PLATE CXXXVIL 



OSTREA JACOB^A. 



PILGRIM OTSTER, OR SCALLOP, 

 GENERIC CHARACTER. 



Animal a Tethys. Shell bivalve, with the valves mostly unequal 

 and slightly eared. Hinge without teeth, but furnished with an ovate 

 hollow, and in general lateral transverse furrows. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shells with fourteen angular and longitudinally striated rays. 



Ostrea Jacob^a : testae radiis quatuordecim angulatis longitudi- 



naliter striatis. Linn. — Gmel. Syst. Nat. p. 



3316. sp. 2. 

 Pecten magnus insequivalvis operculo fubrufo, fornix vero albus 



costis angulatis et canaliculars. Jacob(ev. ly Da. 



Costa Brit. Conch, p. 143. sp. 2. 

 P. Jacob^eus Lesser. Penn. Brit. Zool. No. 62. tab. 60. fig. 62. 



This large and handsome kind of Scallop is rare on the English 

 coasts : in the Mediterranean it is more frequent, and from that 



