

CONTRIBUTIONS TO CONCHOLOGY.-VOL 3. 



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OF THE 



SPECIES 



OP 



STREPOMATID^ 



CMELANIANS) 



OF THE UNITED STATES; 



WITH CRITICAL OBSERVATIONS ON THEIR AFFINITIES, 



AND 



DESCRIPTIONS OF LAND, FRESH WATER AND MARINE 



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BY GEORGE W. TEYON, JR., 



HBHBEK OF THB ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA, CORRESPONDIJCO MEMBBR 



OF THE BOSTON SOCIETT OF NATURAL HISTORY, THE NEW YORK LYCEUM OP NATURAL 



HISTORY, THB CALIFORNIA ACADEMY OF NATURAL SOIENCES, StC. 



NEW YORK: 

 Bailliere Brothers, 520 Broadway. 



LONDON: ±1^^ 



H. Bailliere, 219 Regent Street. ^ \ 



PARIS : 

 J. B. Bailliere et Fils, Rue Hautepeuille. 



MADRID : 

 C Bailly-Bailliere, Calle del Principb. 



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