5^4 



INDK.X. 



Aviculcipi'i'li'ii ic'cliliiti'rnrilis.. '242, 243, 248,251, a ill. 4 1 5-11 « 



sp. H ; 417, riW 



sp. 1) 257,417 



.1 rScitlopectni i 414 



-\viruIn])iiinM. 434 



tinu'i-iciinii 433,434 



lu'braskensis 253, 4S5-4Sfi, fll/, 



peracnlti '242, 243, 247, 2n1, 2C)0, 4!i2-43o 



.\xu]iliylluin nuU' 227,271 



35. 



Ji!i(lil(.i fiii-iiiiiiion, n^i-' aii'l i'lpiivalcnts of ]'.:0 



oharactor and Ihiokiiess of 1^9, 191 



Hagg, R. il., iflentilicatioii ot fossils by KM, 209 



Bairdia cestriensis 242, 2G1, 478 



si> 478-479 



Bakuwellia 36, GO, 174 



parvH 42, 199 



Bassler, R. S,, afkiiouicdgment.'f to 8 



Batlnninis 152 



similliiiius 100,152 



Balostomella 275 



sp 218, 230 



Battle MoTUitaiu, section at 57 



Belleroplioii 32, 205 



bcUus 474 



cnrbonarius 46, 47 



var. subjMpUlOiifts 35, 476 



c*assus 236,237, 



243, 249, 250, 253, 261, 262, 315, 468, 469, 470, 475, 476 



gigauteus? 252, 261 , 469-470 



harrodi 471 



infcrUiicatu!' 473 



'luuiil/ortiaiui^ 35,473 



■nodocai-inaluii 475 



uiirayaisis 471 



percarinatus?. 243, 249, 252, 231, 469, 470-471 



stevensanus 471 



stevensianus 469, 470. 471 



siibpapiUoaics : ., 476 



sp •. 35, 113, 218, 219, 231, 243, 315 



Bellerophon limestone, character and occurrence of. . 32, 205 



fossils found in 46. 476 



thickness and stratigraphic place of 197 



Beaver Creek, section on 188 



Bergen Park. See Manitou Park. 



Beyrichia arcuata .• 479 



sp 226,233,233,242,261,316-317,479 



Big Thompson Creek, rocks exposed on 114 



Bigenerina sp 269 



Blue limestone, fauna of 219, 220, 221-22;! 



occurrence of 162 



See also Leadville limestone. 



Boxelder Creek, rocks exposed near 112 



Brachiopoda, descriptions of species of 276-306, 342.^13 



Brunton, D. W., reference to 15, 52 



Bryozoa, descriptions of species of 274-275, 334-342 



Bulimorpha chrysalis 243, 2.53. 261, 266, 466,528 



C. 



Cache la Poudre Creek, n icks exposed on 114 



Calamites 90 



gigas 62, 175 



suckovii 62, 175 



Camarella 98, 150 



Cttvmrophor/'i ijhih'lUna 413 



Camarotifchia endlichi 73, 12S 



metalHca 218,230,306 



Page. 

 Ciambrian nicks, occurrence and duiracler of... 140,147,211 



I hickncss of 203 



Cawrrupliayia ijiffuriii 347 



Campopiiylliun 33, 199, 270 



torquium 236, 237, 247, 2.50, 257, 258, 323 



Cannon, G. L., jr., cited on occurrence of Carbonifer- 

 ous fossils in Front Range 226 



reltrence to n; 



Canyon, fossils from 224-225, 2S0-231, 278-279 



Jlillsap limestone near liis 



stratigraphy at and near 116. I5;)-154 



Capnlus 310 



fonuosus „ ;;i 1 



l>araKus. an 



parvus : 461 



Carboniferous formations, nmnenclature of 209-210 



occurrence of 162-214 



thickness of 204-205 



unconformities among: 201,202,203 



Carlyle, W. A.., reference to ,52 



Castle Butte, Parting qiiartzitc at 157 



Castle Rock region, fossils from, dcscripli.ms ni 276-279, 



2s7-_'9l^. 29 1-J9S. 299-302, 307-309, 316-317 



geology of 108 



Cataract Canyon. fii.'..-il from 33 



Cepholopoda, descriptious of species of 476-477 



ChEenomya leayenivorthensis 247, 248. 251 , 261. 43()-4S7 



CItiftetesf carbonaria 335 



milleporaccus : 33, 



34, 199, 236, 237, 2:;s. 217. 2 l.s, 250, 259, 326, 328-33il 



Chainodictyon laxum 250, 259, 337 



Chase formation, equivalent of 265, 266 



Chimnitzia jjarra 460 



Chonetes flemingi. . 233, 234, 236, 237, 257, 259, 264, 3o2-3o4, 4S6 



fiemingi var. verneuilianus 255, 259, 35 



geinitziana .- 355 



geinitzianus 233, 242, 243, 263, 259, 355-356, jt,S6 



glabcr 266, 355 



glabra 355 



granulifer 35, 43, 258, 264, 266, 356-357 



granulifera 356 



graniUf/ertis 356 



illinoisensis 218, 230, 279-280 



Ixvid 355 



loganensis 279, 280 



logavi 279 



iiiesoloba 3-57 



mesolobus 234, 236, 237, 



238, 248, 249, 261, 253,260, 264,266,267, 357-358, 4SS 



mucronata 356 



platynotus 34 



sviUldi 356 



verncuilanva 38, 352, 353, 354 



vernmili 354 



verneuUiana 354 



Cladopora sp 236, 237, 259, 32s 



Cleiothyris hirsuta 408 



mis.'iowiensis 407 



orbicularis 233, 407-409 



roLssyi 406 



(Jidnphnrtdi occidc)dali>^ 446 



pallaal 146 



(an Plctirophoraa) of-ridciit'ili^ 420 



Ccelenterata, descriptions of 269, 274, 320-322 



Colorado City, rocks exposed near 103 



Colorado Springs. Fountain formation near IS 



Jurassic and Triassic (?) rocks near 186, 1.' 7 



Millsap limestone near 168 



