BARTON.] 



NORTH AMERICAN GEOLOGY. 



285 



Cretaceous — Continued. 

 Dakotas and Minnesota to Texas — 

 Continued. 

 1887-1889. Lower Cretaceous of soutli- 

 ■west Texas, White, C. A. 



Mitchell County, Tex., Broad- 

 head. 



Neozoic geology, Hill, R. T. 



New species of fossils, Hill, 

 R.T. 



Occurrence of Macraster Tex- 

 anus. Hill, R. T. 



Origin of certain limestones, 

 Hill, R. T. 



Condition of knowledge of 

 Texas, HiU, R. T. 



Original locality of Gryphaea 

 pitcheri, Marcou. 



Salt, Kansas, Hay. 



Northwestern Kansas, Hay. 



Permian of Texas, White, C. A. 



Rio Grande Valley, Owen, J. 



Southern Texas, Jermy, Tait. 



Story of Colorado River, Hill, 

 R.T. 



Texas section of American Cre- 

 taceous, Hill, R. T. 



South central Texas, Owen, J. 



Western Texas, Cummings, 

 Hill, R. T. ; Streeruwitz. 



Geology of Kansas, lecture. 

 Hay. 



Geology of southwestern Kan- 

 sas, St. John. 



History of geologic work in 

 Kansas, Hay and Thomp- 

 son. 



Horizon of Dakota lignite, 

 Hay, R. 



Note on a, remarkable fossil. 

 Hay, R. 



Paleontology of the Plains, 

 Cragin. 



Region south of the great bend 

 of the Arkansas, Cragin. 



Salt deposits. Hay, R. ; Cox. 



Counties, geology of Minnesota, 

 Upham, Winchell, N. H. 



Artesian wells, Minnesota, 

 Hall,C.W. 



Natural-gas wells, Minnesota, 

 Winchell, N. H. 



Soils of Nebraska, Hicks. 



Reportof division of Glacial ge- 

 ology, Chaudberlin, T. C. 



Cretaceous — Continued. 

 Dakotas and Minnesota to Texas — 

 Continued. 

 1887-1889. Well at Lincoln, Nebr., 

 Am. Geol. 



List of invertebrates of Cre- 

 taceous of Texas, and short 

 description of the system, 

 Hill, R. T. 



Report of division of Mesozoic 

 invertebrates, United States 

 Geological Survey, White, 

 C. A. 

 1890. American NeocomiaUj Mar- 

 cou, J. 



Central coal field of Texas, 

 Cummins. 



Macfarlane's Railway Guide, 

 Hilgard, Loughridge, Owen, 

 J. 



Concho country, Tex., Cum- 

 mins and Leach. 



Trans-PecosfTex., Streeruwitz. 



Review of Texas geology, 

 Dumble. 



Areas of continental progress 

 inNorth America, Dana, J.D. 



Geographic features of Texas, 

 Hill, R. T. 



Igneous rooks of central Texas, 

 Hill and Dumble. 



Fossils of the Trinity beds, 

 HiU, R. T. 



Pilot Knob, Hill, R. T. 



Occurrence of Gonlolina in the 

 Comanche series. Hill, R. T. 



Permian of Texas, Cummins. 



Central Texas, Tarr. 



Central mineral region of 

 Texas, Comstock. 



Cheyenne sandstone of Kansas, 

 Cragin. 



Chalk from Niobrara of Kan- 

 sas, Williston. 



Kansas salt mine. Hay. 



Lignite in Dakota formation, 

 Hay. 



Macfarlane's Railway Guide, 

 Bailey, G. E.; Broadhead, 

 Chamberlin, Gilbert, McGee, 

 Putnam, St. John, Scott, 

 Todd,Upham, Winchell, N. H. 



Southwestern Kansas, Hay. 



Lineage of Lake Agassiz, Todd. 



Terraces of the Missouri, Todd, 



