ELEMENTARY NATURAL HISTORY SERIES 



No. 2 



o 



TC P V 



mr\ ^TJT? 



UPPER DEVONIAN 



OF SOUTHERN 



NEW YORK 



•ft -X X 



Designed for Teachers and Students 

 In Secondary Schools 



o 



BY 



Gilbert Dennison jjarris 



Assistant Professor, Paleontology and StraHgraphic Geology, 



Cornell University, 

 Geologist to the State of Louisiana, 

 Member of the Geological Society of France 



Ithaca: 

 Harris Co. 



si 



