NORTH AMERICAN CONCHOLOGY. 1 1 



Page. Plate. Fig. Name. Locality. 



(Remarks on Pecten Clintonius Say, fossil.) 



Green. — On the Dolia of the United States: by same. (From 

 the same work.) 



Page. Plate. Name. Locality. 



131 iv Dolium zonatum Green. Western coast. 



132 perdix Lin. Chesapeake Bay to Florida. 



132 plumatum Green. 



Bucrinum maculosum Solander? 



133 olearium Lin. Florida. 



Green. — Notes on the American Shells figured in the Supple- 

 ment to the Index Testaceologicus: by same. (From same 

 work as above. No descriptions are given.) 



Page. 



134 TJnio (Mya) rotunda Wood = TJ. circulua Lea. 

 Mya oblongata. 



nasuta. 



undulata Wood, not TJ. undulata Barnes; TJ. plicatus Le- 



sueur {teste Lea) is TJ. Peruviana Lam. 

 gravis and cariosus. 



rugulosa is not rugosus Barnes (not a var. of metanevra). 

 obliquus Wood = obliqua L,am. or scalenius Raf. 



135 Castalia ambigua not from U. S. 

 TJnio rigida Wood. 



praelonga Barnes = rectus Lam. 

 Hyria ungulata Wood not U. S. 



Strombus noviboracenses Wood = Nassa obsoleta. 

 Helix angulata = Planorbis bicarinatus. 

 Paludina subcarinata Wood = Pal. dissimilis. 

 Helix fraterna Wood = H. hirsuta Say. 

 Paludina discissa Wood = Pal. subcarinata Say. 



dissimilis Wood = Pal. discisa Say. 



Virginica Wood = Melania Virginica. 



136 Polygyra auriculata Say = Helix Sayii Wood. 



(Also remarks on the American species of Unio in the British Museum, 

 and notes on figures of Wood which are correctly named.) 



