PLATE CXXXVII. 



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 Jacobjea : tests radiis quatuordecim angulatis longitudi- 

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

 3316. sp. 2. 



Pecten magnus insquivalvis operculo fubrufo, fornix vero albus 

 costis angulatis et canaliculars. Jacob <eus. Da 

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



P. Jacob;eus Lesser. Penn.BriU 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 



