NORTH AMERICAN CONCHOLOGY. 15 



Anoiiy moils. — Ohio Shells; a criticism on Notices of Western 

 Botany and Conchology by C. W. Short, M. D., and H. Hul- 

 BERT Eaton, A. M. (R. S); and Monograph of the Bivalve 

 Shells of the river Ohio: translated from the French of Prof. 

 Kafinesque by C. A. Poulson, Esq. (From the Monthly 

 A^ierican Journal of Geology and Natural Science, vol. i, No. 

 8, pp. 370-377. Philadelphia, Feb. 1832.) 



InTesti^ator. — Remarks on the article contained in Silli- 

 man's Journal for April, 1832, entitled "Mr. Lea on the 

 Naiades:" by Investigator, (From the same, vol. i, No. 12, 

 pp. 537-549. June, 1832.) 



Page. 



543 Unio occidens Lea = TJ. ventricosus Barnes. 



544 oriens Lea i= U. dehiscens Say. 



544 trapezoides Lea = U. interruptus Say. 



544 multiplicatus Lea = U. heros Say. 



544 ellipsis Lea = U. olivaria Rajinesque. 



545 irroratua Lea ^ U. stegaria var. Rajinesque. 

 545 planulatus Lea = U. fasciolaris Rajinesque. 

 545 circulus Lea = U. striata var. rosea Rajinesque. 



U. orbiculatus "j 



torsus > are also remarked on. 



rotundata ) 

 545 patulus Lea = U. cuneata Rajinesque. 



545 rubiginosus Lea ^ U. flava Rajinesque. 



546 donaciformis Lea = U. truncata Rajinesque. 

 546 securis Lea ^ U. depressa Rajinesque. 



546 pustulosus Lea = U. bullata Rajinesque. 



546 pustulatus Lea = U. nodosa Rajinesque. 



546 Boleniformis Lea = U. monodonta Say. 



546 perplexus Lea = U. gibbosa Rajinesque. 



546 pileus Lea = U. flezuosus Rajinesque. 



546 Bulcatus Lea = U. obliquata Rafinesque. 



546 pyramidatus Lm = U. rubra Rafinesque. 



546 lachrymosuB Lea = U. metanevra Rajinesque f 



U. metanevra Rafines<iue, is not U. quadrula. 



546 asperrimus Lea = U. rugosus Barnes. 



546 brevidens A>ea = U. depressa Rajinesque. 



546 varicosus Lea = U. esopus Green. 



Conrad. — On some New Fossil and Recent Shells of the 

 United States: by T. A. Conrad. (Am. Journ. Sci., 0. S., 

 xxiii, No. 2, pp. 339-346. Date of title-page, Jan, 1833.; 



