■'>^ 10 €^ 



Gnathodoii 

 _- Cuneatus, Gray. 



Marji aritana 



V. d. Buscliiana, Lea. 

 (ialceola, do. 

 (lomplanata, do. 

 , Marginata, do. 

 Raveneliana, do. 

 Rugosa, do. 

 Tritonia, Parreyhs. 

 Undulata, Lea. 



D i p s a s 



Plicatus, Leacli. 



Hyria 



Avicularis, Lmrk. 

 (^orrugata, do. 

 Ovata, Swains. 

 Syrmatophora, Sow. 



Anodonta 



.^ -Anatiua, Lmrk. 



Atiserina, Spix. 



Benedictensis, Lea. 



Cataracta, Say. 

 ^,-Celeiisis, Pfeiler. 



Chaiziana, Rang. 



Compressa, Ziegler. 



Ciiperiana, Lea. 



Curvata, Ferr. 

 -«^-Cygnea, Pfeitier. 



.Decora, Lea. 



Edentula, do. 



Excentrica, Ziegler. 



Exilis, Lea. 



Ferrussaciana, do. 



Fluviatllis, do. 



Gibbosa, Say. 



Imbecillis, do. 



Intermedia, Lmrk. 



Klettii, Rossm. 



Lato-marginata, Lea. 



Lympida, Ziegler. 



Magnifica, Lea. 



Minima, Millet 



Nuttaliana, Lea. 



Obtusa, Spix. 



Ovata, Loa. 



Pavonia, do. 

 — ^-Piscinalis, Nielsson. 

 ..»^Plana, Lea. 

 ^ — ^Ponderosa, Pfeiffer. 

 — Rostrata, Kokeil. 



Spixii, d'Orb. 



Uniobsis, Lmrk. 



Ventricosa, Pfeiffer. 



AJ ycetopoda 



Siliquosa, d'Orb. 

 Soleniformis, do. 



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4 



I r i d i n a 



Coelestis, Lea. --^1 



Nilotica, Sow. 

 Ko.strata, Kang. 

 Rubens, üe.slis. 

 Scalpelliforniis, Ziegler. 



tC h a ra a 



Arcinella, Lin. 

 Asperella, limrk. 

 Aspersa, Reeve. 

 (lorrugata, Brodp. 

 Cristella, Lmrk. 

 Exaaperata, Jonas. 

 Exogyra, Lonrad. 

 Ferrnginea, Reeve. 

 Fibula, do. 

 Florida, Lmrk. 

 Foliacea, Quoy & G. 

 Fragum, Reeve. 

 Frondo.sa, Brodp. 

 Gryphoides, Lin. 

 Impricata, Brod)), 

 Janus, Reeve. 

 Jukesii, do. 

 Lazarus, Lin. 

 Ideni, do. 

 Limbula, Lmrk. 

 Lobata, Brodp. 

 Macerophylla, (".liemn. 

 Idem, do. 

 Idem, do. 

 Idem, do. 



Multisquamosa, Reeve. 

 Obliquata, do. 

 PaciHca, Brodp. 

 Pellis-Phoce, Reeve. 

 Pellucida, Brodp. 

 Pulchella, Reeve. 

 Rubea, do. 

 Ruderalis, Lmrk. 

 Sinuosa, Brodp. 

 Spinosa, do. ~r| 



Sulphurea, Reeve. 

 Variegata, do. 

 Venosa, do. 



Cleidothaerus 

 (^liamoides, Stutclib. 



Etheria 



(lallaudü, Fmr. 

 Idem, dl). 

 PluDibea, du. 



Tridacua 

 — ^h'ocea, Lmrk. 

 — Elongata, do. 



Gigas, do. 



Serrifera, do. 

 -^Squamosa, do. 



Hipp Opus 



I — -Maculatus, Lmrk. 



1 



Modiola 



Arbore.scens, Chemn. 

 Adriatica, Lmrk. 

 Albicosta, do. 

 Arcuatula, Hanley. 



üarbata, Lmrk. 



Biradiata, Hanley. 

 Brasiliensis, Chemn. 

 (Juneiformis, Hanl. 

 Discors, Lin. 

 Discrepans, Mont. 

 Elegans, Gray. 

 Elongata, Swains. 

 Faba, Gmel. 

 Gibsii, Lea. 

 Glandula, Totten, 

 Impactus, Hermann. 

 Laevigata, Quoy. 

 Liturati, Menke. 

 Marmorata, Forbes. 

 Metcalfi, Hanl. 

 Nana, Meyen. 

 Nitida, Hanl. 

 Papuana, Lmrk. 

 Plicatula, do. 

 Rugosa, Bean. 

 Semi-costata, (Conrad. 

 Semi-fusea, Lmrk. 

 Striatula, Hanley. 

 Strigata, do. 

 Idem, do. 

 Idem, do. 

 Subramosa, do. 

 ^^tilcata, Lmrk. 

 Trapesina, do. 

 Idem, do. 

 Tulipa, do. 

 Idem, do. 

 Vagina, do. 

 A'^estita, Philippi. 



L i t h ü d o m u s 



Attenuatus, Deslis. 

 Canaliferus, Hanley. 

 Caribaeus, Philippi. 

 (laudigerus, Lmrk. 

 Cinnamomeus, do. 

 Idem, do. 



- -(A)rrugatus, Philippi. 

 ._ Dactylus, Sow. 



- Gracills, Philippi. 

 Giuneri, do. 



^ Malayanus, do. 

 Nasuta, do. 

 Plumula, Hanley. 

 Siliculus, l^mrk. 

 Teres, Philippi. 



Mvtilus 



^ 



-Achatinus, 

 -Idem, do. 



Lmrk 



-lo 



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