COLLECTIONS IN ECONOMIC GEOLOGY AND MKTAI.LUKGY. 137 



(10) Impure hematite. Lake Superior Mine. December 13, 1879. (4lfi04.) 



(11) Hematite. Lake Superior Mine, N(!--aimee. December 8, 1879. (41605.) 



(12) Hematite. Lake Superior Mine, Negannee. December H, 1879. (41(507.) 



(13) Limouite. I^ake Superior Mine, Negauuee. December 13, 1879. (41000.) 



(14) Hematite. IJarnum Miue, Negauuee. Deceuiber H, 1879. (41596.) 



(15) Hematite. Hariium Miue, Negaunee. December (i, 1879. (41592.) 



(16) Hematite, in coarse folia. Baruuin Miue, Negaunee. December 8, 1H79. 



(17) Impure magnetite and pyrite. Saginaw Mine, Negaunee. December 11, 1879. 



(41588.) 



(18) Martite, scvsquioxide of iron pseudomorpli after magnetite. Saginaw Mine, 

 Negaunee. December 11, 1879. (41.587.) 



The following- specimens are from the Negaunee Range: 



(1) Impure h^uuitite. McComber Miue, Negaunee. December 16, 1879. (41559.) 



(2) Linumite, surface specimen. Cambria Mine, Negaunee. December 13, 1879. 



(41565.) 



(3) Hematite, specular ore. Republic Miue. Michigamme. December 5, 1879. 



(41511.) 



(4) Magnetite. Republic Mine, Michigamme. December 5, 1879. (41512.) 



(5) Magnetite. Humboldt Mine, Michigamme. December 12, 1879. (41503.) 



(6) Hematite, specular ore. Champion Miue, Michigamme, December 6, 1879. 



(41548.) 



(7) Magnetite, crystalline, granular. Champion Mine, Michigamme. December 



6, 1879. ".41546.) 



(8) Magnetite. Keystone Mine, Michigamme. December 11, 1879. (41553.) 



(9) Magnetite, coarse grained. Keystone Miue, Michigamme. December 11, 1879. 



(41551.) 



(10) Hematite, coarsely micaceous, as a vein in martite or sesquioxide of iron psea- 

 domorph after magnetite. Michigamme Mine, Michigamme. December 9, 1879. 



(41517.) 



(11) Impure magnetite. Michigamme Mine, Michigamme. December 9, 1879. 



(41518.) 



(12) Magnetite. Edwards Mme, Michigamme. December 9, 1879. (41543.) 



(13) Magnetite, crystalline, granular. Edwards Mine. December 9,1879. (41.540.) 



(14) Magnetite. Spur Mountain Miue, Michigamme. Decembers, 1879. (4150().) 



(15) Manganese ore. Manganite. Manganese Miue, Negaunee. December IG, 

 1879. (41.563.) 



The following specimens represent the Menominee district : 



(1) Hematite. Vulcan Mine. December 17, 1879. (41642.) 



(2) Hematite. Vulcan Mine, Pit No. 1. December 12, 1879. (41650.) 



(3) Hematite. Norway Mine. December 17, 1879. (41631.) 



(4) Hematite, containing calcite. Norway Mine. December 17, 1S79. (41638.) 

 f5) Hematite. Norway Mine. December 17, 1879. (41639.) 



(6) Hematite. Cyclops Mine. December 2, 1879. (41(577.) 



(7) Hematite. Cych)p8 Mine. December 17, 1879. (41838.) 



(8) Hematite. Quinnesec Miue. December 17, 1879. (41624.) 



(9) Hematite. Quinnesec Mine. December 17, 1879. (41623.) 



(10) Impure hematite. Quinnesec Miue. December 17, 1H79. (41619.) 



(11) Hematite. Chapiu Miue. December 2, 1879. (41651.) 



(12) Hematite. Emmett Mine. December 17, 1879. (41679.) 



(13) Limouite. Emmett Mine. December 17, 1879. (41678.) 



(14) Hem.atite. McKenna Mine. December 10, 1879. (41667.) 



(15) Hematite, banded. Saginaw Mine. December 11, 1879. (41612.) 



