■)42 



IN'DKX. 



Ri'd I'll IT. sorliim iK'nr o6-n7 



lU'tl {.'ruck fiiriniitioii. unconformity foIlowiiTfr 20-1 



Kctl Cri'L'k quartzilu. ji^i' of 33, 197 



thlokncss of 32 



Ui><l Willi group, HKo of 3G,37 



fliarniter and tliiokui\'« of 30, 33, 197, 20 1 



fossils found in 33 



Rod Wall limestone, age of 10(i-lG7, 209, 210 



Uetieularia 3S7-392 



Clara 391 



coopcrensis 391 



gnadalupensis 391 



imbrieata 392 



lineatoides 391 



(?) iKCHliarU ■ 292 



pa-plexa 391, 393, •«)(> 



pseudolineata 391 



sctigera 391 



temeraria 391 



tenuispinata 391 



translala 391 



Mctzlu comprcsm 411 



■ inarcyi 304 



titormoni ^ 411,412 



(Hustedia) mormoni 303 



inormonii 411, 412 



■punclulifcm 77, 411 



mdialif 304, 411, 412 



!^i(l};ihihni^-<t 411 



Utah 303 



vera 304 



VilT.ftiiitata 304 



vcnicui'and 304 



woostcri 302 



nil fpidwncUa mivhcUni 276 



pecosi 233, 242, 243, 247, 251, 2,59, 344-S43 



pulchella 218,219,230,270 



Eiiodoerinus sp .■ 21,S, 230. 274 



Ehmnbopora Icpidodcntlroidca 341 



lepidodendroides : 232. 



233. 242, 243, 247, 248, 249, iW, 2.59, 341-342 



PJiynohonella 73 



aiit/idatfi 346 



mdallim 306 



'ti<(l[rriis'i'^ 77, 413 



{Camarophorixi) Oi-ageti?is 412 



puslulosa 306 



ula 412,413 



sp 413 



Ehynchospira sp 92 



Bickard, T, A,, reference to 17 



Rico formation, age of 2.i2, 266-267 



character and thickness of 123, 192-193, 252 



equivalents of ". 263, 267 



fossils of .- 247-257, 3.55- 



3.56, 357-358, 364-367, 370-371, 403-107. 415, 418, 



422-425, 426-432, 435-436, 437-140, 444-445, 447, 



. 450, 454-455, 458, 460-461, 463-406, 468, 474-476 



unconformity preceding 196 



Rico Mountains, report on, resume of 122-126 



Riggs, E. S., cited on Dinosaur beds of Grand River 



Valley 137 



reference to 17 



Rito Seco, rocks exposed near 96-97 



Robinson limestone, geologic place of 240 



fossils from 240-245, 



268-267, 383-385, 392-394, 403-407, 463, 468-469 



I'ttgc. 

 itocky .MoiMiiaiu.s .\rchean areas, discns,sion of 210-211 



uuiriuc transgressions in 21) 



itowley, R, R,, cited on spirifers from .Mi.ssonri 290 



RulVner, E. H„ reference lo 72, 90, 126 



report of, resume of 91-92 



iSalida, fossil.< from 224, 230-231 



.Salida region, fos.sils from, descriptions of 273-274, 



28.5-287,296 



Salt Creek, section at head of 132 



San Juan region, Can)bi:ian rocks in 146 



Carboniferous rocks in 169, 170, 192 



faunal break in .■ 206 



fossils from 218, 230- 



231, 245-257,258-267, 269-286, 292-293, 294-296, 299, 

 303-306, 307-309, 310-313, 31.5-316, 317-342, 347-351, 

 354-356, 3.58-362, 363-as7, 392-406, 409-411, 414-416, 

 418-420, 422-442, 444-455, 457-4.58, 460-171, 473-478 



location of 28 



Lower Carboniferous rocks in 169, 170 



Parting quartzite in 160 



Pennsylvauian series in 192 



publications on, rOsumg of 122-132 



San Luis district, report on, resume of 83-90 



Sangre de Cristo Pass, Carboniferous rocks near 91 



Sangro de Cristo region, literature on, rc5sume of 83-97 



location of 28 



Paleozoic rocks in 1,59-160 



Sawatch quartzite in 143 



Sangre de Cristo Range, Carboniferous rocks in 170, 



179, 189, 190, 191 



^faroon formation in 178 



Silurian strata in 1-54-155 



.Sawatch quartzite, age and equivalents of. 1.55,156,200 



character and thickness of 140-143, 157, 200 



Scaphiocrinus carbouarius 35 



Scaphopoda, descriptions of species of 450 



Schiel. James, work of 11 



Schizodus 36 



a fhnis " 441 



cuneatus? 2.53, 439-440, SU 



curtus ; 46 



raeekanus 2.53, 440 



ovatus 440 



paudatus? 253, 440 



ros-sicus 441 



syfnmetricus 441 



wheeleri 35 



whederi (pars) 440 



sp 247,2.51,260,440-441 



Schuchert, Charles, acknowledgments to 8 



Section Ridge, fossils from 46 



Sedgwickia concava 46 



topclcaauie 439 



topekensis 2.53, 4S!i 



Si:minula argciitca 405 



at'geiiHa 405 



caputserpentis 406 



charitonensis - 406 



claytoni 224, 230, 296 



differentius 406 



hawni 406 



humllis? 229, 230, 29S, 299 



immatura J 296 



singleton! 406 



subquadrata 22) , 223, 226, 229, 230, 296-298, 299,436 



