THE NAUTILUS. 99 



-\~C. magnum Bom (not Linne), 1780, and C. ventricosum 



Bruguiere, 1789. 

 Helix ovipara, p. 155, No. 3388; Surinam; p. 174, No. 3745, 



St. Vincent's. 



a. Lister, 1055, I. --Bulimus ovatus Miiller, 1774. 



b. Lister, tab. 23. White margin to mouth. 

 =Bulimus oblongus Miiller, 1764? 



Helix picta, p. 182, No. 3900. Terrestrial shell from the West 



Indies. Rumphius, Thesaurus, 22, 1, 1739. 

 -i- Helix picta ~Born, 1780. 



Helix undata, p. 177, No. 3802; p. 183, No. 3924. Lister, 



76; Favanne, tab. 63, f. G 3. 

 -\-Helix pellis-serpentis Shaw, 1790, and Solaropsis brasiliensis 



Beck. 



Mactra procera S., p. 24, No. 559. Great American Mactra 



from New York. 

 -\-Hemimactra solidissima Dillwyn, 1817. 



Murex plicatus S., p. 104, No. 2284. Falkland Islands (Not 



of Gmelin, 1792). Favanne, tab. 79, f. I. 

 + Trophon patagonicus Orbigny, 1841, as Murex. 



Mya complanata S., p. 100, No. 2190. Maryland. Lister, 



150, 5. 

 = Unio complanatus S. 



Ostrea grandis S., p. 50, No. 1186; p. 99, No. 2168. Great 

 American compass Pecten from Halifax, North America. 

 -\-Pecten magellanicus Gmelin, 1791-2. 



Ostrea elongata S., p. 55, No. 1303; p. 151, No. 3312. Purple 



spot oyster from Virginia. 

 -|- Ostrea virginica Gmelin, 1791-2. 

 Solen plebeius S., p. 42, No. 1005 (bis). Barbados. Lister, 



Conch. 421, f. 265. 

 -{- Tagelus gibbus Spengler, 1794. 



Tettina cruenta S., p. 58, No. 1360. Knorr, VI. t. 12, f. 1. 

 -\-Sanguinolaria sanguinolenta Gmelin, 1791-2. 



Tellina marginalia S., p. 137, No. 3049. Lister, Conch. 387. 

 = Tellina laevigata Linn6, 1758. 



