6 



No. 



69 C. attenuatum, Sow.jun. Zool. Proc. 1840. laevigatum, 



var. biradiatum, Wood, Gen. Conch, pi. 54, f. 2. 

 Very much more elongated than the last. 

 Ceylon. 



70 C. multipunctatum, ^oto. Zool. Proc. 1833. p. 84. Con. 



Illus. f. 14. China. 



71 C. Isevigatum, Zmw. Syst. Nat. p. 1123. Chemn. Conch. 



t. 18, f. 189. C. citrinum, GmeL Wood Gen. 

 Conch, pi. 54, f. 3. Atlantic. This name is 

 erroneously applied by some authors to the British 

 C. serratum. 



72 C. Brasilianum, Lam. Anim. sans vert. t. 6, p. 5. Con. 



Illus. f. 60. Brazil. 



73 C. Elenensis, Soiv. jun. Zool. Proc. 1840. Con. Illus. 



f. 58. St. Elena. Not so much elongated poste- 

 riorly as the last ; not lineated. Mr. Cuming. 



74 C. Mortoni, Conrad. Boston jom-nal? Con. Illus. f. 53, 



54. America. More rounded than C. Elenensis, 

 and nearly equilateral. 



75 C. fragile, Sow. jun. Zool. Proc. 1840. Con. Illus. f. 68. 



76 C. ^olicum. Born. Mus. Caes. p. 36. C. pectinatum, 



Linn? Chemn. Conch, t. 18, f 187, 188. Indian 

 Ocean, China. 



77 C. lyratum, Soio. Zool. Proc. 1840. Con. Illus. f. 40. 



Guinea. This species has no smooth surface q*i 

 the posterior side, as in C. .^olicum. 



78 C. lineatum. Lam. Anim. sans vert. v. 6, p. 17. Con. 



Illus. f. 43. America. 



79 C. Donaciforme, Schroeter, Einl. Conch, t. 3, p. 68. Con. 



Illus. f. 27. Asiatic Ocean. Tranquebar. 



80 C. parvum. Sow. Jun. Zool. Proc. 1840. Con. Illus. 



f. 33. 



81 C. medium. Linn. Syst. Nat. 1122. Chemn. Conch, t. 16, 



f. 162, 164. St. Vincents. 



