50 



O S T R E A. 



Linn, names. 

 31 varia 



Gm. 



Engl, names 

 various 



38 laevis 



smooth 



Synonyms. Habitat. 



L. t. 180, 181, & 189. 

 G.t.73,f.C.l.^. C.I, 

 f. 66,/. 633-4. E.M. 

 t.213,f.4. P.B.Z.4^, 

 t.U,f.\. D.\,t.\,f.\. 

 ikf.j9.146. Britain, &c. 



C.7,<.69,/.H. Red Sea. 



G'.^74,/.A.H. C.7,f.67, 

 /.635-6. Nicobar Islands. 



L.t. 172,/. 9. P.B.Z.i, 

 t.64,f.2. D.t.34. M. 

 ^9.148. Britain. 



B.p.\Q4^,t.7,f.\. u. 



C.7,t.67,f.637. a. N. Ocean. 



P.B.Z.i,t.64,f.3. D.t.l, 

 f.2. M.p.l4>9. Britain. 



E.M.t.2U,f.6. M.p.l50, 

 t. 4,/ 4. L. T. 8, t.3, 

 f.5. 



C.ll,^207,/.2043. E.M. 



t.2l2,f.6. Denmark. 



C.7,f.67,/.638. Adriatic. 



C. ^73,/.H. C.7,t.67, 

 /.641-5. E.M.t.2l3, 

 f.2. Mediterranean. 



C.ll,<.207,/.2042. 



L.t. 182,/. 19. C.7,t.67, 

 / 646. E. M. t.2l3, 

 /.3. P.B.Z.4,t.63,/.2. 

 D.t.12. iJ/.p.l45. 



Britain, &c. 



