State Museum of Natural History. 31 



ECONOMIC GEOLOGY. 



By Donation. 

 S. Klaber & Co., No. 47 West Forty-second street, New York city: 



Forty-four specimens of ornamental marble and serpentine; dressed 

 and polished blocks, four and one-half inches by three and one- 

 quarter inches by one inch 



Algeria, Africa, seven specimens. 



•France, nine specimens. 



Belgium, six specimens. 



Italy, nine specimens. 



Spain, one specimen. 



Great Britain, two specimens. 



New York, two. specimens. 



Pennsylvania, one specimen. ' 



Mexico, five specimens. 



Thomas Montague, superintendent Crown Point Iron Company, 

 Hammondville, Essex county: 



Fourteen specimens magnetic iron ore, from company's mines, 

 Hammondville. 



Bigelow Blue Stone Company, Maiden, Ulster county: 

 One block of blue-stone, dressed, nineteen inches by twelve inches by 

 twelve inches. 



Charles Keeler & Son, Trenton, N. J. : 

 One block " Trenton Brown Freestone," six inches by four inches by 

 four inches, dressed. 



James Gazeley, Meuands, Albany county: 

 One block of granite from Baire, Vermont, polished, three inches by 

 three inches by one and one-half inch. 



Burlington Manufacturing Company, Burlington, Vermont: 

 Twelve blocks of marble from quarries in New York State. 



E. A. Lewald, superintendent Mabopac iron mines, Putnam county: 

 Magnetic iron ores from Mabopac iron mine. 



A. Cosgriflf, Tilly Foster, Putnam county: 

 Magnetic iron ores from the Tilly Foster iron mine. 



Bennett Perry, of Troy : 

 Three specimen blocks of granite from the town of Horicon, Warren 

 county. 



Jefferson Iron Company, Antwerp, Jefferson county : 

 Six specimens of red hematite from mines of company. 



