INDEX. 



151 



N. Page. 



Nacimiento Mountain 7,37,50,67,102, 109,112,114 



Nautilus 19,45,51,77,99 



Navajo Spring 71 



Needles, The 10:?, 107 



Network of canons 97 



Neuropteris llexuosa 18 



hirsiitu 18 



Newberry, Dr. J. S 1,7,9,135 



O. 



Ojo del Cuerbo 90 



Ojo Verde 5,93 



Ojos Heriondos 86 



Old placer M>, 40 



Oolite 22 



Orejas del Oso 85, 103 



Orthis 45 



Orthiniiia 21,43,45.98 



Ostrea congesta 33, 72, 77, 87, 99, 115 



elegantula 33 



lugubris 52,77,107,123 



nniforinis 124 



Otozainites 69,141,142 



Macoinbii 141 



Oxyrhina 33,141 



P. 



Pachyphyllnin 69 



Pagosa 5,74,77 



Palyssia 69 



Pawneo Fork 22 



Pecopteris arboresceus 18, 49 



bnllatns 143 



falcatna i 144 



Mexicaua 143 



Stutgurdtensis 69 



Pecos 49 



Pernio-carhoniftToiis group 20 



I'feiffer, AlBert H 5,67,68,69 



Piedra Parada 77 



Placer Mountains 38 



Plateau west of Rocky Mountains 54 



Plateaus bordering Canon Largo 109 



Platyceras 45 



Plenrophorona 19,20,47 



Pleurotoiuaria 98, 140 



Plicatula areuaria 126 



Podozamites crassifolia , 145 



Pope's Well 51 



Porphyry 26,27,41,52,76,77,81 



Prioncyclus Macombii 132, 133 



Productus 19, 21, 43, 45, 46, 58, 98, 99, 140 



Puerco 7 



Q. 



Quartz 26,27,37,41 



Quercup !t!) 



R. 



Rabbit-Ear Buttes 31 



Rain-fall 40 



Raton Mountains 25,28 



Red beds 47,56 



Red Fork of Canadian 31,32 



Page. 



Reservoirs 89 



Retzia mormon i 43 



Rhynchonella 21,45 



Rio de la Plata 81 



los Mancos 85 



Pinos 79 



Dolores 86 



Florido 79 



Grande 5 



Navajo 73 



Piedra 77, 78 



Rito Blanco 74, 76 



Rock Corral 37 



Rocks, jointed 77 



bright-colored 68, 90, 92 



Rocky Mountain system 55 



Mountains, time of elevation of the 57 



Ruins at Abiqnin 69 



Labyrinth Canon.'. 95 



in San Juan Valley 109 



on the Animas 80 



Dolores 88 



Sage-plain 67', 83, 85, 89 



Saliferous group 48 



Salix Meekii 24,31,32,87,99 



Sandia Mountain 56, 77 



Sand-hills 27 



Sandstone 24, 26, 33 



San Francisco Mountains 55,60 



San Juan 5,74,75,101,106 



San Juan River 106 



San Jos6 Spring 7 



San Mateo 55, 56, 60 



Santa Fe" 5,34,36 



geology of 36,37 



minerals of 38, 39 



Mountains 37, 38, 50, 65 



Santo Domingo 118 



Sarcobatus 90 



Saurian bones 91 



Scaphites Warreni 72,121 



Scoria 28,52 



Section of rocks at breaks of Red River 33 



btitt.es west of Nacimiento 



Mountain 112 



Canon Colorado.... 95 



Pintado 91 



Largo Ill 



camp 34 104 



Captain Pope's Well 52 



Cedar Spring 30 



Cerro Gordo 46 



Colorado Valley 99 



Clift's at Moqui villages 105 



Creston 108 



crossing of Arkansas 27 



Enchanted Spring... 29 



gorge of Santa F<5 River 45 



Labyrinth Creek 98 



Middle Spring of Cimarron 28 



Pawnee Fork 24 



