129 



list oi" Shells I'ound iioar Troy, N. Y.," ■which avjis embodied in the 

 Twenty-second Annual Ixo]iort on the State Cabinet of Natural 

 History. 



The writer ol' this i)aper has at various times prepared cataloffuos 

 of the shell-bearing Molluscs of Herkimer and adjacent counties. 

 He has also enjoyed correspondence Avith many active collectors 

 whose manuscripts and specimens (hitherto luirecorded) have, with 

 the preceding, contributed toAvard the present paper. 



Among the gentlemen to Avhom these acknowledgments are due 

 may be mentioned 



Dr. T. K. Ingalls, late of GreenAvich, Washington county. 



Dr. A. J. Skillton, late of Troy. 



Col. E. JeAvett, Lockport. 



Mr. W. E. Yager, Oneonta. 



Dr. Caleb Green, Homer, Cortland county. 



Dr. Wm. H. BroAvn, Cedarville (formerly of Litchfield, Herkimer 

 county). 



Dr. Hubbard, late of Staten Island. 



Jn addition to these sources of information, it has been necessary 

 to consult various Conchological Avorks of American Avriters. It 

 Avill suffice to mention the folloAving : 



Observations on the Genus Unio, etc., by Isaac Lea, LL. D. 



Synopsis of the Family Naiades, 1870, by Isaac Lea, LL. D. 



Eectification of Conrad's Synopsis (reprint), by Isaac Lea, LL. D. 



Terrestrial Molluscs, by Amos Binney, M. D. 



Writings of Thomas Say (reprint), by W. G. Binney. 



Land and Fresh Water Shells,' by W. G. Binney and Thos. Bland. 



Conchological Journal, G. W. Tryon, Jr. 



Strepomatidae,^ by G. W. Tryon, Jr. 



Corbiculadae,* by Temple Prime. 

 And various fragmentary papers by W. G. Binney and others. 



Not having De Kay's original Avork on the Shells of the State of 

 New York, it Avill be understood that the compiler of this paper 

 has depended almost entirely on original sources of information for 

 all tliat is here presented. 



2 Smithsonian Miscellaneous Collections, Nos. 143, 114, 104. 



3 Sniitlisonian Miscellaneous Collections, No. So-I. 

 * Smithsonian Miscellaneous Collections, No. 145. 



BUL. EVF. see. NAT. SCI. (17) AUGUST, 1874. 



