DARTON.] 



NORTH AMERICAN GEOLOGY. 



217 



Carboniferous — C ontiu ued . 

 Iowa, Nebraska, Kansas, Missouki, 

 Arkansas, Indian Tbrbitoky, 

 Texas — Continued. 

 1890. Coal beds of Lafayette County, 

 Mo., Winslow. 

 Introduction, southwestern 



Kansas, McGee. 

 Southwestern Kansas, Hay. 

 Analysis of Silverdale lime- 

 stone, Catlett. 

 Artesian wells in Kansas, 



Hay. 

 Kansas salt mines. Hay. 

 Permo-Carboniferous of Kan- 

 sas, Wooster. 

 Warren's Geography, Brewer. 

 Maofarlane's Railway Guide, 

 Broadhead, McGee, St. John, 

 Frazer, Loughridge. 

 Eastern Arliansas, Call. 

 Areas of continental progress, 



Dana. 

 Indian Territory and Red River, 



Hill, R. T. 

 Coal of Indian Territory, 



Chance. 

 Central Texas, Tarr. 

 Coal field of Colorado River, 



Tarr. 

 Trans-Pecos, Tex., Streeruwitz. 

 Review of Texas geology, Dura- 

 ble. 

 Geographic features of Texas, 



Hill, R. T. 

 Permian of Texas, Cummins. 

 Centra] mineral region of 



Texas, Comstock. 

 Central coal field of Texas, 



Cummins. 

 Concho country, Texas, Cum- 

 mins and Leroh. 

 Coal fields of Texas, Weitzel. 

 Cretaceous of northern Mexico, 



White, C. A. 

 Keokuk beds, Gordon. 

 Deep well at Le Mars, Iowa, 



Todd. 

 Folding in southwestern Iowa, 



Todd. 

 Brecciated character of St. 



Louis limestone, Gordon. 

 Crinoids from Burlington lime- 

 stone, Rowley. 

 Choctaw coal field, Chance. 



Carboniferous — Continued. 

 Iowa, Nebraska, Kansas, Missouri, 

 Arkansas, Indian Terkitory, 

 Texas — Continued. 



1890. Crinoids from LeGrande, Iowa, 



Wachmach and Springer. 



1891. Reade's theory of origin of 



mountain ranges, Reade. 

 Western Arkansas, Winslow. 

 Devonian and Carboniferous 

 correlation, Williams, H. S. 

 Texas Permian and its Meso- 

 zoic types of fossils. White, 

 C.A. 

 Report, Mesozoio division of 

 invertebrate paleontology, 

 United States Geological 

 Survey [Texas], White, C. A. 

 Concho County, Tex., Lerch. 

 Notes on reconnaissance in In- 

 dian Territory, Hill, R. T. 

 Notes on geology of the South- 

 west, Hill, R. T. 

 Report of State geologist of 



Texas, Durable. 

 Report on northwestern Texas, 



Cummins. 

 Result of Texas survey. Dura- 

 ble. 

 Washington County, Ark., 



Simonds. 

 Analysis of limestone from 



Kansas, Stokes. 

 Fayetteville-Huntsville s e c - 



tion, Harris. 

 Stratigraphy of central Iowa, 



Keyes. 

 Fossil faunas of central Iowa, 



Keyes. 

 Red-rock sandstone of Marion 



County, Iowa, Keyes. 

 Clay and building stones of 



west central Kansas, Ladd. 

 Crinoids from Missouri, Mil- 

 ler. 

 Igneous rocks of Arkansas, 



Williams, .7. F. 

 Report on Trans-Pecos, Tex., 



Streeruwitz. 

 Cretaceous [Trans-Pecos, 



Tex.], Taff. 

 Central mineral region of 



Texas, Comstock. 

 Central basin of Texas, Cur- 

 tice. 



