WORMS. TESTACEA. 69. Pinna. 301 



Adctnf* Seneg. I. tab. l$.fig. ?. Gualf. test, tab. 7$. C, 



Ginann. Adr . 2. tab* 2$. fig 166. , 



Chsmn. conch S. tab. SS.fig. 773. 

 2. #wot£/: M»/", tab. 46. fig. l|. G«tf&. /*/?♦ /*£. 8l> A. 



Peti<v. 4mb. aq. tab. 1 9 /^. 6, * 



Cbe?nn» conch. 8. /«£, 88. _/}£. 774» 



Inhabits the American and Atlantic Oceans: 12 — 16 inches long, 

 4! — 8 broad : (hell red, with 6--8 grooves. 2) Inhabits the 

 Indian and Rea Seas : black with hardly vifible grooves. 



feclinata. Sh e n longitudinally ftriate half-way ; one fide flightly wrin- 

 kled tranfverfely. 

 Gualt. te/L tab. 79« A. Argerm. Zoom. tab. 5. N? 

 Chemn. conch, 8. tab. 87. fig. J JO. 

 2. Chemn. conch. 8- tab % 87. fig 771. 



Inhabits the Indian Ocean-, 3 inches long and 4 broad : fhell 

 triangular, horny. 2) \\ inches long, z\ broad: lefs, thin- 

 ner and more raie. 



ftoiilis. Shell ftriate, with caniculo-tubular fubimbricate fcales, 

 Bonan recr. 2. fig. 24. Muf. Kirch. 2, fig. 26. 

 Gualt. teft. tab, jS. B. Seba Mu/ t 3. tab. 91, /g. 3. 

 Knorr delic. nat tab. B. y. fig. 3. 

 Knorr Vergn. 2, /#^ 26, /*. 1. Lister y tab. 373. 

 Chemn. conch, 8 ? /«£, Sg.fig. 775, 776* 

 2. Lifter* tab. 372. Chemn. conch. 8. /. 89./". 777. 

 3* Knorr Vergn- 2. /«£. 26. y>g. 2. 



Chemn. conch, 8. /££. 92. Tig. 7*85, 

 4» Argenv. conch, tab. 22. /?g. F. 



Chemn. conch. 8 ? /<»£. il^r. /%•. 769, £*]! 



Inhabits the Mediterranean, Adriatic and l American Teas ; 7J inches 

 long, 3^ broad : Jfiell brown, the exterior margin rounded * 

 fcales larger towards the edges and nearly \ an inch longr 

 one half of the valves ribbed, the other with tranfverfe wrin- 

 kles, which towards the broader part are crofled with flrise. 



fMuricata* Shell ftriatej with concave ovate acute fcales. 



Dono'vans Brit.Jhel/s } i. tab. 10* 



P. fragilis. Pennant Brit. Zool.iy. tab. 97,/. 80. 



Da coftaBrit. conch, tab. 16. /• 3. 



Barbut, tab. 1 2, /, 2. Rumjf. Muf. tab. 46. M. 



Peti-v. Amb. tab. 10./. 7. G««//. /*#. r. 79, F. y- 



Lifter conch, tab. 370? 371? 



Chemn. conch. 8. tab. go. fig. 7 jg. 



Schrat. einl. in conch. 3. ta£, 9, ^. 1 7* 



Inhabits European and Indian feas : 3 — 9 inches long and 1—3 

 broad: JJiell thin, brittle, pellucid, horny ; the outfide wita 

 longitudinal ribs rough with rows of fmall prickles. 



! x Rotundata. 



