118 BULLETIN 12, UNITED STATES NATIONAL MUSEUM. 



C^U) Maguctite aiid apatite. Miuevillc Miue, " Nolaud's Shaft'". July 6, 1881. 

 (40895.) 



(•21) Magnetite and apatite. Miucville Miufi, ''Potts Shaft". July 7, 1881. 

 41961.) 



(*22) Magnetite, cleavable, decomposed silicates; surface ore. Mineville Mine No. 

 21. May 27, 1881. (40901.) 



(23) Magnetite, cleavable, decomposed silicates; surface ore. Mineville Mine No. 

 21. May 27, 1881. (40900.) 



(24) Magnetite, shows cleavage. Mineville Mine No. 21. July 0,1881. (40902.) 



(25) Magnetite, containing apatite. Mineville Mine, Miller Pit. July 0, 1881. 

 (40906.) 



(26) Magnetite, apatite, and quartz. Mineville Mine, "Teft Shaft." July 7, 1881. 

 (40898.) 



(27) Magnetite, containing apatite. Mineville Mine, " Teft Shaft." July 7, 1881. 

 (40905.) 



(28) Magnetite and quartz. Hammouville Mine, Crown Point. June 29, 1881. 

 (40892.) 



(29) Magnetite and quartz. Hammonville Mine No. 8, Crown Point. June 29, 

 1881. (40894.) 



(30) Magnetite and quartz. Hammonville Mine, Crown Point. June 29, 1881. 

 (40891.) 



WASHINGTON COUNTY. 



(1) Magnetite, containing quartz. Potter Mine, Fort Ann. May 5, 1881. (40952.) 



(2) Magnetite and quartz. Potter Mine, Fort Ann, May 5, 1881. (40950.) 



(3) Magnetite, containing micaceous silicates. Mount Hope Mine, Fort Ann. May 

 7, 1881. (40951.) 



ST. LAWRENCE COUNTY. 



Four specimens represent the Jayville Mine, Fine; taken June 22, 

 1881: 



(1) Magnetite, pyroxene. (40857.) I (3) Magnetite. (40855.) 



(2) Magnetite, pyrite. (40872.) | (4) Magnetite. (40860.) 



Five specimens represent the Gouvernear district; taken June 21, 

 1881: 



(1) Hematite, quartz. Caledonia Mine, Fox Pit. (40853.) 



(2) Hematite. Caledonia Mine, Dillmann's Pit. (40871.) 



(3) Hematite. Caledonia Mine, Dillmann's Pit. (40859.) 



(4) Hematite, chalcopyrite, quartz. Caledonia Mine. (40861.) 



(5) Hematite, containing calcite. Keene Mine. (408.58.) 



JEFFERSON COUNTY. 



Six specimens represent the Old Sterling Mine, Antwer|: 



(1) Very impure hematite. June 23, 1881. (43745.) 



(2) Hematite, containing calcite. June 23, 1881. (43744.) 



(3) Hematite, quartz. June 23, 1881. (43743.) 



(4) Hematite. June 21, 1881. (40869.) 



(5) Decomposed mica. June 20, 1881. (43741.) 



(6) Slickenside. June 20, 1881. (43742.) 



(1) Hematite. Shurtliff Mine, Philadelphia. June 22, 1881. (40825.) 



