538 



INDKX. 



Lukes, Arthur. anil Manuel, — , fossilscoUeeted by 2'20 



LiirinuT County, l"os.sils from 226-228, 230-231 



Laramie Plains, Wyo., rucks exposed on .' lOS 



Leailville, I'arting quarlzite at 1.5li, l.W 



Sawateh iiuartzitc at 341 



Leailville rtistriet Carboniferous rocks in ; 178 



fossils from 221-223, 230-231, 239-245, 258-207, 2.S.'i- 



292, 290-298, 302-303, 807-309, 310, 812-315, 331, 332, 

 337, 338, 339-340, 341-345, 319-351, 355-350, 358-361, 

 363-307, 870-371, 379. 383-385, 403-407, 41,5-410, 418, 

 419,422-124, 432-435, 441. 443-444, 4.53-464, 455, 458, 

 461,463, 400, 407-169, 470-171, 473-474, 476, 477-^89 



section in '• 79 



Leadvillc formation, unconformity following 213 



Leadville limestone, age and equivalents of 474, 



200, 209, 212, 214, 217, 222 



character and thickness of 06, IIH, 164, 165, 174, 200 



fossils of. 217, 219, 220, 221-223, 224, 269-274, 



27C-279, 282-284, 285-294, 296-298, 302-303, 307-309 



Leda bellistriata? 248, 2.51, 260, 442 



cf . obesa 4G 



Lee. W. T., acknowledgments to 8 



article by, risumfi of 96 



cited on Arkan.sas sandstone 166 



cited on Carboniferous rocks and fossils 167, 



168, 180. 181 



cited on Castle Rock region 108 



cited on Millsap limestone 170 



cited on Red Beds ISO 



cited on rocks and section in Perry Pork. 1.52-1.53, 167-168 



cited on section near Culebra Peak. 150 



cited on section near Trinidad 154-155 



fossils furnished by 226 



reference to 17, 90, 145 



Lcioelema? sp 248, 250, 2.59, 336 



Leperditia sp 226, 231, 242, 249, 2-52, 261, 316, 478 



Lcptodomus topckaensls ; - - 439 



Leptopora winchelli 249, 250, 2.59. 327 



Lima retifera 415 



Lime Creek, rocks exposed on 127-128 



Livioptena alata 431 



longispina 431 



Lingnla 152 



earbonaria 242, 243, 259, 34'2-343 



myliloidcsf 342, 343 



tighti 243, 259, 343 



uinbonala? .342 



sp. undet 100,233,242,243 



Lingulella 146 



Lingulepis 106, 144, 146, 152 



pinna^formis 100, 146 



sp 100 



Literature, rtisumt^ of 27-138 



Lithostrotion ,.i 34, 43 



Localities, regi.ster of 519 



Lodore group, age of 32, 210 



character, thickness, and stratigraphic place of . . 30, 



197, 204 



unconformity between Uinta group and 30 



Lophophyltum profunda 321 



prof nudum 232, 



233, 236, 237, 247, 248, 249, 250, 258, 320-322 



prolij'ermn 35, 321 



Lower Aubrey group, thickness of 204 



Lower Carboniferous faunas, discussion of 217-231 



Loxonema 77 



halli 461 



parvum? 233. 460 



I'ttge. 



I.o.xonema peoriense 2.53, 460-461, 51S 



plicatnm 253, 460 



?sii 219, 220, 231.243,261, 314, 481 



Lyons. Permian I'!) strata and fossils at 185 



RlcIClmo slialcs and sandstones, thickmissof 194 



MeMechaTi, T. K., reference to 16 



Macrocheilina angnlifera 315 



Mucmclicilus paludmmformU 466, 467 



Macrodon 1 99 



obsoletus • 243, 260, 443 



tenuistriatus? 243,260, 443-444 



sp ! 42 



Madison limestone, age of 209 



Manitou limestone, age of 212 



correlation of 155 



sections including 151, 1.52, 153 



Manitou Park, fossils from 1.52 



Red Beds in , 186 



rocks exposed in and near 99, 106, 144 



sections in 151, 1.52 



Manuel, — , and Lakes, Arthur, fo.ssi]s collected by 220 



Marcou, Jules, work of 10 



Marginifera haydenensis 234, 376, 380-3S1, 1,98 



ingrata 233, 



237, 238, 242, 243, 248, 251, 2.57. 260. 379-380, KiS 



lasallensis? 237, 238. 260, 363, 372-373, i,as 



muricata 77. 



233, 234, 236, 237, 238, 247, 260, 373-375, 379, /,»« 



splendens 374, 375, 376, 377, 37R 



wabashensis 238, 255. 375-370, 381 



var 236,237,247,248,2,51,260,375, /,.*<; 



Marguerite Creek, fossils from 439, 445 



Maroon conglomerate, character and thickness of . . . 06. 



172,177 



equivalents of 194, 196, 210 



fossils from 235-239, 323, 324-327, 328-329 



Maroon formation, age of 190, 



200, 203, 206, 207, 208, 210, 212-213, 204 



character and thickness of 174, 



175, 177. 179. 200, 201, 202,' 213, 240 



equivalents of 178. 190, 240-241 , 263, 264, 265 



fossils of 208, 



238, 240-245, 2.58-207, 319, 320-322, 333-334. 

 349, 352-354, 357-359, 364-367, 373-379, 381-387, 

 392-394, 400-407, 409^16, 451-4,52, 466, 467-409 



Martinia distefanoi 390 



lamellosa 390 



lineata 43, 46 



j]lanoconvexa 394 



Marvine, A. R., cited on Grand River region 57 



cited on Red Beds 183 



reference to 12, 51 



report of Jliddle Park, r^sum6 of 110-111 



Meek, F. D., cited on occurrence of Devonian fossils 



in Colorado... 161 



reference to 73 



Meekella ^ 264 



occidentalis 38 



pyramidalis 38 



striaticostata 35. 45, 46, 199, 242, 248, 251-259, 350-351 



sp 3S 



Meniscoph.vUum 272 



Menophyllura excavatum 271, 272 



ulrichanum 218, 230, 271-273, i86 



Metoptoma 152 



n.sp ■ 100 



