»- J- rf^\ V/- „^r%,t^^ /'^ XT'' 

 PAPERS 



lORTH AMERICAN HELICIDiE, 



THE GEOGRAPHICAL DISTRIBUTION OF WEST INDIA 

 LAND SHELLS./ 



THOMAS BLAND, F.G.S., LONDON, 



MEMIiER OF THE LYCE0M OF NATURAL HISTOEY, NEW YORK; CORRESPONDING MEMBER OF THE 

 ACADEMY OF NATURAL SCIENCES, PHILADELPHIA, ETC. 



NOTICE OF LAND AND FRESHWATER SHELLS FROM 

 THE ROCKY MOUNTAINS. 



K <^ tSeiisasm, of Moilxisk^ 



T. BLAND AND Dr. J. G. COOPEE. 



Sectiaoal libxcay 



REPRINTED FROM THE ANNALS OP THE LYCEUM OF NATURAL HISTORY, NEW YORK, 



VOLS. VI. AND VII. 



NEW YORK: ;l 



BAILLlfiRE BROTHERS, 440 BROADWAY. A 



LONDON:— H. BAILLIERE, 219 REGENT STREET. '\ 



i 



PAEIS : J. B. BAILLIEEE ET FILS, RUE HAUTEFEUILLE. 



MADRID: — C. BALLLY-BAILLIEKE, CALLE DEL PKINCIPE. '\ 



1862. 



