WEEKS.] 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
323 
Silurian— Continued. 
Canada— Continued. 
Quebec group, sequence of strata of, Ami, 83. 
Rensselaer grit plateau, Ells, 1645. 
Report for the year 1892, Selwyn, 4912. 
Report on the Eastern Townships map, Ells, 
1649. 
Rockland quarries, Ami, 85. 
Rocks of Trenton age. Whiteaves, 6094. 
Stratigraphic classification, Marcou, 3663. 
Summary report, Dawson, 1421. 
Utica terrane in Canada, Ami, 81. 
Volcanic rocks from Temiscouata Lake, Que- 
bec, Gregory, 2167. 
Appalachian region. 
A new phosphate rock in Tennessee, Safford, 
4732. 
A phosphate prospect in Pennsylvania, Ihl- 
seng, 2857. 
Alabama, geology of, Hayes, 2402. 
Alabama, geology of, Smith, E. A., 5004. 
Amount of glacial erosion. Lincoln, 3511. 
Appalachian history, Willis. 6197. 
Bauxite, Hay.-. 2406, '-'415. 
Briceville folio, Keith, 2963. 
Bristol folio, Virginia-Tennessee, Campbell, 
740. 
Catoctin belt, Keith, 2959. 
Chattanooga folio, Hayes, 2412. 
Chattanooga sheet, Hayes, 2403: 
cha/.y of Lake Champlain, Brainerd and 
Seeley, 523. 
Cleveland folio, Hay.-. 2418. 
Coosa Valley region, MeCalley, 3818. 
Current action in the Ordovician, Etuede- 
mann, 4684. 
Devonian and Silurian, thickness of, in cen- 
tral New York, Prosser, 1 182. 
Devonian and Silurian, thickness of, in west- 
ern New York. Prosser, 4479. 
Drift bowlders between the Mohawk and Sus- 
quehanna rivers, Brigham, 594. 
Estillville folio, Campbell, 724. 
Faults of Chazy Township, N. Y., Cushing, 
1240. 
Faunas of Ordovician strata at Trenton Falls, 
N. Y., White, 6066. 
First Annual Report, Orton, 4158. 
Fluxing rocks of Alabama. MeCalley, ;>820. 
Franklin folio, Darton, 1315. 
Gadsden folio, Hay.-. 2422. 
Gas well sections in Mohawk Valley, Prosser, 
4501a. 
Geologic relations from Green Pond to Skun- 
nemunk Mountain, Darton, 1306. 
Geological excursions of 1895, Clark, 902. 
Geological history of Rochester, Fairchild, 
1774. 
Geological map of Alabama, Smith, E. A., 5009. 
Geology of Albany County, Darton, 1303. 
Geology of Allegany County, Md., O'Harra, 
4129. 
Geology of Clinton County, Cushing, 1239. 
Geology of Coosa Valley, Hayes, 2408. 
Geology of Essex County, White, 6064. 
Geology of Massanutten Mountain, Spencer, 
5114, 5115. 
Silurian— Continued. 
Appalachian region — Continued. 
Geology of Mohawk Valley, Darton, 1305. 
Geology of Ulster County, Darton, 1304. 
Guelph formation, Arey, 116. 
Hematites of Alabama, MeCalley, 3819. 
Iron ore, on the Clinton, Smyth, C. H., 5073. 
Kingston folio, Hayes, 2411. 
Kingston sheet, Hayes, 2404. 
Knoxville folio, Keith, 2960. 
London folio, Campbell, 737. 
Loudon folio, Keith, 2961. 
Lower Silurian deposits, Winchell andUlrich, 
6337. 
McMinnville folio, Hayes, 2420. 
Monterey folio, Darton, 1335. 
Moriah and Westport townships, Essex 
County. N. Y., Kemp, 2987. 
Morristown folio, Keith, 2962. 
Mount Bob, Mount Ida or Snake Hill, Harris, 
T. W., 2321. 
New fossil localities, Focrste, 1831. 
Ohio limestones, Grimsley, 2184. 
Original Trenton rocks, White. 6065. 
Outline of physical features of Maryland, 
Clark, 912. 
Overthrusts, two, in New York, Darton, 1299. 
Paleozoic faunas of northwestern New Jer- 
sey. Van Ingen, 5716. 
Paleozoic group, Spencer, 5124, 
Paleozoic overlaps in Virginia, Campbell, 725. 
Pennsylvania, geology of, Lesley, 3466, 3467. 
Peridotite in New York, Smyth, C. II.. 5072. 
Physical atlas of Maryland, Clark, 919. 
Physiography of Adirondacks, Kemp, 3001. 
Piedmont folio, Darton and Taff, 1318. 
Pikeville folio, Hay.-. 2419. 
Pocahontas folio, Campbell, 729. 
Relations of the Helderberg limestones and 
associated formations, Darton, 1302. 
Rensselaer grit, Dale, 1251. 
Report on Essex County, Kemp, 2979. 
Richmond folio, Campbell, 736. 
Ringgold folio, Hay.-, 2410. 
Ringgold sheet, Hayes, 2405. 
Rochester, strata at, Fairchild, 1772. 
Section of Rich Patch Mountain, Virginia, 
Schmitz, 4824. 
Sewanee folio, Hayes, 2413. 
Shawangunk Mountain, Darton, 1301. 
Shenandoah limestone and Martinsburg 
shale, Prosser, 4501. 
Standingstone folio, Tennessee, Campbell, 
739. 
Staunton folio, Darton, 1308. 
Stevenson folio, Hayes, 2417. 
Stratigraphic classification, Marcou, 3663. 
Stratigraphy of central Appalachian Virginia, 
Darton, 1295. 
Summer's work on Lake Champlain, Van 
Ingen and White, 6715. 
Tennessee phosphates, Hayes, 2423. 
Tennessee Valley region, MeCalley, 3815. 
The Appalachian region, Williams, G. H., 
6161. 
Utica shale, Hershey, 2466. 
Virginia, fossils in, " Archean of Piedmont," 
Darton, 1293, 
