6o8 



WORMS. TESTACEA. 86. Serpula. 



Cancellata. Shell fpiral, glomerate, with 3 grooves, the lower groove 

 interrupted by tranfverfe ribs. 

 O. Fabr.fn. Groenl. />, 383. ». 379. 

 Inhabits Greenland fas ; refembles S. granulata. 

 Shell white, grey or greenifh : afertvte 2-toothed. 



Stellaris. Shell fuborbicular, umbilicate, convex, radiate with 



wrinkles. 

 O. Fabr.fn. Groenl. p. 383. n. 380. 

 Inhabits Greenland jeas, on Sertulariae and ftones. 

 Shell not larger than a needle, violet, reddifh-brownor yeliowifri 



radiate with white, beneath flat, with a (ingle whorl or bend : 



aperture very minute. 



Gigantta. Shell fomewhat triangular and a little flexuous, gradually 

 tapering, violet, within fmooth, pale yellow: aperture 

 white, with undulate ftrias and armed with a conic 

 tooth. 



Pallas Mi/cell. Zcol. tab. g.f. 2—10. 



Seba Muf. 1 . tab. 29. f. 1,2. 



Inhabits Africa and America, fixed to rocks and corals. 



Shell halt" a foot high and a* thick as the little finger : inhabitant 

 whitifh. 



Cinerea. Shell filiform, glabrous^ conglomerate; perforated. 

 Forfi. fn. Arab, p. I 28. n. zj. 



Inhabits ihores of MaJJilia ; refembles S. intricata, but is glab- 

 rous, greyilh-white and flexuous. 



*Su!;ata. Shell with 2 whorls, deeply and fpirally grooved. 

 Adams. Tranf. Linn* foe. \\\.. p. 254, 



Inhabits the coall of Pembroke/hire, on the roots of the Fucu* 

 digitatus : Jhell greenifti, minute. 



•0W/>. Shell fuboval, imperforated. 



Adams. Tranf Linn. foe. V. />. 4. tab, I. f. 28 — 30. 

 Found at lenby. Shell with 2 bends forming an oval, and never 

 perforated : minute. 



•Refexa. Shell regular, rounded, with a reflected margin at the a- 

 perture. 

 Adams. Tranf Linn. foe. v. p. 4. tab. 1 ./, 31, 32. 

 Found on the Pembroke/hire fands ; minute : Jhell glolTy, wnite, 

 perforated : aperture above the plane of the fpire. 



• Cornea* Shell regular, rounded, pellucid, with 3 whorls. 

 Adam*. Tranf Linn. foe. v. p. 5. tab. i~.fi 33- — 35* 



On the Pembroke/hire coaft. Brownifla, horny. 



Biecrnis 



