14 MACTRACEA. 



23. M. glauca, Gmelin, Wood, Ind. Test. pi. 6. f.30. 



Mactra hehacea, Lamarck ; Mactra Neapolitana, Poli. 

 S^. M. grandis, Gmelin, Enc. meth. v. 2. pi. 253. f. 1. 



25. M. lactea, Chemnitz, Conch. Cab. v. 6. pi. 22. f. 220 and 221. 



Mactra solida, Payrandeau. 



26. M. lateralis, Sai/, Gould, Invert. Massachusetts, f. 34 and 35. 



Mulinia lateralis, (jray. 



27. M. lilacea, Lamarck, Anim. sans vert. v. 6. p. 106. 



28. M. lisor, Adanson, Coq. Senegal, pi. 1 7. f. 1 6. 



29. M. maculata, Gmelin, Chemnitz, Con. Cab.v.6. pi. 21. f.208, 209. 



30. M. maculosa, Lamarck, Anim. sansvert. v. 6. p. 100. 



Mactra ornata. Gray. 



31. M. nitida, Schroeter, Einl. in Conch, v. 3. pi. 8. f. 2. 



Mactra straminea, Lamarck. 



32. M. nucleus, Conrad, Journ. Acad. Nat. Sci. Phil. v. 6. pi. 1 1. f. 4. 



33. M. oblonga. Say, Journ. Acad. Nat. Sci. Phil. v. 2. p. 310. 



34. M. ovalina, Lamarck, Anim. sans vert. v. 6. p. 104. 



35. M. ovalis, GomM, Invert. Massachusetts, p. 53. 



36. M. pallida, Brodei'ip and Sowerhy, Zool. Journ. v. 4. p. 360. 



37. M. pellucida, Chemnitz, Conch. Cab. v. 6. f. 234. 



Mactra depressa, Lamarck ; Mactra dealhata, Montagu. 



38. M. plicataria, Linnceus, Syst. nat. p. 1 125 ; E. M. pi. 255. f. 2. 



39. M. Reevesii, Gray, Ann. and Mag. Nat. Hist. 1837. 



40. M. rufa, Lamarck, Anim. sans vert. v. 6. p. 105. 



41. M. rufescens, Lamarck, Anim. sans vert. v. 6. p. 102. 



42. M. Sauliae, Gray, Ann. and Mag. Nat. Hist. 1837. 



43. M. similis. Say, Journ. Acad. Nat. Sci. Phil. v. 2. p. 309. 



Spisula similis, Gray. 



44. M. solida, Linnams, Sowerby, Genera of Shells, no. 24. f. 3. 



45. M. solidissima, Chemnitz, Conch. Cab. v. 10.pl. 170. f. 1656. 



Mactra gigantea, Lamarck. 



46. M. Spengleri, Gmelin, Enc. meth. pi. 252. f. 3. 



47- M. squalida, Lamarck, Anim. sans vert. v. 6. p. 105. 



48. M. striatella, Lamarck, Enc. meth. pi. 255. f. 1. 



49. M. striatula, Linnceus, Enc. meth. pi. 251. f. 1. 



3Iactra carinata, Lamarck ; Mactra alata. Wood. 



50. M. stultorum, Linnceus, Enc. meth. pi. 256. f. 2. 



Mactra cinereu, Montagu ; Tellina radiata. Pennant. 



51. M. subglobosa, Broderip, Zool. Journ. v. 4. p. 360. 



52. M. subplicata, Lamarck, Chemnitz, Conch, v. 6. pi. 21. f. 205. 



53. M. subtruncata, Montagu, Test. Brit. Supp. p. 93. pi. 27. f. 1. 



