weeks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1901. 123 
Minerals described — Continued. 
Hornblende, Blasdale, 66. 
Hortonolite, Brush, 84. 
Ilmenite, Chester, 136. 
Leadhillite, Rogers, 655. 
Ledouxite, Richards, 645. 
Lepidolite, Hoffmann, 381. 
Leucophoenicite, Penfield and Warren, 603. 
Linarite, Rogers, 655. 
Lithiophilite; Brush and Dana, 88, 90. 
Marcasite, Chester, 136. 
Marcasite, Stokes, 729. 
Meteoric iron, Pratt, 621. 
Meteorite, Barbour, 41. 
Meteorite, Charlton, 134, 136. 
Meteorite, Farrington, 267, 268, 269, 270. 
Meteorite, Merrill, 544a. 
Meteorite, Merrill and Stokes, 546. 
Mohawkite, Richards, 645. 
Mordenite, Pirsson, 615. 
Nasonite, Penfield and Warren, 603. 
Natron, Hoffmann, 380. 
Natrophilite, Brush and Dana, 92. 
Newberryite, Hoffmann, 381. 
Northupite, Pratt, 623. 
Octahedrite, Robinson, 654. 
Pearceite, Penfield, 596. 
Pectolite, Eakle, 250. 
Pectolite, Moses, 558. 
Phlogopite, McNairn, 517. 
Pirssonite, Pratt, 623. 
Pollucite, Wells, 809. 
Pureaulite, Brush and Dana, 92. 
Pyrite, Rogers, 655. 
Pyrite, Stokes, 729. 
Pyroxene, Moses, 558. 
Realgar, Moses, 558. 
Reddingite, Brush and Dana, 89, 92. 
Roscoelite, Lindgren, 497. 
Schorlomite, Hoffmann, 381. 
Spangolite, Penfield, 595. 
Sperrylite, Wells, 808. 
Spodumene, Brush and Dana, 91. 
Spodumene, Hoffmann, 381. 
Struvite, Hoffmann, 381. 
Sussexite, Brush, 85. 
Tetrahedrite, Chester, 136. 
Topaz, Rogers, 655. 
Tremolite, Blasdale, 66. 
Triploidite, Brush and Dana, 88. 
Tysonite, Allen and Comstock, 11. 
Uranophane, Hoffmann, 381. 
Vermiculite, Chester, 136. 
Vesuvianite, Moses, 558. 
Wellsite, Pratt and Foote, 624. 
Zircon, Eakle, 250. 
Minnesota. 
Constituents of Minnesota soils, Hall, 331. 
Glacial lakes of Minnesota, Winchell, 843. 
Keewatin area of eastern and central Minne- 
sota, Hall, 333. 
Keeweenawan area of eastern Minnesota, 
Hall, 332. 
Iron-ore deposits of the Lake Superior region, 
Van Hise, 759. 
Lower Silurian fauna of Minnesota, Sarde- 
son, 677. 
Minnesota— Continued. 
Lower Silurian formations of Wisconsin and 
Minnesota, Sardeson, 676. 
Paleozoic fossils in the drift, Sardeson, 675. 
Mississippi. 
Historical outline of the geological and agri- 
cultural survey of the State of Mississippi, 
Hilgard, 368. 
Missouri. 
Age of the Kansan drift sheet, Hershey, 364. 
Cambrian fossils of St. Francois County, 
Beecher, 52. 
Correlation of the Kinderhook formations, 
Weller, 801. 
Eurypterid remains in the Cambrian, 
Beecher, 53. 
Fossils from the Upper Paleozoic rocks, Row- 
ley, 658. 
Galena-Joplin lead and zinc district, Ha- 
worth, 350. 
Geological Surveys in Missouri, Broadhead,78. 
Geology and mineralogy, Broadhead, 79. 
Limestone conglomerate in the lead region, 
Nason, 560. 
Nomenclature of the Cambrian formations of 
the St. Francois Mountains, Keyes, 429. 
Origin of Joplin ore deposits, Bain, 38. 
Relations and age of the St. Joseph and 
Potosi limestones, Nason, 561. 
Montana. 
Fossil mammalia of White River beds, Doug- 
lass, 234a. 
Missourite, a new leucite rock, Weed and Pirs- 
son, 799. 
New species of Merycochoerus, Douglass, 234. 
Note on certain copper minerals, Winchell, 
842. 
Oil of the northern Rocky Mountains, Willis, 
834. 
Petrography of Square Butte, Pirsson, 616. 
Petrography of Yogo Peak, Pirsson, 617. 
Shonkin Sag and Palisade Butte laccoliths in 
the High wood Mountains, Weed and Pirs- 
son, 798. 
Nebraska. 
Concretions of the Pierre shale, Barbour, 40. 
Dakota and Carboniferous clays of Nebraska, 
Gould and Fisher, 305 
Dakota Cretaceous of Kansas and Nebraska, 
Gould, 301 
Fauna of the Permian, Beede, 55. 
Meteorites of Nebraska, Barbour, 41. 
Report of State Geological Survey, Bar- 
bour, 42. 
Value of bluff and valley wash deposits as 
brick material, Fisher, 273. 
Nevada. 
A new fossil cyprinoid, Leuciscus turned, 
Lucas, 504. 
Geology of the Great Basin, Turner, 744. 
Mines of Esmeralda County, Turner, 746. 
Notes on two desert mines, Emmons, 262. 
Occurrence of tungsten ore, Weeks, 800. 
Pyramid Lake, Fairbanks, 264. 
Santa Fe mining district, McCormick, 515. 
Tonopah, Knapp, 444. 
Variations of texture in Tertiary igneous rocks 
of the Great Basin, Spurr, 724. 
