WEEKS.] 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
333 
Texas— Continued. 
Volcanic dust in Texas, Durable, 1569. 
Volcanic dust in Texas, Turner, 5461. 
Trinidad. 
Oceanic deposits of Trinidad, Harrison and 
Jukes-Browne, 2324. 
Utah. 
Abrasive materials, Parker. 424*. 
Antecedent Colorado, Jefferson, 2902. 
Apatite and magnetite beds, association of, 
Blake, 452. 
Camp Floyd district, Utah, Hills, 2595. 
Camp Floyd district, Utah, Neill, 4072. 
Camp Floyd mining district, Gemmell, 1963. 
Coal fields of Utah, Forrester, 1874. 
Colorado Canyon district, Davis, 1390. 
Contributions to paleontology, Lucas, 3584. 
Economic geology of the Mercur mining dis- 
trict, Utah, Spurr, 5171. 
Flora of the Montana formation, Knowlton, 
3264. 
Fossil mammals of the Uinta Basin, Osborn, 
4190. 
Gazetteer of Utah, Gannett, 1943. 
Genesis of ore deposits, Posepny, 4421. 
Geological distribution of useful metals in the 
United States, Emmons, 1699. 
Geology of Mercur mining district, Utah, 
Emmons, 1704. 
Geology of Tintic district, Tower and Smith, 
5445. 
Gold, age of limestone strata and occurrence 
of, Blake, 450. 
Gold mines of Mercur, Maguire, 3631. 
Great Salt Lake and Lake Bonneville, Gilbert, 
1988. 
Great Salt Lake Valley. Gilbert, 1989. 
Gypsum crystal from Utah, Moses, 4031. 
Igneous phenomena in Tintic Mountains, 
Smith, 5028. 
Insects from Colorado and Utah, Scudder, 824. 
Laccolitic mountain groups of Colorado, Utah, 
and Arizona, Cross, 1186. 
Laramie and related formations, Stanton and 
Knowlton, 5203. 
Mercur gold deposits, Moeller, 4020. 
Mercur mining district, Lakes, 3310. 
Natural bridge in Utah, Winslow, 6899. 
Natural sodium salts, 1'ackard, 4233. 
North American deserts, YValther, 5832, 5833. 
Old Telegraph mine, Fenner, 1810. 
Old Telegraph mine, Lavagnino, 3405. 
On bixbyite, Penfield and Foote, 1315. 
Oolite, on the formation of, Rothpletz, 4667. 
Origin of Green River, Emmons, 1709. 
Ostracoda, Jones, 2934. 
Ozokerite, Only, 4133. 
Past eruptions in the Rocky Mountains. Hills, 
2590. 
Precious stones, Kunz, 3295. 
Public lands and their water supply, Newell, 
4085. 
Reptilia of the Baptanodon beds, Marsh, 3693. 
Selenite, occurrence of, Talmage, 5296. 
Silver-bearing sandstones of southern Utah, 
Maguire, 3635. 
Spanish Fork Canyon to Grand Junction, 
Emmons, 1691. 
Utah— Continued. 
Stratigraphic relation of the Brown Park 
beds, Irving, 2865. 
The hydrocarbons of eastern Utah, Maguire, 
3636. 
The onyx marbles, Merrill, G. P., 3944. 
Tintic special folio, Utah, Emmons, 1717 
Tintic special folio, Utah, Smith, 5032. 
Tintic special folio, Utah, Tower, 5446. 
Topaz crystals, Jones, A. J., 2928. 
Uintaile deposits of Utah, Eldridge, 1626. 
Uintaile in Utah, Eldridge, 1627. 
Variscite from Utah, Packard, 4235. 
Volcanic dust in Utah and Colorado, Mont- 
gomery, 4025. 
Wasatch Mountains, Emmons, 1690. 
Vermont. 
A study of Bird Mountain, Dale, 1257. 
Basaltic bowlders from Vermont, Hovey, 2765. 
Cambrian faunas, Matthew, 3776. 
Camptonite dikes near Dandyborough, Vt. 
Marsters, 3726. 
Dike rocks, Bascom, 285. 
Dynamic and metasomatic phenomena, Whit- 
tle, 6120. 
F< issils from the Trenton of Highgate Springs, 
Vt., Ami, 91. 
[Genesis of ore deposits] , Cazin, 783. 
Geology of Vermont, Adams, 5. 
Gold fields of the southern Appalachians, 
Becker, 336. 
Gotham's cave in Vermont, Hitchcock, 2616. 
Green Mountain region, Dale, 1255. 
Green Mountains anticlinal, Hitchcock, 2606. 
Kaolin in Vermont, Xevius, 4074. 
Manganese, Weeks, 5966. 
New fossil localities, Foerste, 1831. 
New species of Silurian fossils.Whitfield, 6106. 
Occurrence of Algonkian rocks in Vermont, 
Whittle, 6121. 
On the structure of the ridge between the 
Taconic and Green mountains. Dale, 1252. 
Ottrelite-bearing phase of metamorphic con- 
glomerate, Whittle, 6119. 
Paleozoic intraformational conglomerates, 
WalCOtt, 5794. 
Paleozoic terranes in Connecticut Valley, 
Hitchcock, 2614. 
Pleistocene history of Champlain Valley, 
Baldwin, 222. 
Plicated cleavage foliation, Dale, 1249. 
Report of State Geologist, 1899-1900, Perkins, 
4352a. 
Slate belt of New York and Vermont, Dale, 
1256. 
Stockbridge limestone, Dale, 1250. 
Stone, Day, 1466. 
Stratigraphic base of the Cambrian, Winchell, 
N. H., 6307. 
Stratigraphy of certain homogenous rocks, 
Hitchcock, 2618. 
Structure of the main axis of the Green Moun- 
tains, Whittle, 6122. 
Summer's work in geology on Lake Cham- 
plain. Van Ingen and White. 5715. 
Washington limestone, Richardson, 4589. 
