NATURAL SCIENCES OF PHILADELPHIA. 255 



A. sulcatus, Brug. Ency. Meth. No. 3. 1789. 



Reeve, Conch. Icon. sp. 35. 1843. 



Chama antiquata, Poli, Test. TJtr. Sicil. ii. t. 23, f. 12, 13. 



1795. 



Mediterranean. 



A. Tankervillii, Wood. Index Test. Suppl. 57. 1828. 



Reeve, Conch. Icon. sp. 29. 1843. 



Chama Australis, Wood. Index Test. Suppl. 6. 1828. 



Australia. 



A. tegulatus, Reeve, Zool. Proc. 1843. Conch. Icon. sp. 48. 



Valparaiso. 

 A. tumidus, Broderip, Zool. Proc. 56. 1832. 



Reeve, Conch. Icon. sp. 26. 1843. 



A. varius, Brod. Zool. Proc. 56. 1832. 



Reeve, Conch. Icon. sp. 25. 1843. 



Puerto Portrero, Isle Plata, Gallapagos. 



A. Thouarsii, D'Orbigny, Voy. Amer. Merid. 579, t. 84, f. 1-3. 



1846. 



Malouin Isles. 



A. Zelandicus, Deshayes, Zool. Proc. 101. 1852. 



New Zealand. 



Genus CYC10CARDIA, Conrad. 



C. borealis, Conrad, Am. Mar. Conch. 39, t. 8, f. 1. 1831. 



Reeve, Conch. Icon. sp. 33. 1843. 



Cardita vestita, Deshayes, Zool. Proc. t. 17, f. 10. 1852. 



Northern Coast United States. 



C Nov-Anglle, Morse, Rep. Peabody Acad. Science, 76. 1869. 



New England. 



C. ventricosus, Gould, Boston Proc. iii. 276. 1850. (= borealis. ?) 



PugeVs Sound. 



Genus PLETJROMERIS, Conrad. 

 Arn. Jour. Conch, iii. 12. 1867. 

 P. tridentatus, Say, Jour. Philad. Acad. v. 216. 1826. 



(Not of Reeve, Icon. Cardita, sp. 22 = C. Australis, 

 Quoy.) 



Northern Coast United States. 



Genus MYTILICARDIA, Blainville. 

 Diet. Sciences, Nat. xxxii. 326. 1824. 

 M. calyculata, Linnaeus, Syst. Nat. Edit. xii. 1138. 1767. 

 Reeve, Conch. Icon. Cardita, sp. 1. 1843. 



