 491. m 119. 
* In marfhy water: Gedy white, oval, truncate at the top, with a 
large hollow defcending to the bafe, with fometimes 4 or § 
yellow eggs at the bottom. 
*liirundi- Oval, pointed at each end, with a fharp fin each fide. 
nella. Adams Microfe. p. 492. tab, 25. f-19. 
Donovan's Bit. Inf. tab. 5. f. 2. 
In ditch and marfhy water: a pe!lucid hollow membrame, mov- 
ing forwards like a bird in flight. 
*Dupllla. Elliptic, with the edges folded over leaving a narrow longi. 
tudinal cavity. 
Adams Microfc. p. 492. tab. 25. f. 18. : 
Found among duck-weed : without vifible inteftines. 
109. GONIUM. Worm very fimple, flat, an- 
gular, invifible to the naked eye. 
*Peétlorale. Quadrangular, pellucid, with 16 fphaerical molecules. 
Adams Microfc. p. 489- tab. 25. f 17. 
AG. Stockh. 1781. p. 21. Kl. Schr. 1, p. 35. f. 1— 5. 
Goexe ap. Bonnet Infectol. p. 375. tab. 4. f. 8. 
Schr. Beytr. Nat. 5. 107. tab. 4. f. 23—27.. 
In pure water: molecules oval, nearly equal in fize, fet in a qua- 
drangular membrane like diamonds in a ring, the lower ones a , 
« little larger than the rei. 
Pulvinatum. 
