700 WORMS. INFUSORIA. ros. Vorticella, 
Auriculata. Naked, with a fmali briftle at the tail, 
Mull, Ferm. 1. PIT. a. 119. 
In frefh waters: peilucid, cylindrical, à aperture dilated into a 
fall ear each fide, the middle divifion nearly triangular, 
* Furcata. C ylindrical, with a fimple aperture and fimple bifid tail, 
Adams Microje. p. 556 2. 324. 
In common water; tai! divided into 2 parts, which unite when 
at reit, 
Senta. Mouth fpinous, tail cleft at the tip, 
Mull. Verm. V. p. 109, n. 1317. 
In fhaliow ftreams: pellucid, varioufly vaa truncate for- 
wards, with a fingle rotatory organ and yellowifh inte(tine. 
*Catulus, Cylindrica!, with a plain aperture and reflected bifid tail. 
Adams Microfc. p. 325. tab. 27. fe 50. 
Foblot Microfc. 1. 2. tab. 13. fig. X 
In marfhy waters: thick, Aas art varioufly folded: bead con- 
nected by a fhort neck: rai/ fhort ending in 2 {mall briftles, 
and exferted or concealed at pleafure. 
Felis. . Cylindrical, with an unarmed mouth, the tail ending in 2 
» long fpines. 
Adams “Microfe. 1:550. 25327. 
In frefh waters: body thick: tail acute, with 2 pellucid fpines 
alternately receding and approaching. 
Vermiculas Cylindrical, annulate, with an exfertile probofcis, 
ris. -  Fablot Micreje. Y. p. 80. tab, 11. fig A—Z. 
In frefh waters: ody elongated, fefhy, chan geable, with about 8 
or 9 wrinkles, the tip obtufe or ending in z fpines; — ?robojcis 
jointed, bifid: taz/ ending 1n 2 pellucid Ípines. 
* Macroura With a double rotatory organ, and flender tail ending in a 
triple fpine. 
Baker Mijcegr. p 380. tab, 12. fig. 1s 
Hermann, Naturf. 19. p 57+ tab, 2. fig. 2 
In marihy waters: refembles V. dios ;but is entirely hyaline, 
* Rotasaria, Cylindrical, with a double rotatory organ and long tail fur. 
nithed with 4 points, 
Adams Mier. p. 548. t. 20. f. 31—3. 6. 7.11—25: f. 27. PERE 
Hill Hist. Anim. tab.1, 2. 
Baker Micrife p 343. tab. 3M. fig, I-14, 
Baker micr i P 95: tab. 6—8. 
Toblot Microfe. 2, $. GO. tab. 5. f. AE, K. 
