NORTH AMERICAN CONCHOLOGY. 15 



Anonymous. — 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. 

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

 American Journal of Geology and Natural Science, vol. i, No. 

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



Investigator. — 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 TJnio occidens Lea = TJ. ventricosus Barnes. 



544 oriens Lea = TJ. dehiscens Say. 



544 trapezoides Lea = TJ. interruptus Say. 



544 multiplicatus Lea = TJ. heros Say. 



544 ellipsis Lea = TJ. olivaria Rafinesque. 



545 irroratus Lea = TJ. stegaria var. Rafinesque. 

 545 planulatus Lea = TJ. fasciolaris Rafinesque. 

 545 circulus Lea = TJ. striata var. rosea Rafinesque. 



U. orbiculatus ") 



torsus \ are also remarked on. 



rotundata ) 

 545 patulus Lea = TJ. cuneata Rafinesque. 



545 rubiginosus Lea = TJ. flava Rafimsque. 



546 donaciformis Lea = TJ. truncata Rafinesque. 

 546 securis Lea = TJ. depressa Rafinesque. 



546 pustulosus Lea = TJ. bullata Rafinesque. 



546 pustulatus Lea = TJ. nodosa Rafinesque. 



546 soleniformis Lea = TJ. monodonta Say. 



546 perplexus Lea = TJ. gibbosa Rafinesque. 



546 pileus Lea = TJ. flexuosus Rafinesque. 



546 sulcatus Lea = TJ. obliquata Rafinesque. 



546 pyramidatus Lea = TJ. rubra Rafinesque. 



546 lachrymosus Lea = TJ. metanevra Rajinesquet 



U. metanevra Rafinesque, is not U. quadrula. 



546 asperrimus Lea = TJ. rugosus Barnes. 



546 brevidens Lea = TJ. depressa Rafinesque. 



546 varicosus Lea = TJ. 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.) 



