610 WORMS. TESTACEA. 88. Sabella. 
Utriculus. Shell folid, cylindrical, undulate. 
Kemmer Conch. Rudolf. p.7- tab. t. 
Inhabits in wood; about 7 inches long. 
Shell white, fubpellucid, very much bent, gradually tapering, 
with an oval aperture divided in the middle by a partition. 
Clava. Shell clavate at one end, the other incurved, narrower, ob- 
tufe and pertorated in the middle. 
Walch Naturf. 10. p. 38. tab. 1. fig. 9, 10. 
Spengler Naturf. 13. tab. 1. fig. 1—11. tab. 2. f: 12—14. 
Found in the feed-veflels of the Xy/offeum granatum: near z inches 
long, and not half a one wide: /4e/l rough, brownifh on the 
outfide, within fmooth, more or lefs flexuous. 
88. SABELLA. Animal a Nereis, with a 
ringent mouth and 2 thicker tentacula 
behind the head: fhed/ tubular, compofed 
of particles of fand, broken fhells and — 
vezetable fuftbances united to a mem- 
brane by a glutinous cement. 
Scrupofa. Shell folitary, loofe, fimple, curved, with lentiform glofly 
granulations. 
Inhabits Jxaia and American T/lands. Shell fubulate, obtufe at 
the tip, as thick as a fwan's quill, and compofed cf equal 
white grains of fand. 
Scabra. — Shell folitary, fixed by the bafe, imple, curved, with radi- 
ate-rough granulations. 
Inhabits America. AB. Petrop. 1766. tab. 9. fig. 1,2. 
* Alvectata With numerous parallel tubes communicating by an aper- 
ture forming in the mafs the appearance of honey- 
combs. 
Ellis Corals, p. go. tab. 356. Brit. Zool. iv. tab. 92, f. 162. 
Inhabits European Coafls, covering the rocks for a confiderable 
fpace, and ealily breaking under the feet. 
Shell compofed chiefly of fand and very fine fragments of fhells; 
the tubes ftraightifh, 2— 5 inches long. 
*Chrysodon Shell folitary, fubcylindrical, papyraceous, chiefly compofed 
of fragments of fhells. 
Berg. Ad, Stockh. 1765. tab. 9. fig. 1—3. 
Kein 
