Published monthly by the 



New York State Education Department 



BULLETIN 363 DECEMBER I90S 



New York State Museum 



John M. Clarke Director 

 Bulletin 98 



MINERALOGY 4 



CONTRIBUTIONS FROM THE MINERALOGIC 

 LABORATORY 



BY 



H. P. WHITLOCK 



PAGE 



Minerals from Rondout, Ulster co. 5 

 Calcite from Union Springs, 

 Cayuga co 10 



PAGE 



Calcite from Howes Cave 16 



Datolite from Westfield, Mass... 19 

 Explanation of plates 23 



