/ Lj-H^-^- ^. 



HewJ ^(r>^KCSH+j€^ M ^^uvbV \\\b\wv^ S^xu^q^. 



PALEONTOLOGY 



OF 



NEW- YORK. 



VOLUME II. 



CONTAININa DESCRIPTIONS OF THE ORGANIC REMAINS 01 THE LOWER 

 MIDDLE DIVISION OF THE NEW- YORK SYSTEM, 



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



BY JAMES HALL. 



ALBANY: 



PRINTED BY C. VAN BENTHUYSEN. 



1852. 



