WORMS. TESTACEA. 54- Lcpas- 



lH 



Gigas. 



Shell 8-valved ? thick, convex, tvhite : the firft valve cre- 

 nate, the laft toothed, the middle r ones emarginate. 

 Chemn. conch. 8. tab 96, fg. ^19* 

 Chemn chiton tab, 2, fig- IO. 



Inhabits the Cape of Good Hope*, above 4 inches long : tj>e boxr 

 der tumid, coriaceous and black-^rown. 



Umduuu Shell 8-valved ? ft bcylindrical, very finely punctured, and 

 black with a cinereous border- 

 Inhabits . . . Uhrcet. Einl. in conch, 3. p. 509, n. I g. 

 Shell very minute and fiarrow at each end. 



*Margina- Shell 8-valved, fmpoth, with a ferrate reflected margin. 

 tus'i Inhabits Britain* Perm. Brit, Z^ool. iv. tab. 36, fig. 2. 



*Ln'i*> Shell 8-valved, quite fmooth, with an elevated band dowrj 

 the back. 

 Inhabits Britain, Brit, Zool. iv, tab, 36, f, 3. 



Amicttlatm, Shell 8-valved, kidney-fhaped, and very fragile, and co- 

 vered outwardly with a rough coriaceous membrane. 

 Pall. nov. Aft, Petrop, z. p. 241. tab. 7, fig. 26 — 30. 

 Inhabits the Kunle Iflands ; above 6 inches long : the valves im- 

 bricate. 



54. LEPAS. Animal a Triton : JJiell affixed 

 at the bafe, and confifting ot many unr 

 equal ere£t valves. Acorn-JlielL 



*§alanus* Shell conic, grooved: operculum or lid (harp-pointed. 



Donovan's Britijh Shells, i. tab. %0*f. I. 

 Pennant Brit. Zool. iv. p. 72. tab. 37, f. 4. 

 Ellis Philof.lranf. 1758, 2. tab. 34,/*. 17. 

 LiUer conch, tab. 443./. 286. Bar but, t. l,f. £. 

 5or« Mk/. Crf/. Vind. tefl. tab. I, /. 4. 

 Leuivenh. ap. 82. /. 472. /*£.. 465. 

 Chemn. conch. 8. tab. ^, fig. 8zo. 



2. Chemn. conch. 8, ta£. <)7>ftg, 826. 



3, Bonan. Muf Kirch \ 1 . //£. 35. 



Inhabits European and Mediterranean fea?, adhering in the great- 

 eft abundance to rocks, Ihells, &c. generally whitifh j with 

 about 6 outer valves, 3 of which are elevated and ftriate, and 

 3 excavated and fmoother : the pieces compofing the lie! are 

 finely crenate with tranfverfe wrinkles, 2 leiler, and 2 larger 

 and pointed. 



^Balamidest, 



