THE 



TERRESTRIAL 



AIR-BREATHING MOLLUSKS 



OF 



THE UNITED STATES, 



AND THE 



ADJACENT TERRITORIES OF NORTH AMERICA. 



VOL IV. 



BY 



W. G. BINNEY, 



MEMBER OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA. CORRE- 

 SPONDING MEMBER OF THE BOSTON SOCIETY OF NATURAL HISTORY, 

 THE NEW YORK LYCEUM OF NATURAL HISTORY, THE 

 ST. LOUIS ACADEMY OF SCIENCE, &C. 



BOSTON: 



FROM THE BOSTON JOURNAL OF NATURAL HISTORY, VOL. VII. 

 NEW YORK: B. WESTERMANN, 440 BROADWAY. 



LONDON: TRUBNER & CO. 60 PATERNOSTER ROW. 

 M DCCC LIX. 



