120- BULLETIN 42, UNITED STATES NATIONAL MUSEUM. 



(11) Magnetite, serpeutine, decomposed prodiicta; from centre of vein. (40804 ) 



(12) Magnetite, (40798.) 



(13) Magnetite, containing serpentine, rnd decomposition products. (4080.').) 



(14) Magnetite. (40802.) 



(15) Magnetite. (40803.) 



(16) Magnetite, serpentine, decomposition products. (4082G.) 



(17) Magnetite, chlorite. (40808.) 



(18) Magnetite, chondrodite, decomposition products. (40817.) 



(19) Magnetite. (40799.) 



(20) Magnetite, chlorite. (40800.) 



(21) Magnetite and chondrodite. (40807.) 



(22) Gangue, containing some magnetite. (40791.) 



(23) Chloritic rock, containing a little magnetite. (40796.) 



(24) Chloritic rock. (43731.) 



(25) Chlorite, showing slickeuside, from hanging wall. (43728.) 



(26) Ciiloritic rock, from foot wall. (43733.) 



(27) Chloritic rock, from foot wall. (43723.) 



(28) Country rock. (43735.; 

 • (29) Country rock. (43729.) 



(30) Country rock. (40789.) 



ORANGE COUNTY. 



The magnetites of Orange County are represented by seven speci- 

 mens : 



(1) Magnetite, containing pyrite and chalcopyrite. Hogav Camp Mine, Monroe 

 Julys, 1880. (40910.) 



(2) Magnetite, cleavable. Hogan Camp Mine, Monroe. July 8, 1880. (40917.) 



(3) Magnetite, containing pyrrhotite, chalcopyrite, and chlorite. Redback Mine 

 Monroe. June 22, 1880. (40919.) ' 



(4) Magnetite, quartz, feldspar. Forest of Dean Mine, Monroe. July 9 1880 

 (40924.) ' 



(5) Magnetite, fine grained. Forest of Dean Mine, Monroe. July 9, 1880. (40926.) 



(6) Magnetite, quartz, feldspar. Forest of Dean Mine, Monroe. July 9 1880 

 (40913.) ' ' 



(7) Impure magnetite. Lake Mine, Warwick. June 22. 1880. (40920.) 



RICHMOND COUNTY. 



The ores on Staten Island, Richmond County, are represented by 

 eight specimens, the first four from Tyson's Four Corners Mine, and the 

 la.st four from Tyson's Hill Mine, taken July 31, 1880 : 



(1) Limonite. (40933.) 



(2) Limonite. (40930.) 



(3) Limonite, red ochre; used for paint 



(40606.) 



(4) Limonite, red ochre; used for paint. 

 (40953.; 



(1) Serpentine, below the ore. (40934.) 



(2) Limonite, small, globular. (40932.) 



(3) Limonite. (40929.) 



(4) Limonite. (40931.) 



NEW JEIiSEY. 

 SUSSEX COUNTY. 



(1) Magnetite, containing quartz. Roberts Mine, Sparta. April 17, 1880. (41454.) 



(2) Magnetite. Roberts Mine, Sparta. April 17, 1880. (41457.) 



(3) Magnetite, containing quartz. Roberts Mine, Sparta. April 17, 1880. (41453.) 



