NORTH AMERICAN CONCHOLOGY. 



249 



Page. 



84 Melania armigera Say -v 

 84 Duttoniana Lea v = Pleurocera Raf. 



84 catenoides Lea J 



84 Pleurocera (Io). (Description of animal). 



84 Io spinosa Lea = Pleurocera fluvialis Say. 



84 In tehebrosa Lea = Pleurocera fluvialis Say, 



89 Ampullaria. (Animal described.) 



90 Physidae. (Notes.) 



Ravenel. — Descriptions of three new species of Univalves, re- 

 cent and fossil: by E. Ravenel, M. D. (Proceedings of Elliott 

 Society of Natural History of Charleston, S. C, vol i, p. 281. 

 March, 1858.) 



Page. Name. Locality. 



281 Columbella spirantha Rav. Wande river, S. C. 



HiggillS. — A Catalogue of the Shell-bearing species of Mol- 

 lusca inhabiting the vicinity of Columbus, Ohio — with some 

 Remarks thereon : by Frank Higgins. Sept. 1858. [Without 

 descriptions.] 



Page. 



4 

 4 

 4 



4 

 4 

 4 

 4 

 4 

 4 



No. 



1 



o 



3 

 4 



5 

 6 

 7 



10 



11 

 12 

 13 

 14 

 15 

 16 



17 



Name. 

 TJnio alasmodontinus Barnes. 

 alatus Say. 

 Bourneianus Lea. 

 cuneatus Barnes. 

 coccinneus Mid. 

 cicatricosus Say. 

 cylindricus Say. 

 crassus Say. 

 circulus Lea. 



U. lens Lea (young). 

 clavus Lam. 



U. patulus Lea (young). 

 cornutus Barnes. 

 donaciformis Lea. 

 elegans Lea. 

 ellipsis Lea. 

 Gouldianus Ward. 

 gibbosus Barnes. 



var. U. arctior Lea. 

 gracilis Barnes. 



Locality. 

 Scioto river & tributaries. 

 Scioto river. 

 Scioto river. 

 Scioto river. 

 Scioto river. 

 Scioto river. 

 Scioto river. 

 Scioto river. 

 Scioto river. 



Scioto river. 



Scioto river. 

 Scioto river. 

 Scioto river. 

 Scioto river. 

 Scioto river. 

 Scioto river. 



Scioto river. 



