274 OSTREA. 



Ostrea anatina. Gmelin, p. 3333. 



Ostrea, No. 98. Schroeter Einl. iii. p. 367. 



Anas domestica. Spengler Cat. Rais. t. 6. f. 1 and 2. 



Avicula. Enc. Meth. t. 177- f. 14. 



Inhabits the coasts of the Nicobar Islands. Chemnitz. 



Shell about three inches long, and one inch broad; white, 

 tinged with violet, brittle, and pellucid; a small beak pro- 

 ceeds from near the summit on one side, and the shell is 

 much bent and curved in the opposite direction, so as to give 

 a fanciful resemblance to a goose when sitting ; it is rather a 

 doubtful species. 



fornicata. 60. Shell oblong-linear, coarse, with 

 the valves diverging at the hinge, and the in- 

 side vaulted. 



Ostrea fornicata. Forskael Descrip. Anim. p. 124. Gme- 

 lin, p. 3335. 

 Ostrea rostrata. Chemnitz, viii. p. 25. t. 71. f. 667. 

 Ostrea, No. 101. Schroeter Einl. iii. p. 368. 

 Ostrea. Enc. Method, t. 178. f. 6 and 7. 



Inhabits the Red Sea. Forskael. 



Shell about two inches long, and rather more than three quarters 

 of an inch broad ; brittle, membranaceous, of a chestnut co- 

 lour, and has both valves terminating at the hinge in an elon- 

 gated diverging beak. 



orientalis. 61. Shell parasitical, ovate, yellowish 

 brown, with black rays, and one valve much 

 flatter than the other. 



Ostrea parasitica Indiae Orientalis. Chemnitz, viii. p. 19. 



t. 71. f. 660. 

 Ostrea edulis Var. ? Gmelin, p. 3335. 

 Ostrea, No. 99. Schroeter Einl. iii. p. 367. 

 Ostrea. Enc. Method, t. 184. f. 4. 



Inhabits the East Indian Seas. Chemnitz. 



Shell about an inch and three quarters long, and an inch and a 

 half broad; coarse, and of a yellowish brown colour, with 

 black longitudinal rays ; one valve is flat, and the other con- 

 vex, and by the former the shell is attached to other sub- 

 stances. 



folium. 62. Shell parasitical, oval, obtusely plait- 

 ed on the sides, and transversely wrinkled. 



