WEEKS. 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
139 
Minnesota— Continued. 
Report on field work in Minnesota in 1893, 
Upham, 5571. 
Report on Rainy Lake gold region, Winchell, 
H. V., and Grant, 6285. 
Ripple marks, Spurr, 5169. 
Rock specimens collected in northeastern 
Minnesota in 1892, Grant, 2109a. 
Schists, actinolite magnetite, Bayley, 807. 
Shakopie limestone, Chaney, 865. 
Sioux quartzite, Beyer, 433. 
So-called Cretaceous deposits, Sardeson, 4805. 
Species, list of, Smith, H. L., 5036. 
Sponges, graptolites, and corals from the 
Lower Silurian of Minnesota, Winchell, N. 
H., and Schuchert, 6318. 
St. Croix River Valley, Elftman, 1636. 
Stillwater deep well. Meeds, 3896. 
Stratigraphic position of the Thompson slates, 
Spurr, 5170. 
Structural geology, Minnesota. Winchell, 6372. 
Structure of gabbro and on troctolyte, Elft- 
man, 1634. 
Structure of the Keweenawan, Winchell, 637 1. 
Terrace, formation of, Nelson, 4073. 
Tertiary base leveling, Upham, 5585. 
Thalite and bowlingite, Winchell. 6363. 
The Arlington iron, Winchell, 6323. 
The Mesabi range, Minnesota, Brackenburg, 
522. 
The State of Minnesota, Grant, 2107. 
Thomsonite and lintonite, Winchell, 6346. 
Volcanic ash from north shore of Lake Supe- 
rior, Winchell and Grant, 6324. 
Volcanic rocks in the Keewatin, Grant, 2111. 
Zeolites of Minnesota shore, Winchell, 6365. 
Zygospira rceurvirostra, Schuchert, 4837. 
Mississippi. 
Extension of Appalachians, Branner, 537. 
Loam of North Mississippi, Mahry. 3621. 
Middleton formation, SafTord, 1730. 
Midway stage, Harris, 2310. 
New Eocene Mollusca from the Gulf States, 
Harris, 2311. 
New Tertiary fossils from Mississippi, Aid- 
rich, 71. 
Missouri. 
A new lepidodendroid type, White, 6046. 
Age of lower coals of Henry County, White, 
6044. 
Ankerite from Missouri, Rogers, 4652. 
Annotated list of minerals occurring in the 
Joplin district, Rogers, 4657. 
Apatite and magnetite beds, association of, 
Blake, 452. 
A study of Missouri cherts, Hovey, 2764a. 
Bethany limestone, Bain, 198. 
Bevier sheet, Winslow, 6386. 
Bibliography of Missouri geology, Keyes, 3089. 
Biennial report, Bureau of geology, Gallaher, 
1933. 
Calcite from Joplin, Mo., Farrington, 1803, 
Calcite from Joplin, Mo., Gratacap, 2159. 
Cambrian and Ozark series, Broadhead, 600. 
Cambrian in Missouri, Winslow, 6381. 
Cambro-Silurian in Missouri and Arkansas, 
Keyes, 3079. 
Missouri— Continued. 
Carboniferous, basal line of, Keyes, 3038. 
Carboniferous Cephalopoda, Miller and Faber, 
3993. 
Carboniferous, flora of the, White, D., 6040. 
Characteristics of the Ozark Mountains, 
Keyes, 3087. 
Cherts of Missouri, Hovey, 2764. 
Choteau fossils, range of, Rowley, 4671. 
Clay deposits, Wheeler, 6030. 
(-lay-working industry, Ries, 4619. 
(Hays and shales in Missouri, Wheeler, 6029. 
(onl deposits of Missouri, Winslow, 6377. 
Coal deposits of trans-Mississippian field, 
Keyes, 3139. 
Coal Measures of Missouri, Broadhead, 604. 
Coal Measures of Missouri, Winslow. 6384,6379 
Correlation in Ozark region, Hershey, 2490. 
Cote sans Dessein and Grand Tower, Marbut, 
3651. 
Crinoids and brachipods from the Hamilton, 
Rowley, 4674. 
Crinoids, blastoids, and brachiopods, Rowley, 
1673. 
I i ystalline rocks, Haworth, 2342. 
Crystalline rocks of Missouri, Haworth, 2357. 
lies Moines coal-bearing series, Keyes, 3113. 
Devonian limestone breccia in Missouri, Her- 
shey, 2472. 
Devonian of north Missouri. Broadhead, 605. 
Devonian series in Missouri, Hershey, 2470. 
Dictionary of altitudes, Marbut, 3642. 
Disseminated lead ores of Missouri, Winslow, 
6395. 
Echinodermata, new species of, Miller and 
Gurley, 3991. 
Fauna at base of Burlington limestone, Keyes, 
3040. 
Fauna of the Burlington limestone at Louisi- 
ana, Mo., Rowley, 4678. 
Fauna of Vermicular sandstone, Weller, 5994. 
Fossil faunas at Springfield, Mo., Weller, 5972. 
Fossil flora of Coal Measures, White, 6050. 
Fossils at Louisiana, Keyes and Rowley, 3119. 
Fossils from the Devonian and sub-Carbon- 
iferous rocks, Rowley, 4677a. 
Genesis of ore deposits, Posepny, 4421. 
Geographic development of Crowleys Ridge, 
Marbut, 3641. 
Geologic history of Missouri, Winslow, 6393. 
Geologic section at Providence, Mo., Stewart, 
5235. 
Geologlical distribution of useful metals in 
the United States, Emmons, 1699. 
Geological formations of Cap-au-gres uplift, 
Keyes, 3135. 
Geological survey in Missouri, Winslow, 6388. 
Geology of Boone County, Broadhead, 606. 
Geology of Calhoun sheet, Marbut, 3647. 
Geology of Clinton sheet, Marbut, 3646. 
Geology of Huntsville quadrangle, Marbut, 
3650. 
Geology of Lexington sheet, Missouri, Marbut, 
3648. 
Geology of Missouri, Gallaher, 1933a. 
Geology of Richmond quadrangle, Missouri, 
Marbut, 3649. 
