AVICULACEA. 77 



Genus II. PERNA, Lamarck. 



1 . P. avicularis, Lamarck, An. s. v. v. 7. p. 76 ; Delessert, pi. 1 4. f. 3. 



2. P. Californica, Conrad, Journ. A.N. S. P. v. 7. p.25.pl.l9.f. 13. 



3. P. canina, Lamarck, An.s. v. v. 7. p. 76 ; Seba, v. 3. pi. 91. f. 8. 



4. P. costellata, Conrad, Journ. Amer. Nat. Sci. Phil. v. 7. p. 246. 



5. P. ephippium, Lamarck, Enc. m. pi. 176. f. 2 ; An. s. v. v. 7. p. 74. 



OstrcEa ephippium, Linnaeus. 



6. P. isognomura, Lamarck, Enc. meth. pi. 176. f. 1. 



Ostrcsa isognomum, Linnaeus ; Pinna femoralis, Lamarck. 



7. P. legumen ( Ostr(Ba), Gmelin, Syst. Nat. p. 3399. 



8. P. Listeri, Hanley, Lister, Conch, pi. 228. f. 63. 



9. P. marsupium, Lamarck, Chemnitz, Conch, v. 1. pi. 58. f. 577- 



10. P. nucleus, Lamarck, Anira. sans veil. v. 7. p. 78. 



11. P. obliqua, Lamarck, Anim. sans vert. v. 7. p. 75. 



Ostrcea ala-corvi, Chemnitz; Ostraa alata? Dilhvyn ; 

 Perna epidppiimi, Sowerby. 



12. P. planorbis, Dufo, Ann. Sci. Nat. October 1840. 



13. P. rupella, Dufo, Ann. Sci. Nat. October 1840. p. 211. 



14. P. sulcata, Dufo, Ann. Sci. Nat. October 1840. p. 212. 



1 5. P. sulcata, Lamarck, An. s. v. v. 7. p. 77 ; List. Con. pi. 228. f. 63. 



Oslrcea perna, Linnaeus. 



16. P. vulsella, Lamarck, An.s. v. v. 7.p.78; List. Con. pi. 199. 1". 33. 



Genus III. MALLEUS, Lamarck. 



1. M. albus, Lamarck, Anim. sans vert. v. 7. p. 91. 



Ostrcea malleus albus, Chemnitz. 



2. M. anatinus, Lamarck, Enc. meth.pl. 177. f. 14. 



Ostrcea anatina, Gmelin ; Ostrcea jigurata, Chemnitz. 



3. M. decurtatus, Jjamarck, Delessert, Recueil, pi. 14. f. 6. 



4. M. normalis, Lamarck, Anim. s. v. v. 7. p. 92 ; Sow. Gen. no. 6. 



5. M. vulgaris, Lamarck, Enc. meth. v. 2. pi. 177. f. 12. 



Ostrcea mcdleus, Linnaeus. 



6. M. vulsellatus, Lamarck, Enc. meth. v. 2. pi. 177- f. 15. 



Ostrcea regiiki, Forskiiel ; Ostrcea vulsella, Gmelin. 



Genus IV. VULSELLA, Lamarck. 

 1. V. hians, Lamarck, Chemnitz, Conch, v. 6. pi. 2. f. 10. 



