WORMS. TESTACEA. 88. Sabella. 613 
Schreet. flufeonch. tab. 11. fg. D. 7. 
Inhabits Z2urizgia: about an inch long. 
Shell fometimes conic, fometimes cylindrical. 
Me pia- Shell black, the open end cylindrical and narrower, the 
other part turgid and ovate. 
Schroet. Einl. in conc. 2. tab. 6. fig.21. 
Inhabits above 2 inches long, compofed of particles of black 
fand ; within Ímooth, 
Norwegica, Shell roundifh, open at both ends, brittle, membranaceous, 
compofed of very minute grains of fand. 
Schroet. Einl. in couch. 2. 9. $91. 2. 20. 
Inhabits Noraway : above 4 inches long, and about the thicknefs 
of a crow’ squil. — 
Lumbricalis Shell coarfe, creeping, fragile, open at both ends: the in- 
habitant not furnifhed with tentacula at the mouth, 
with a prickly jointed ey 
O. Fabr. fn. Groenl. p. 374. n. 369 9. 
Inhabits the deeps of the Greenland feas, fixed to ftones. 
Shell grey, compofed of particles of fand cemented to a fomewhat 
convex membrane, within lubricous, polifhed : inhabitant ru. 
fous annulate with white, beneath paler, with 21 joints, each 
armed on the back with 2 fpines, and 2 other terminal ones 
which are unarmed. 
Indira. ^ Shell cylindrical, compofed of capillary fubcylindrical ag- 
X glutinated cryftals of quartz. 
Abildg. Schr. Berl. Naturf. 9. p. 144+ tab. 4, 
Inhabits the Indian Ocean, 
