608 
Cancellata. 
Stellaris. 
Giganted. 
Cinerca. 
*Sulcata. 
*Ovalis. 
* Reflexa, 
* Cornea 
WORMS. TESTACEA. 86. Serpula. 
Shell fpiralj glomerate, with 3 grooves, the lower groove 
interrupted by traníverfe ribs. 
O. Fabr. fn. Groenl. 9. 383. 2. 379. : 
Inhabits Greenland fea: ; refembles S. granulata. | 
Shell white, grey or greenifh: aperture 2-toothed. 
Shell fuborbicular; umbilicate, convex, radiate with 
wrinkles. 
O. Faér. fn. Groenl, p. 383. n. 380. 
Inhabits Greenland feas, on Sertulariaf and ftones. 
Sell not larger than a needle, violet, reddifh-brown or yellowifh 
radiate with white, beneath flat; with a fingle whorl or bend: 
aperture very minute. 
, > 
Shell fomewhat triangular and a little flexuous, gradually 
tapering, violet, within fmooth, pale yellow: aperture 
white, with undulate {trie and armed with a conic 
tooth. 
Pallas Mifcell. Zool, tab. g. f. 2——10. 
Seba Muf. t. tab. 29. f. 1,2. M" 
Inhabits Africa and America, fixed to rocks and corals. 
Shell half a foot high and as thick as the little finger: inhabitant 
whitifh. 
Shell filiform, glabrous, conglomerate, perforated. 
Fork. fn. Arab. p. 128. n. 27. 
Inhabits fhores of Ma/filia;. refembles S. intricata, but is glab- 
rous, greyifh-white and flexuous. 
Shell with 2 whorls, deeply and fpirally grooved, 
Adams. Tranf. Linn, fac, iit. 5. 254. 
Inhabits the ceaft of Pembroke/bire, on the roots of the Fucus 
digitatus : /bell greenifh; minute. 
Shell fuboval, imperforated. 
Adams. Tranf. Linn. foc. v. pe 4. tab, 1. f. 28—230. 
Found at Zendy. Shell with 2 bends forming an oval, and never 
perforated: minute. 
Shell regular, rounded, with a reflected margin at the a- 
perture. 
Adams. Tranf. Linn. foc. v. p. 4. tabs Y. fr 315 326 4 
Found on the Pembrokefoire fands; minute: bell gloffy, white, 
perforated : aperture above the plane of the fpire. 
Shell regular, rounded, pellucid, with 3 whorls: 
Adams. Tranf Linn. foc. v. p. S. tab. 1. fe 3335+ 
On the Pembrote/rire coat. — Brownifh, horny. 
Bicornis, 
