14 NEW YORK STATE MUSEUM 



eral lines. The plan of placing group and explanatory labels 

 throughout the exhibited material has been developed to a con- 

 siderable extent. The large collection of duplicate mineral 

 material formerly stored in various places throughout the build- 

 ing has been assembled, sorted and classified, so that duplicate 

 specimens are now readily available. 



Additions to the mineral collections have been made by several 

 field excursions, among which may be mentioned in particular a 

 collecting trip to the mines of the Newark Cement Co. at Rondout, 

 which resulted in the acquisition of a large and complete series 

 of calcite and associated minerals from that localitv. 



