REPORT OF THE DIRECTOR 1 9 1 7 J J 



Sphalerite in calcite geodes, Illinois-Iowa . . . . 7 



Rutile on quartz geodes, Illinois-Iowa 4 



Rutile on calcite geodes, Illinois-Iowa . . . • ' 1 



Calcite on quartz geodss, Illinois-Iowa 5 



Aragonite on quartz geodes, Illinois-Iowa 1 



Calcite and chalcedony geodes, Illinois-Iowa : 1 



Pyrite on calcite geodes, Illinois-Iowa 1 



Pyrite on quartz geodes, Illinois-Iowa I 



McCray, H. E., Denver, Col. 



Ferberite, Nederland Tungsten dist., Boulder co., Col 1 



Canfield, Frederic A., Dover, N. J. 



Calcite, Paterson, N.J. 1 



Pyrite, Japan 1 



Gilbert, Fitch, jr, Butternuts 



Lot of pyrite concretions, Butternuts, Otsego co., N. Y 150 



Hewitt, F. S., Coeymans 



Limonite pseudomorphs after pyrite nodules, Coeymans, N. Y 7 



Hindshaw, H. H., Alpena, Mich. 



Aragonite, Cavetown, Md 1 



Ankerite on siderite, Alpena, Mich 2 



Bethlehem Steel Company, through Mr W. L. Cummings 

 Special steels for war minerals exhibit 



Metallic manganese ' 



Metallic nickel 



Metallic molybdenum 



Metallic tungsten 



Manganese steel 



High speed tool steel 



Magnet steel 



Finished automobile magnet 



English ferro -tungsten 



Ferro- vanadium 



Ferro-uranium 



Ferro-chrome 



Penrose, R. A. F., jr, Philadelphia, Pa. 



Carnotite, Gateway Mining dist., Grand co., Utah 



Carnotite, Paradox Valley, Montrose co., Col 



Leininger, Peter A., Long Island City 



Galena, Bernalillo co., N. M 1 



Galena and fluorite, Bernalillo co., N. M 4 



Mallery, Wiilard, Los Angeles, Cal. 



Fayalite, San Bernardino co., Cal 2 



Jones, W. W., Albany 



Sphalerite and quartz, DeKalb, N. Y 1 



King, E. W., East Chatham 



Epsomite on shale, East Chatham, N. Y 1 



