PLATE I. 



FIG. I. I.I.I. 

 OSTREA VARIA. 



FARIEGATED> OR ONE-EARED SCALLOP. 

 GENERIC CHARACTER, 



Animal a Tethys. Shell bivalve unequal. The hinge without a 

 tooth, having a small oval cavity. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell almost equally convex ; about thirty rays, scabrous, imbri- 

 cated, or beset with transverse scales. One ear *. 



Ostrea varia testa aequivalvi : radiis triginta scabris compressis 

 echinatis uni aurita. Gmel. — Linn. Si/st. Nat. 

 3324. 48. 

 P. subrufus, striis viginti quatuor, ad minimum donatus. — P. parvus, 

 ex croceo variegatus, tenuiter admodum striatus, al- 

 ternis fere striis paulo minoribus. List. H. Conch. 

 Pecten minor nostras, striis plurimis minoribus. Mus. Petiv. p. 86. 



No. 830. 

 Pectunculus echinatus fusco purpureus. Borlase Corn. p. 277. 



* It has two ears, but one is considerably larger than the other. 



