INDEX. 



A. **& 



A!ii((iiin 



Abiquia copper-mines 



Peak 



Aotscon interoalarie 



Aletbopteris Mexicans, (Plate VI.) 



Serlii 



Wbitneyi H5 



98 



67 

 69 



129 



18 



Allorit 



38, 51, 52, 77, 91 , 99, 102, 107, 133 



128 



Aminunitrs 



Auchnra Newberryi 



Animas ..76,80,81 



Annul aria epbenopbylloidea *° 



Anotnia uitida 



99 



Aporrbais 



Aquarius Mountains 



55,60 



49 



Arohroooidaris 18,21,47 



Araucaria 



■l.- 



Arkansas basic 



•J.". 



Arroyo SeoO 69 ' ™ 



Arteinesia- 



Atbyria 19,21,43,45,46,96,98,99,138 



Atrypba (;,) 



Avioula 



i • l ( t -'0 47 



Axmus LV > ~ v >^' 



Aztec Mountains. ,)0 



15. 



Baculites 72,99,102 



anoeps *30 



" Bad Lands " of the Missouri 20 



Nebraska 27 



Bakevellia 19,20,21,47 



Basall 26,32,52 



Bear's Ears 85,103 



Bellerophon 19,20,21,47 



Black Hills B 9 . 87 



Braobypbyllum 69 



Huttes in Canon Colorado 69 



west of Nacimiento Mountain 112 



near San Juan River 1015, 104 



C. 



CabezoD 1 



Calamites " 45,49 



Camptopteris Remondi 146 



Canon of Grand River 97 



Green Rivor 97 



Largo 0,04, 109 



Pintado 90,92 



Canons 97 



Caprotina bicornis 126 



Carboniferous rocks 15, 18,63,97, 106 



Page. 



( !arboniferous scries 16,22, 62 



summit of 95 



strata Hi, 17,19,42,46,66 



Cardinni bellulum 128 



Casa Colorado 92 



Cataract Creek 9g 



Cephalopoda 130 



Cerbat Mountains 55,59 



Cerrillos, mines of the 40, 41 



Cerro del Navajo 73 



Chalk formation 24 



Chalclmitl 41 



Chaina 5, 6. r >, 70 



Cbonetea 19 



Cimarron River 7,24,25 



Circeopsis 52 



Clay 19,24 



Coal 17,39,98 



Coal-plants, Kansas 17 



Coal-.Mcasurcs, Illinois 17 



Kansas 10, 17 



Missouri 16 



Santa Fe" 46 



Cobre 68 



( logSWell, Lieut. M 7 



Colorado River 53 



basin 53, 55, 83, 93 



Canon 37, 42, 53, 93 



Cbiquito 56 



Mountains 59,64,84 



plateau 54,60,62,94 



Conglomerate 27,29,81 



Conifers, Abiqniu eopper-mines .. 69 



Copper, old placer 40 



Abiqniu 67 



Los Cerrillos 41 



Rocky Mountains 59 



Santa ¥6 37 



Cottonwood Creek 18 



Spring 30, 31 



Cordaites 45 



Crassatclla Shumardi 127 



Creston, the 107 



Cretaceous formation 22, 25, 50, 63, 75, 77, 110 



Upper 32, 50, 71, 84, 108, 121 



Lower 16, 24, 32, 50, 63, 121 



Middle 16, 32, 71, 121 



rocks 24,76 



sandstone 23, 34 



Cuchillo 66 



Cypriineria crassa 128 



