WORMS, TESTACEA; 69. Pinna. 30.1 
AdanU W;?. 'ic.-fig- ?• Gualt. test, tab, ’j(). p. 
Ginann. Adr 1 . tab. 2;. fig. 166. 
Chemn conch. 8. tah. 88. fig. 773 ' 
2. Rurnffi. Muf. tab. if. fig. iJ- Gualt.ie/l. tab, 8l. A, 
Petiv. And', aq. tab, ig fig. 6. 
Qhemn. conch. 8. tab, 88. fig. 774* 
Inhabits the American and Aiiantic Oceans t — 16 inches long, 
4! — 8 broaa ; fliell red, with 6-8 grooves, z) Inhabits the 
Indian, and Red Seas; black with hardly vifible grooves, 
■' Shell longitudinally flriate half-way ; one fide flightly wrin- 
kled tranfverfely. 
■ Gualt.tefi. tab 79- A. Argenni. Zoom.tcqb, J.N? 
Chemn. conch. 8. tab. 87. fig. 77 °* 
7 . Chemn. conch, 8. tab, 87. fig. Ifft. 
Inhibits the Iqidlan Ocean; 3 inches long and 4 broad : IhelJ 
triangular, horny. 2) 4I; inches long, Zj broad: lefs, thin^ 
ner and piore rare. 
Shell ftriate, with caniculo-tiihular fubjmbricate fcales. 
Boiian recr. i fg- 24- b/lf' Kirch. Z- fig. 26. 
Gualt, teft. tab, 78. B. Seba bflf, q^-tab, 91. fig. 3. 
Knorr delic, nat tab. B. 't.fiig- 3* 
dCnorr Vergti, 2. tab 26, fi. I, Lister , tab, 373 * 
Chemn. conch, 8. tab, 89. fig. 775> 77^- 
I ifter, tab, 372. Chemn. conch. 8. /, 89./. 777. 
3 " Knorr Vergn. 2. tab. 26. fig. 2. * 
Chemn. conch, 8. tab, gz. fig. 765' 
4 * Argennj, conch, tah. 22. fig. F. 
Chemn. Conch. 8. tab, 86. fig- 7 ^ 9 * 
Inh ibits the Mediterranean, Adriatic and American feas ; inches 
long, 3^ broad ; Jhell brown, the cjjterior margin rounded ; 
fcales larger towards the edges and nearly f an inch long ,• 
one hah' of the valves ribbed, the other with tranfverfe wrin- 
kles, which towards the broader part are crolTed with ftriat. 
Shell ftriate, yvith Concave ovate acute fcales. 
Pono'vans Brit. Jheilt, i. tab. 10. 
P. fragilis. Pennant Brit. Z,ool. iv. tab. 97, J, 80, 
Ba cofia Brit, conch, tab, 16. f' 3. 
Barbut, tab. \ z, fi 2. Rumpfi. Mufi. tab. 46. M. 
Petiai. Amb. tab. 10, f. 7. Gualt. ted. t, 79, F. 
Lifier conch, tab. 370? 37’- 
Chemn. conch. 8. tab. 90. fig. 779 ' 
Rchrat. einl. in conch. 'i. tab.g, f.l'J.- 
Inhabits European and Indian feas : 3 — g inches long and i — 3 
broad: Jhell dnin, brittle, pellucid, horny ; the outfide witti 
longitudin?! ribs rough with rows of fmall prickles, 
Retundata 
