402 



INDEX. 



M. 



Mackintosh, J. B., 251, 260. 

 Maclurea, 247, 300. 



crenulata, 302. 

 Macraster elegans, 128. 

 Macrocheilus fusiformis, 148. 

 Magill Creek, 337. 

 Magnenat, L., xxvii, lxxiv, 84, 331, 353, 358, 



360. 

 Magnesian beds, 121. 



Magnetite, 225, 259, 271, 272, 273, 321, 327, 

 335, 347, 387. 



analyses of, 353. 

 Mahoney's pasture, 153, 169. 

 Main Black Prairie beds, 114. 

 Malachite, 225, 335, 336, 337, 387. 

 Malocystites, 300. 

 Manganese, lix, 216, 260, 345, 387. 



analyses of ores, 346. 

 Manganite, 345. 

 Manor, 108. 



Map, construction of, lxxxix. 

 Marathon, 233. 

 Maravillas Creek, 234. 



Marble, lxii, 127, 165, 225, 369, 148, 244, 

 245, 299, 300, 370. 



Austin, 127. 



Burnet, lxii, 148, 244, 245, 299, 300. 



Falls, 250, 311, 314, 368. 



Silurian, 370. 



Texas, 165, 370. 

 Marcasite, 387. 

 Marcou, Jules, 186. 

 Marcy, R. B., 319, 321, 322, 323, 325. 

 Margarite, 387. 

 Margarodite, 259, 387. 

 Marion County, xxvi, 34, 77. 

 Marl, analyses, 94. 



composition, 91, 92. 



Exogyra ponderosa, 91, 114. 



value, 92, 93. 



white marl bluff, 30. 

 Marshall, 35, 65, 99. 

 Martite, 259, 387. 

 Mason, lvii, 277, 278, 283, 285, 295, 297, 298, 



308, 312, 334. 



County, lvii, 201, 239, 244, 263, 268, 

 277, 287, 290, 293, 298, 300, 307, 308, 



309, 339, 341, 357, 361, 365, 367, 368, 

 370, 372, 375, 310, 326, 334. 



epoch, 280. 

 Mountain, 242, 373. 

 Massicot, 225. 

 Material, building, liii, lxviii, 86, 89, 122, 123, 



126, 127, 139, 162, 194, 364. 

 Maxwell, Richard, lxxxix. 

 Mayo, J. L., 100. 



McAnnelly's Bend, lxv, 150, 156, 161. 

 McBee school district, 74. 

 McCulloch, C C, xxviii, lxxiv, lxxxii, lxxxv, 



lxxxvi, lxxxvii, lxxxviii, 147. 

 County, 145, 146, 163, 164, 171, 173, 



201, 204, 239, 244, 285, 295, 298, 301, 



302, 307, 361, 370, 371. 

 McDonald's brick yard, 127. 

 McGee, W. J., 11. 



McGehee, J. G-., 336. 



diggings, 336, 338. 



shafts, 336. 

 McG-uire, J. E., lxxiv. 

 McKee's Gap, 70. 



Mill, 88. 

 McKinney, 109, 112. 

 McNeal, 117, 126. 

 McRae's, D. K, 148, 162. 

 Medial division, Comanche series, 120. 

 Meek, F. B., 109. 

 Meekella striate costata, 154. 

 Melaconite, 225. 

 Melanite, 387. 



Melvin's Ranch House, 155. 

 Menacconite, 387. 



Menard County, 239, 283, 310, 311. 

 Mendenhall, T. C, xxiv, lxxv. 

 Mesas, 232. 

 Metagadolinite, 387. 

 Mexican Boundary Survey, 5. 



Diggings, 333. 



onyx, 162. 

 Mica, 275, 387. 

 Microcline, 259, 388. 

 Milam County, Brazos River, 25, 26. 

 Kettle bottoms, 26. 

 lignite, 26. 

 silicified wood, 26. 

 Milburn, 151, 204, 205, 206, 212, 216. 



shales, 205. 



Strawn series, lxvi. 

 Mill on Rough Creek, 149. 

 MH1 Creek, 296, 298. 

 Miller Creek, 349. 

 Miller, S. A., 149. 



mine, 337, 338. 

 Mills, Shafter silver, 234. 

 Mills County, 201, 204. 

 Mine, 222, 224. 



Alice Ray, 223. 



Bonanzo, 223. 



Chaffin, 159, 152. 



Finks coal, 153, 160, 208, 214. 

 section at, 153, 209. 



Hubbard, 337, 338. 



Miller, 337, 338. 



San Tomas, xl. 



Silver Moon, 209, 210, 213, 214. 



Spiller, lix, 345, 346. 

 Mineral fertilizers, 138, 91. 



products Cretaceous System, 140. 



Region, Central, 239. 



resources, Trans-Pecos Texas, 223. 



springs, 98, 171. 

 abundance, 98. 

 contents, 98, 99, 100. 

 chalybeate, 98. 

 origin, 98, 99, 100. 



water, 98, 171. 

 Mineralogical features, 240. 

 Mining law, 229. 

 Mississippi, 18, 49, 51, 59. 

 Mixed granite, 367. 

 Molybdenite, 259, 388. 

 Molybdite, 259, 388. 





