WEEKS. 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
325 
Silurian— Continued. 
Mississippi Valley— Continued. 
The Ozark Uplift, Broadhead, 607. 
The St. Peter sandstone, James, 2890. 
Upper limit of the Lower Silurian, Hubbard, 
2794. 
Upper Silurian in Iowa, Wilson, 6264. 
Wabash arch, the, Thompson, M., 5370. 
Wabash County, Ina., Elrod and Benedict, 
1666. 
Western division, geology of, Thompson, W. 
H., 5378. 
New England and New York. 
A study of Bird Mountain, Vermont, Dale, 
1257. 
Brine springs and salt wells, Luther, 3603. 
Calcif erous of the Mohawk Valley, New York, 
Cleland, 1012 
Collections of New York State Museum. Mer- 
rill, 3935. 
Contribution to the geology of Maine, Greg- 
ory, 2166. 
Description of faulted region, Darton, 1322. 
Devonian shales, Ries, 4623. 
Geology of Clinton County, Cushing, 1245. 
Geology of crystalline rocks, Merrill, 3936. 
Geology of eastern Berkshire County, Mass., 
Emerson, 1678. 
Geology of Erie County, Bishop, 448. 
Geology of Essex County, Kemp, 3003. 
Geology of Hamilton, Warren, and Washing- 
ton counties, N. Y., Kemp, Newland, and 
Hill, 3022. 
Geology of Maine, Williams, 6190. 
Geology of New Hampshire, Hitchcock, 2615. 
Geology of Old Hampshire County, Mass., 
Emerson, 1 077. 
Geology of Onondaga County, Luther, 3602. 
Geology of Orange County, Ries, 4622. 
Geology of Seneca County, Lincoln, 3512. 
Geology of the Green Mountains, Pumpelly, 
4506. 
Geology of Vermont, Adams, 5. 
Glacial sculpture in western New York, Gil- 
bert, 2014. 
Glen Falls, N. Y., section of the Lower Ordo- 
vician, White, 6071. 
Green Mountain region, Emerson, 1669. 
Hawley sheet, Emerson, 1668. 
Holyoke folio, Emerson, 1676. 
Hoosatonic Valley, geologic structure of, 
Hobbs, 2636. 
Lower Silurian formations, Prosser and Cum- 
ings, 4494. 
Lower Silurian of eastern Montgomery 
County, N. Y., Cumings, 1220. 
Maine, Upper Silurian strata ox, Dodge and 
Beecher, 1522. 
Mount Washington, geologic structure of, 
Hobbs, 2635. 
Oceanic current in Utica epoch, Ruedemann, 
4689 
On the structure of the ridge between the 
Taconic and Green Mountains, Dale, 1252. 
Ordovician and Eo-Silurian rocks in New 
York, White, 6070. 
Paleozoic terranes in Connecticut Valley, 
Hitchcock, 2614. 
Silurian— Continued. 
New England and New York— Continued. 
Rensselaer grit plateau, Dale, 1251. 
Section at Schoharie, N. Y., Stevenson, 5230, 
5231. 
Section of formations along the northern end 
of the Helderberg Plateau, Prosser, 4499. 
Siluro-Devonic contact in Erie County, N. Y., 
Grabau, 2090. 
Siluro-Devonian contact in western New 
York, Grabau, 2084. 
Slate belt of New York and Vermont, Dale, 
1256. 
Stockbridge limestone, Dale, 1250. 
Stratigraphic geology of the eastern Helder- 
bergs, Prosser and Rowe, 4498. 
stratigraphy of the Mohawk Valley and Sar- 
atoga County, N. Y., Prosser, 4500. 
Washington limestone, Richardson, 4589. 
Rock;/ Mountain region. 
Absaroka folio, Wyoming, Hague, 2236. 
Castle Mountain district. Weed and Pirsson, 
5935. 
Fort Benton folio. Montana, Weed, 5945. 
Geological reconnoissance in northwest Wyo- 
ming, Eldridge, 1624. 
Geology of Aspen mining district, Spurr, 5175. 
Geology of Gallatin Mountains, Wyoming, 
Iddings and Weed, 2852. 
Geology of Helena. Griswold, 2202. 
Geology of Judith Mountains, Weed and Pirs- 
son, 5942. 
i reology of Sangre deCristo range, Van Diest 
5676. 
Geology of South Dakota, Todd, 5407. 
Geology of Teton range, Wyoming, Iddings 
and Weed, 2853. 
Geology of the Little Belt Mountains. Weed, 
5953. 
Geology of the Little Rocky Mountains, Weed 
and Pirsson, 5939. 
Little Belt Mountains folio, Montana, Weed, 
5946. 
Pikes Peak folio, Cross, 1187. 
Pueblo folio, Gilbert, 2005. 
Sedimentary rocks, Weed, 5930. 
silver mines of Lake Valley, New Mexico 
Clark, E., 889. 
Tenmile folio, Emmons. 1712. 
Vertebrate fauna in, Silurian, Walcott, 5780. 
Sierra Nevada and Pacific Coast region. 
Geological notes on the Sierra Nevada, Tur- 
ner, 5453. 
Geology of Sonora, Mexico, Dumble, 1573. 
Lassen Peak folio, California, Diller, 1502a. 
Taylorsville, geology of, Diller, 1496. 
South Carolina. 
Artesian well prospects, Darton, 1313. 
Cuspate capes of the Carolina coast, Abbe, 1. 
Gold fields, Spartanburg, Ladshaw, 3304. 
Gold fields of the southern Appalachians, 
Becke:, 336. 
Gold mining in southern Appalachians, Nitze 
and Wilkens, 4112. 
Gold mining in southern Appalachian States, 
Thies, 5364. 
Gold mining in the Appalachians, Nitze and 
Wilkens, 4109. 
