262 AMERICAN JOURNAL 



29. C. impolitum, Sowerby, Zool. Proc. 107, 1840. 



Reeve, Conch. Icon. sp. 80, 1845. Romer, Conch. Cab. 

 62, t. 11, f. 12, 1869. China. 



30. C. Isocardia, Linngeus, Syst. Nat. edit, x, 679. 



Reeve, Conch. Icon. sp. 84, 1845. Romer, Conch. Cab. 

 47, t. 5, f. 5—7. West Indies. 



31. C. lacunosum, Reeve, Zool. Proc. 1845. 



Conch. Icon. sp. 81, 1845. Hab.—? 



32. C. leucostomum, Born., Test. Mus. 46, t. 3, f. 6, 7. 



Reeve, Conch. Icon. sp. 47, 1845. Romer, Conch. Cab. 52, 

 t. 5, f. 2, 1869. 

 0. magnum, Wood, Ixidex Test. 25, t. 5, f. 20. 

 C. marmoreum, Lamarck, Anim. sans Vert, vi, 9, 1819. 

 C. elongatum, Sowerby, Genera, f. 1. Singapore. 



33. C. maculatum, Reeve, Conch. Icon. sp. 58, 1844. 



C. rnaculosum, Sowerby (not of Wood), Conch. 111. sp. 56, 

 f. 18. Zool. Proc. 85, 1833. 



Gulf of Mexico, Southern U. S. 



34. C. rnaculosum, Wood, Gen. Conch, t. 52, f. 3, 1817. 



Reeve, Icon. sp. 76, 1845. 

 C. multistriatum, Sowerby, Zool. Proc. 85, 1833. 

 C. arenicolum, Reeve, Conch. Icon. sp. 78, 1845. 



W. Columbia. 



35. C. Mindanense, Reeve, Zool. Proc. 1844. 



Conch. Icon. sp. 19, 1844. Philippines. 



36. C. modestum, Philippi, Zeit. Mai. 142, 1848. 



37. C. muricatum, Linn., Syst. Nat. edit, x, 680. 



Reeve, Conch. Icon. sp. 33, 1844. Romer, Conch. Cab. 

 49, t. 5, f. 8, 9, 1869. 

 C. Campechiense, Bolten, Mus. 191. 



Southern U. S., West Indies, Brazil. 



38. C. nebulosum, Reeve, Zool. Proc. 1845. 



Conch. Icon. sp. 99, 1845. Hab.—? 



39. C. Orbita, Sowerby, Zool. Proc. 83, 1833. 



Reeve, Conch. Icon. sp. 85, 1845. Romer, Conch. Cab. 

 55, t. 11, f. 5, 6, 1869. Isle Annaa. 



40. C. OXygonum, Sowerby, Zool. Proc. 83, 1840. 



Reeve, Conch. Icon. sp. 77, 1845. China, Philippines. 



41. C. procerum, Sowerby, Zool. Proc. 83, 1833. 



Reeve, Icon. sp. 51. 1844. Romer, Conch. Cab. 58, t. 10, 

 f. 12, 13, 1869. 



