41 



Genus C(ECELLA, Gray. 



1. C. Chinensis, Deshayes, Proc. Zool. Soc. 334, 1854. 



CJdnese Seas. 



2. C. COnvexa, Deshayes, Proc. Zool. Soc. 334, 1854. 



3. C. Cumingiana, Deshayes, Proc. ZooL Soc. 334, 1854. 



Philippines. 



4. C. lata, Deshayes, Proc. Zool. Soc. 334, 1854. 



Chinese Seas. 



5. C. oblonga, Deshayes, Proc. Zool. Soc. 335, 1854. 



Chinese Seas. 



6. C. tenuis, Deshayes, Proc. Zool. Soc. 336, 1854. 



Philippiiies. 



7. C. transversalis, Deshayes, Proc. Zool. Soc. 335, 1854. 



8. D. turgida, Deshayes, Proc. Zool. Soc. 333, 1854. 



Philippines. 



9. C. Zebuensis, Deshayes, Proc. Zool. Soc. 334, 1854. 



Philippines. 



10. C. Zelandica, Deshayes, Proc. Zool. Soc. 335, 1854. 



Genus E.AETA, Gray. 



L R. canaliculata {Lutraria), Say, Jour. Acad. Nat. Sci. ii. 

 310, 1821. (Binncy's ed. 102). 

 3Iactra canaliculata, Reeve, Conch. Icon. Monof^. Mactra, f. 



122, 1854. 

 31. Campechensis, Gray. Wood, Index Test. Sup. f. 3, 1818. 



G-eorgia, South Carolina. 



2. R. lyrata, Hinds. 



3. R. papyracea, Chemnitz, Conch. Cah. vi. 233, f. 230, 



1782. 



4. R. pellicula, Deshayes, Reeve, Conch. Icon. Monog. Mac- 



tra, f. 124, 1854. Japan. 



5. R. pulchella, Adams and Reeve, Genera, ii. 386, 1858. 



6. R. rostralis, Deshayes, Zool. Proc. 69, 1851. 



Reeve, Conch. Icon. Monog. Mactra, f. 119, 1854. 



China Seas f 



7. R. tenera, Deshayes. 



Reeve, Conch. Icon. Monog. Mactra, f. 123, 1854. 



