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 MACTRELLA, Gray. 

 Mag. Nat. Hist. 372, 1837. 



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



Reeve, 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 MACTRINULA, Gray. 



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



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



Philippines. 



2. M, angusta, Dcshayes, 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. QQ, 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. QQ, 1854. 



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



Swan River, Australia. 



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



1851. Puget Sound. 



8. M. l^vis, Chemnitz, Conch. Cab. vi. pi. 21, f. 205, 206, 



1782. 

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

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

 1835. 



