Index. 
295 
Survey of Texas, Second Report- of Progress. 
No. 130. 
Survey of Texas, Third Annual Report of the 
Geological. No. 133. 
Survey of Texas, Fourth Annual of the Geo- 
logical. No-. 142. 
Superimposition of Drainage in Central 
Texas. No. 395. 
Sutton County. No. 33. 
Swank, J. TW. Iron Production. Nos. 378-382. 
T 
Taff, J. A. Cretaceous Area North of the 
Colorado River. Nos. 386, 388. 
Taff and Leverett. Cretaceous Area North 
of the Colorado River. No. 388. 
Taff, J. A. Cretaceous Deposits of Trans- 
Pecos Texas. No. 383. 
Taff, .T. A. Reply to Prof. Hill. No. 387. 
Taff, J. A., Reports of. Nos. 384, 385. 
Tait, J. L. Gas Well at San Antonio. No. 
389. 
Tait. Lignites in Edwards and Other Coun- 
ties. No. 9. 
Tait, J. L., Report of. No. 390. 
Tar Springs. No. 161. 
Tarr, R. S. Carboniferous Area of Central 
Texas. No. 394. 
Tarr, R. S. Cretaceous Coverings of Paleo- 
zoic. No. 398. 
Tarr, R. S. Guadaloupe Mountains. No. 397. 
Tarr, R. S. Lower Carboniferous Limestone 
Series in Central Texas. No. 393. 
Tarr, R. S. Origin of Terraces. No. 399. 
'I'arr, R. S. Origin of Some Topographic 
Features of Central Texas. No. 392. 
Tarr, R. S. Permian of Texas. No. 396. 
Tarr, R. S. Physical Geography. No. 400. 
Tarr, Ralph S. Report on the Coal Fields 
of the Colorado River. No. 391. 
Tarr, R. S. Superimposition of Drainage. 
No. 395. 
Tengerite. No. 166. 
Terraces. No. 399. 
Terranes, The Choctaw and Grayson, of the 
Arietina. No. 56. 
Tertiaries, Notes on. No. 146. 
Tertiary and Mesozoic Exhibits, The Colum- 
bian Exposition. No. 58. 
Tertiary Fauna of Florida, etc. No. 83a. ■ 
Tertiary Formations of Western Texas. No. 
3. 
Teritary Mollusca, Monograph of. No. 185. 
Teritary Paleontoiogy. No. 184. 
Tetrabelodon Shepardii, Description of the 
Eower Jaw of. No. 51. 
Texas. No. 371. 
Texas, Geology of. No. 203. 
Texas, Industrial Growth of. No. 27. 
Texas-New Mexico Region, Notes on the. No. 
240. 
Texas Region, Classification and Origin of 
Chief Geographic Features. Nos. 216-217. 
Texas Survey, Important Results of. 124. 
T. F. L. Artesian Wells. No. 401. 
Third Texas Report, Remarks on a Part of 
the Review of. No. 300. 
Thompson, R. A. Soils, Water Supply and 
Irrigation of Colorado Coal Field. No. 
402. 
Thoria Minerals. No. 157. 
Thoro-gummite. No. 193. 
Tin. Nos. 28-29, 345, 442. 
Tin, Occurrence of. No. 30. 
Tom Green County. No. 33. 
Tomiopsis, On the Genus. No. 50. 
Topaz. Nos. 285, 286. 
Topographic Features of Central Texas. No. 
392. 
Topographic Features of Texas, Classification 
of. No. 224. 
Topography and Geology of Northern Mexico 
and Southwest Texas. No. 234. 
Topography, Non-Mbuntainous of Texas, 
Geologic Evolution of. No. 236. 
Trans-Pecos Texas. Nos. 375, 377. 
Trans-Pecos Texas, Cretaceous Deposits. No. 
383. 
Trans-Pecos Texas, Geology of. No. 368. 
Trans-Pecos Texas, Geology and Mineral Re- 
sources. No. 370. 
Trias in Northwest Texas. No. 299. 
Triassic Formation of Northwest Texas, 
Stratigraphy of. No. 109. 
Triassic Unios. No. 353. 
Trinity Division, Invertebrate Paleontology 
of. No. 245. 
Trinity Division, Notes on Some Fossil 
Plants. No. 163. 
Trinity Formation. No. 200. 
Tucumcari. No. 246. 
Tucumcari, Fauna of. No. 258. 
Tucumcari Mountain. No. 79. 
Tucumcari, New Mexico. No. 77. 
Turner, H. W. Volcanic Dust. No. 403. 
IT 
Upper Canadian, Geology of the Valley. No. 
223. 
Upshur County. No. 270. 
Unios, Description of Four New Triassic. No. 
353. 
Uraninite, New Analyses of. No. 251. 
Uvalde County. No. 33. 
V 
Val Verde County. No. 33. 
Van Hise, C. R. Pre-Cambrian Rocks. No. 
404. 
Van Zandt County. No. 270. 
Vaughan, T. W. Eocene at Old Port Caddo 
Landing. No. 405. 
Vertebrata, Report on the Paleontology of. 
No. 47. 
Volcanic Dust. Nos. 136, 150, 403. 
w 
Walcott, C. D. Cambrian in Texas. No. 407. 
Walcott, C. D. Discussion of Comanche Se- 
ries. No. 408. 
Walcott C. D. Rocks in Burnet, San Saba 
and Llano Counties. No. 406. 
Walker, J. B. Cherokee County. No. 415. 
Walker, J. B. Geology of Burnet County. 
No. 409. 
V/alker, J. B. Nacogdoches County. No. 414. 
Walker, J. B. Panola County. No. 411. 
Walker, J. B. Report of. No. 410. 
Walker, J. B. Rusk County. No. 413. 
Walker, J. B. Shelby County. No. 412. 
Waters of the Upper Rio Grande and Pecos 
Valleys. No. 178. 
Water Supply of Colorado Coal Field. No. 
402. 
Water Supply for Western Texas. Nos. 148, 
149. 
Webb County, Economic Geology of. No. 107. 
Weeks, J. D. Natural Gas. No. 466. 
Weeks, J. D. Petroleum in Texas. Nos. 416- 
418, 465. 
Weitzel, R. S. Coal Field. No. 419. 
Western Texas and Coahuila, Mexico, Creta- 
ceous of. No. 152. 
Western Texas, Notes on Geology of. No. 
204. 
Western Texas, Tertiary Formations of. No. 
3. 
W. H. Dykes of Bandera County. No. 420. 
White, C. A. Age of Coal in Region of the 
Rio Grande. No. 421. 
