WORMS ZCOPHYTA. 103. Hydra. 6 9 r 



Inhabits South Carolina: body expanded, kidncy-fhaped, &V, 

 rifing from a fhort round ftcm, and covered on the upper 

 furface with numerous tubular orifices, through which the 

 polypes are protruded at pleafure ; the upper furface rich pur- 



t 



le, the under fide Jefs brilliant and fometimes yellovvifh. 



103, HYDRA. Animal fixing itfelf by the 

 bale, linear, gelatinous, naked, contrac- 

 tile and fuiTiilhed with fetaceous tenta- 

 cula or feelers, inhabiting* freih waters, 

 and producing its deciduous offspring or 

 eggs from the fides,. Polype. 



Gelathofa* Minute, gelatinous, milk-white, cylindrical, with 12 ter.~ 

 tacula fhorter than the bodv. 

 Mull. Zocl. Dan. 3. p. 25. tab. 95 . f. I, 2. L 

 Inhabits Denmark) in clufters on the under fide of Fuci. 



*flridir. With about 10 tentacula fhorter than the body. 



Adams $5" Kjenm. Microfc. p. 364 tab. 2 I ./. 5. 



Trembley Polyp. 1. p. 22. tab. i.f. I. 



Ledermullsr Microfc. tab. 67, f. e, f„ 



Roe/. Inf. 3. Polyp, p. 531. tab. 38, 89. 



Inhabits ftagnant waters and flow ftreams of Europe* generally on 

 the under furface of plants, and appears like a little tranfparent 

 green jelly when contracted and quiefcent ; when expanded it 

 is a linear body, fixed at one end, and furrounded at the other 

 by tentacula or arms placed in a circle round the mouth, and 

 gradually producing its young from, the fides, which at firir, 

 feem fmall papillae, increafing in length, till they aflume the 

 form of the parent, and then dropping off. Like all its tribe, 

 it has the power of reproducing parts which have been de- 

 ftroyed, and if cut or divided in any direction, each feparate 

 part becomes a perfect Polype: tentacula 8 — 10* 



*Fufca. With about 8 tentacula, many times longer than the body. 



Adams 1$ Ktsnm. Microfc. p. 363. tab. 2 l.f. 7,8. 



Ellis Cor all. tab. 28. C. Schazff. Polyp, tab. $.f, I. 



Trembley Polyp, l.p. 22. tab. 1. f. 3, 4. 



Roe/'. Inj. 3. polyp* p. 505. tab. 84 — 87. 



Inhabits freih. waters of Europe ; grey-brown, a little taper to- 

 wards the bale, with about 8 very fine fetaceous tentacula or 

 arms. 



4 S 2 *Grifea* 



