NORTH AMERICAN CONCHOLOGY. 



89 



[Dillwyn, 



Vol. Page. 



ii 890 



ii 899 



ii 918 



ii 992 



ii 1013 



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ii 1055 



ii 10(jl 



Descriptive Catalogue.] 

 Name. 

 Helix albella Linn. 



H. erplanata Mil 11. 



planorbis marginatus Ch. 

 Rhemina Ginel. 

 umhilicaris olivi Adr. 

 maculata Miill. 

 Planorbis umbilicatus, ^-c. Scbr, 

 punctata Born. 



II. iso<jnomostomos Gmel. 

 sinuata (var. y) Gmel. 

 urceus Mull. 



II. plicnta Portland Cat. 

 maxima Chemn. 

 ampullacea (var. S) Scbr. 

 Nerita urceus Miill. 

 Bulimus urceus Brug. 

 AmpuUaria rugosa Lam. 

 Nerita viridis L. 

 Haliotis Cracherodii Leach. 

 Patella calyptra Martyn. 

 testudinalis Mull. 

 P. radiata Born. 

 virgata Gmel. 

 noachina L. 



P. Jissurella Mull. 

 apertura Mont. 

 porphyrozonias Gmel. 



Locality. 

 Virginia, &c. 



Virginia, &c. 



River Mississippi, &c. 



Virginia, &c. 



California. 



N. W. Coast America. 



Greenland, &c. 



Greenland, &c. 



North America. 



Spenjfler. — Bcschreibung der Venus mercenaria Linn. Nebst 

 Abbildung von L Spengler. (From Shriften der Berlinischen 

 Gesellschaft naturforsch. Freunde, 6, 1785 — pp. 307-316. ) 



Pa^e. PI. Fig. Name. Locality. 



307-316 vi 1, 2, 3 Venus mercenaria Linn. Long Island, &c. 



Cheitinitz. — Vom buccino glaciali Linnnei nebst ciner gcnauen 

 A!)zeichnungbesseiben : von J. H. Chemnitz. (From Sdirlften 

 d. Berlin. Ges. Naturf. Fr. Bd. 6, 1785— pp. 317-321.) 



