

-o^ 28 €-o- 



'l'uba, So\v. 



Tiibiferiis, Ffeif.fipyy» 



Tiirhinatuiu, do. 



Turg-idum, do. 



Uiidiilatum, Sciw. 



Undatuni, Metcalf. 



Unicarinatum, l^iiirk. 



^'^aliduiii, Sovv. 



Idein, do. 



Variabile, C. B. Ad. 



Variegatuni, Swains. 



Idem, do. 



Ideni, do. 



Ventricosum, d'Orb. 



Verruculosuni, Sbuttlew. 



Vii^'gatum, Sow. 

 ^ Vitireum, Lesson. 



Vittatuiii, Sow. 

 ^-Tolvulus, Lnirk. 



Wilkinsoni, C. ß. Ad. 



. Woddianuni, Lea. 



^ Ideui, do. 



Idem, do. 



Idem, do. 



Idem, do. 



Xanthocheilus, 8ovv. 



Xanthostoma, do. 



Zanguebaricus, Petit. 



Stoastoma 



Blandianum, Ad. 

 Chittyamim, do. 

 Fadyenianum, do. 

 Jayaniiin, do. 

 Leanum, do. 



■\ Truncatella 



— -Bilabiata, Pfeif. 

 — -Caribaeensis, Sow. 

 _ Idem, do. 



Fusca, Phil. 

 .^-Guerinii, Villa. 



Minuta, Parr. 

 _ Pulchella, Pfeif. 



Trnncatula, Risso. 



Valida, Pfeif. 



Hydrocena 



Cattaroensis, Pfeif. 



Jr Plaiiorbis 



Albicans, Pfeif. 

 ^ Albus, Müll. 



Armigerus, Say. 



Benguelensis, Dunk. 



Bicarinatu-s, Say. 



Campanulatus, do. 



Carinatus, Müll. 



Idem, do. 



Cimex, Moric. 

 ,--Complanatus, li»^. -" 



Contortus, Müll. 

 , Corneus, Drap. ^ 



Deprcssimus, Moric. 



Exustus, Deslis. 



Fragilis, Say. 



Lugubris, Wagner. 



Lutescens, Lmrk. 



i.iiteus, Dunk. 



Mdfg'intitti«^ Brarr. 



Liem, do. 



Idem, do. 



Megasoma, de Kay. 



Merguensis, Phil. 

 _^ Nautileus, Lin. 

 ,.jvlitidus, Müll. 



Obesus, Dunk. 

 _^-01ivaceus, Wagner. 

 . --Parvus, Say. 



Peruvianus, Brodp. 



Proboscideus, Menke. 

 __,.Refulgens, Dunk. 



Salleanus, do. 



S])irorbis, Müll. 



Subangulatus, Phil. 



Tennis, do. 



Tiansilvanicus, Ziegl. 



Trivolvis, Say. 



Tuniidus, Pfeif. 

 J'ortex, Müll. 



Physa 



Acuta, Drap. 



Amnica, Ziegl. 

 , Ancillaria, Say. 



. Contorta, Mich. 



_- Cubensis, Pfeif. 



Elliptica, Lea. 

 . -Fontinalis, Drap. 



Gyrina, Say. 



Heterostropha, do. 

 , Hypnorum, Drap. 

 ^ Idem, do. 



Maugeri, Gray. 



Mexicana, — 



Minuta, Ziegl. 



Nitida, Pfeif. 



Osculans, Halter. ? 



Peruviana, Gray. 



Scalaris, Dunk. 



Tongana, Quoy. 



Amphipeplea 



Cumingi, Pfeif. 

 _ Glutinosa, Nils. 



Chilina 



Ampullacea, Sow. 

 Bulloides, d'Orb. 

 Donibeyana, Gray. 

 Fluctuosa, do. 

 Fluininea, do. 

 Fluviatilis, do. 

 Major, Sow . 

 Ovalis, do. 

 Parchappii, d'Orb. 

 ^Pudlch<(/üdo. 



^^'rehuelcha, d'Orb. 

 Tenuis, Gray. 



Limnaeus 



Aiiiygdalum, Troschl. 



I<k'm, do. 



Apressus, Say. 

 ^-Auricularius, Drap. 

 ^ Jdem, do. 

 ,^'atascopa, Say. 



Cerasum, Troschl. 

 _^Colnmellaris, Say. 



Cubensis, Pfeif. 

 ^JDecollatus, Migh. 



Desiduosus, Say. 

 [.„-blödes, do. 



-Elongatus, Drap. 



Idem, do. 



Filogranus, Ziegl. 



Fontinalis, Sandrock. ? 



Grannlosus, Parr. 



Humilis, Say. 



Intermedius, Ferr. 



IVIarginatus, Say. 



Megasoma, do. 



Megaspirus, Ziegl. 



Mexicanus, do. 



Minor, Benson. 



Minutus, Drap. 



Modicellus, Say. 



Nitidus, Ziegl. ' 



Niicleus, Troschl. 



Ovatus, Drap. 



Palustris, Müll, 

 ^^dem, do. f U'j 



Papyraceus, Spix. 



Patulus, Troschl. 



Pereger, Drap. .. 



Idem, do. 



Idem, do. 



Idem, do. 



Persicus, Parr. 

 ^ JReflexus, Say. 



Rubiginosus, Mich. 



Rugatus, Ziegl. 



Sandvicensis, Phil. 



Speciosus, Ziegl. 

 ^--Stagnalis, Müll. 



Idem, do. 



S\iblucidus, Ziegl. 



Subulatus, Dunker. 



Sulcatulus, Troschl. 

 . -Thermalis, Boubee. 



Truncatus, Buving. 

 Turriculus, Held. 

 Umbrosus, Say. 

 ^'ulgaris. Pfeif. 



M e 1 a n i a 



Acanthica, Lea. 



Aculea, do. 



Albcscens, do. 

 ^Alveare, Conr. 



Amarula, Lmrk. 



