WORMS; TESTACEA. 56. Serpula. 607 



Adanffeneg- \.p. 166. tab. 11. fig. 6. 



Inhabits Africa : 8 — 9 inches long. 



^//whitifh, Angularly twitted, fubumbilicate, within glabrous. 



Jnfundibu- Shell round, white, tranfverfely ftriate ami thrice twitted, 

 /um. the firft bend appearing as if compofed of 5 funnels 



placed in each other. 

 Martini Befch. Serl. Naturf 2. tab. 12. %. I. 

 Inhabits the Indian Ocean, fixed to ftones. 



Pyramida- Shell cinereous, above convex, beneath flat, pyramidal and 

 A Sm many times twifted, the bends decreafing inwardly. 



Spengler Befch. Naturf 2. tab. 9, A. fig. 3—5. 

 Sj>engler Catal. raifi tab. 5. fig. 12 — 17. 



Inhabits the Indian fea, adhering to teilaceous fubftances, about 

 an inch long ; open at the narrower end, fometimes flraightim 

 or a little bent. 



Denticulata Shell white, round, fubulate, flraight, toothed at the fides, 

 with a longitudinal glabrous rib in the middle; the tip 

 a little incurved, glabrous. 



Schrast. Einl. in conch. 2. tab. 6.f 18. 



Found in the Lepas tintinnabalum: % of an inch long. 



Melitenjis, Shell roundiih, twifted, urnbilicate, with decuifate ftriaf. 

 and longitudinal nodulous ribs, within fmooth with 

 numerous divifions. 

 Schroet. Einl. in conch. 2. fab. 6. f 1 9. 

 Found fofftle in Malta. The 2 rirft bends placed on each other. 



forwegica. Shell round, fmooth, incurved, with a nearly obfolete un- 

 dulate bafe: mouth obliquely truncate. 

 Inhabits Norway. Aft* Nidr. 4. tab. z.f 1 1 — 13. 



Porrefia. Shell round, fmooth, polifhed, afcending in a flexuous 

 manner from the fpiral bafe. 

 Inhabits North feas. Mull. Zool. Dan. prodr y 2860. 

 Shell refembling S. fpirilius, but is whiter, pellucid and not 

 rugged : inhabitant fhort, with a red back and pale? fides. 



Vitrea. Shell round, regular, fpiral, orbicular, pellucid, mining, 

 wrinkled, with a thickened aperture. 



O. Fabr. fn. Groenl. p t 382. n. 378. 



Inhabits Greenland feas, on Sertularis, Fuci, ftones and other 

 marine fubftances ; refembles S. glomerata : Jhell thick, urnbi- 

 licate, not a line in diameter, fometimes reddifh, 



Cancellata'. 



