OSTREA. 277 



Inhabits the Mediterranean. Chemnitz. 



Shell from two to four inches long, and rather more than two 

 thirds as broad ; with the under convex valve ending in a 

 hollow beak, and longer than the upper, which has its mar- 

 gin toothed ; the former is said to be greenish white, and the 

 latter tinged with violet ; inside chalky white. 



virginica. 68. Shell oblong, thick, curved, with 

 imbricated transverse wrinkles, and the sum- 

 mit of the lower valve produced ; margins 

 very entire. 



Ostrea Virginica. Gmelin, p. 3336. 



Ostrea rostrata maxima. Chemnitz, viii. p. 38. t. 73. f. 677- 



Ostrea, No. 108. Schroeter Einl. iii. p. 370. 



Ostrea elongata. Solander's MSS. Portland Cat. p. 55. 

 lot 1303. 



Ostrea. Enc. Method, t. 180. f. 1 to 3. 



Lister Conch, t. 200. f. 34. Petiver Gaz. t. 105. f. 3. Fa- 

 vanne, t. 41. f. C2. 

 Senior. Ostrea crassa. Chemnitz, viii. p. 40. t. 74. f. 678. 



Ostrea, No. 109. Schroeter Einl. iii. p. 370. 



Lister Conch, t. 201 . f. 35. 

 Inhabits the coasts of Virginia. Lister. 

 This shell, when full grown, is from five to nine inches long, 



and about half as broad ; it is very thick and solid, and of a 



dirty or yellowish white colour ; the fossule of the hinge, which 



holds the cartilage, is transversely striated, as also is a purplish 



muscular impression towards the margin, and the remainder 



of the inside is whitish. 



cucullata. 69. Shell oblong, parasitical, with 

 longitudinal plaits, and strong imbricated 

 transverse wrinkles ; upper valve flat, and its 

 margin by the hinge somewhat toothed. 



Ostrea cucullata. Born Mus. p. 114. t. 6. f. 11 and 12. 

 Ostrea Cornucopias. Chemnitz, viii. p. 41. t. 74. f. 679. 



Gmelin, p. 3336. 

 Ostrea purpurea. Solanders MSS. Portland Cat. p. 139 



lot 3091, &c. Callone's Cat. p. 53. No. 1003> 

 Ostrea, No. 1 10. Schroeter Einl. iii. p. 372. 

 Ostrea. Enc. Method, t. 182. f. 1 and 2. 

 D'Avila, t. 19. f. Y. Favanne, t. 43. f. E. 



