PALEONTOLOGY 
5t I 
nh 
NEW-IORK, 
VOLUME I. 
CONTAINING DESCRIPTIONS OF THE ORGANIC REMAINS OF THE LOWER 
DIVISION OF THE NEW-YORK SYSTEM, 
(EQUIVALENT OF THE LOWER SILURIAN ROCKS OF EUROPE.) 
BY JAMES HALL. 
ALBANY : 
PRINTED BY C. VAN BENTHUYSEN. 
1847. 
