288 
Index. 
Circular No. 1 , School of Geology, University 
of Texas. No. 205. 
Circular No. 3, Geological Survey of Texas. 
No. 113. 
Clark, W. B. Mesozoic Echinodermata. No. 
23. 
Clark, W. B. Revision of the Cretaceous 
Echinoidea. No. 22. 
Clays. No. 451. 
Clay Materials. Nos. 243, 249. 
Clays of Texas and their Origin. No. 276. 
Clear Fork Beds. No. 67. 
Coal. Nos. 7-9, 159, 262, 312, 313, 315, 318, 
361, 446. 
Coal, at Eagle Pass. No. 8. 
Coal, Brown. No. 153. 
Coal Field. No. 419. 
Coal Field, Southern Border of the Central. 
No. 66. 
Coal Field, Report on the Colorado. No. 110. 
Coal Fields of the Colorado River. No. 391. 
Coal Fields of Texas. Nos. 9, 78, 118, 241, 
248, 419. 
Coal, Hartz Mines. No. 8. 
Coal in Region of the Rio Grande. No. 421. 
Coal Mining, Statistics of, 1890. No. 449. 
Coal, Production, 1891-1895, inclusive. No. 
462. 
Coal Production and Value in 1886. No. 7. 
Coal Production and Value in 1887. No. 8. 
Coal Production and Value in 1888. No. 9. 
Coal Production and Value, 1893, 1894. No. 
447. 
Coal Production and Value, 1894, 1895. No. 
462. 
Comanche Series. No. 37. 
Comanche Series, Age and Homotaxial Rela- 
tions of, in Mexico and Texas. No. 244. 
Comanche Series, Discussion of. No. 408. 
Comanche Series, Invertebrate Fossils from. 
No. 57. 
Comanche Series of Texas-Arkansas. No. 
232. 
Comanche Series of the Texas-Arkansas Re- 
gion, Discussion of. Nos. 83, 435. 
Comstock, T. B. Geological Survey of Texas. 
No. 24. 
Comstock, T. B. Industrial Growth of Texas. 
No. 27. 
Comstock, T. B. Occurrence of Tin in Cen- 
tral Texas. No. 30. 
Comstock, T. B. Preliminary Report on the 
Geology of the Central Mineral Region. 
No. 26. 
Comstock, T. B. Preliminary Report on 
Parts of Menard, Concho, Tom Green, 
Sutton, Schleicher, Crockett, Val Verde, 
Kinney, Maverick, Uvalde, Edwards, 
Bandera, Kerr and Gillespie Counties. 
No. 33. 
Comstock, T. B. Report on the Geology and 
Mineral Resources of the Central Mineral 
Region. No. 32. 
Comstock, T. B., Reports of. Nos. 25, 31, 33, 
34. 
Comstock, T. B. Tin in Central Texas. No. 
29. 
Comstock, T. B. Tin in Texas. Nos. 28, 35, 
345. 
Colorado Coal Field, Soils, Water Supply and 
Irrigation of. No. 402. 
Colorado River, A Portion of the Geologic 
Story of the. No. 211. 
Concho County. No. 33. 
Concho Country. No. 289. 
Concho Country. Geological Survey of. No. 
68 . 
Cope, E. D. Cenozoic Beds of the Staked 
Plains. No. 48. 
Cope, E. D. Comanche Series. No. 37. 
Cope, E. D. Contribution to a Knowledge of 
the Fauna of the Blanco Beds. No. 42. 
Cope, E. D. Description of the Lower Jaw 
of Tetrabelodon Shepardii. No. 61. 
Cope, E. D. Geology of the Staked Plains, 
No. 44. 
Cope, E. D. Hyena and other Carnivora. No. 
45. 
Cope, E. D. In the Texas Panhandle. No. 
43. 
Cope, E. D. Mr. Hill on the Cretaceous of 
Texas. No. 38. 
Cope; E. D. Observations on the Geology of 
Oklahoma and Northwest Texas. No. 52. 
Cope, E. D. On New Ichthyodorulites. No. 
46. 
Cope, E. D. On the Genus Tomlopsis. No. 
• 50. 
Cope, E. D. On the Skull of Equus Excelsus. 
No. 41. 
Cope, E. D. Preliminary Report on the 
Paleontology of Llano Estacado. No. 49. 
Cope, E. D. Proboscidia. No. 40. 
Cope, E. D. Report on the Paleontology of 
the Vertebrata. No. 47. 
Cope, E. D. Reptilian Order of Cotylosauria. 
No. 53. 
[Cope, E. D.] Review of Hill’s Paper on 
“The Cross Timbers of Texas.” No. 36. 
[Cope, E. D.] Vertebrate Fauna of the 
Equus Beds. No. 39. 
Copper Ores, Permian. No. 346. 
Cotylosauria, Reptilian Order of. No. 53. 
Counties of Menard, Concho, Tom Green, 
Sutton, Schleicher, Crockett, etc., A Pre- 
liminary Report on. No. 33. 
Country West of fthe Plains, Notes on the 
Geology of. No. 77. 
Cragin, F. W. Choctaw and Grayson Ter- 
ranes of the \rietina. No. 56. 
Cragin, F. W. Descriptions of Invertebrate 
B'ossils from the Comanche Series. No. 
57. 
Cragin, F. W. Further Notes on the Chey- 
enne Sandstone and Neocomian Shales. 
No. 54. 
Cragin, F. W. Invertebrate Paleontology of 
the Texas Cretaceous. No. 56. 
Cragin, F. W. Notes on Mesozoic and Ter- 
tiary Exhibits. No. 58. 
Cretaceous Area North of the Colorado River. 
Nos. 386, 388. 
Cretaceous Beds, Relation of the Uppermost, 
of the Eastern and Southern States. No. 
215. 
Cretaceous Coverings of Paleozoic. No. 398. 
Cretaceous Deposits, Trans-Pecos Texas. No. 
383. 
Cretaceous Formations. No. 423. 
Cretaceous, Growth of Knowledge Concerning 
the Texas. No. 301. 
Cretaceous History Illustrated in Arkansas- 
Texas. No. 209. 
Cretaceous, Lower, of the Southwest. No. 
428. 
Cretaceous Mollusca, New Generic Forms. 
No. 422. 
Cretaceous of Northern Mexico. No. 429. 
Cretaceous of Texas. No. 38. 
Cretaceous of the Texan Region. No. 434. 
Cretaceous of Western Texas. No. 152. 
Cretaceous River Bed. No. 338. 
Cretaceous Rocks of Texas, Description of. 
No. 219. 
Cretaceous Section at El Paso. No. 359. 
Cretaceous, Texas Section. No. 202. 
Cretaceous, Texas Section of the American. 
No. 198. 
Cretaceous, The Texas. No. 227. 
Cretaceous, Typical Section of Texas. No. 
201 . 
Crockett County. No. 33. 
Cross Timbers, Geology and Topography of. 
No. 197. 
Cross Timbers of Texas, Review of Hill’s 
Paper on. No. 36. 
Cummings, Uriah. Rock Cement. No. 59. 
Cummins, D. H. Texas Gypsum Formation. 
No. 60. 
