PAL^OiNTOLOGY 



OF 



NE W- YO RK. 



VOLUME II. 



OONTAININa DESCRIPTIONS OF THE ORGANIC REMAINS OF THE LOWER 

 MIDDLE DIVISION OF THE NEW- YORK SYSTEM, 



( EQUIVALENT IN TART TO THE MIDDLE SILURIAN ROCKS OF EUROPE.) 



BY JAMES HALL. 



ALBANY: 



PRINTED BY C. VAN BENTHUYSEN. 

 1852. 



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