34 



Genus HARVELLA, Gray. 



1. H. elegans, Sowerby, Tankerville Cat. No. 116, App. 2, 

 pi. 1, f. 8, 1825. 

 Reeve, Conch. Icon. Monog. Mactra, f. 89, 1854. 

 Harvella elegans, Gray. Panama. 



Genus MACTHELLA, Gray. 

 Mag. Nat. Hist. 372, 1837. 



1. M. alata, Spongier, Skrivt. Nat. Selsk. v. pt. 2, 99, 1799. 



Keeve, Conch. Icon. Monog. Mactra, f. 29, 1854. 

 Mactra carinata, Lam., An. s. Vert. (Desh. ed.) 98, 1835. 



West Colombia. 



2. M. exoleta, Gray, Mag. Nat. Hist. 372, 1837. 



Reeve, Conch. Icon. Monog. Mactra, f. 16, 1854. 

 Mactra exoleta, Gray. Panama. 



Genus MACTEINULA, Gray. 



1. M. angulifera, Deshayes, Zool. Proc. 70, 1854. 



Reeve, Conch. Icon. Monog. Mactra, f. 83, 1854. 



Pliilippines. 



2. M. angusta, Deshayes, Zool. Proc. 67, 1854. 



Reeve, Conch. Icon. Monog. Mactra, f. 93, 1854. Panama. 



3. M. COmplanata, Deshayes, Zool. Proc. 14, 1853. 



Reeve, Conch. Icon. Monog. Mactra, f. 54, 1854. 



Indian Ocean. 



4. M. dolabrata, Deshayes, Zool. Proc. 66, 1854. 



Reeve, Conch. Icon. Monog. Mactra, f. 107, 1854. 



5. M. egena, Deshayes, Zool. Proc. 68, 1854. 



Reeve, Conch. Icon. Monog. Mactra, f. 71, 1854 



6. M. explanata, Deshayes, Zool. Proc. 66, 1854. 



Reeve, Conch. Icon. Monog. Mactra, f. 70, 1854. ' 



Swan Bdver, Australia. 



7. M. falcata, Gould, Proc. Post. Soc. Nat. Hist. iii. 216, 



1851. Puget Sound. 



8. M. Isevis, Chemnitz, Conch. Cab. vi. pi. 21, f. 205, 206, 



1782. 

 Reeve, Conch. Icon. Monog. Mactra, f. 27, 1854. 

 Mactra suhplicata, Lam., An. sans Vert. (Desh. ed.) vi. 103, 

 1835. 



