384 



• 



rago. 



Pueblo 227 



Purgatoire 302 



Purgatory Eiver ...28(5,301,302 



Quateroary deposits ,. 207, 211 



Eaton coal-field 2^-5 



Hills 23 ), 2«7, 299, 300 



Pass 265,286 



I)lateau 288 



Eayado Mesa 283 



Eiver 282 



Eed Eiver Mountaius 291 



Eed Eock Creek 198 



Eestoratiou of aucieut tower 9 



Eidgway, Eobert. 



Ornithology of Guadaloupe Island ". 183 



Studies of the American Falconid;c 9 J 



Eio Chaco 19 



Costillo 299 



DeChelly 2G, 34 



Grande 227,289 



La Plata 6 



Mancas , « 10 



Mora .'•.. 280 



San Juau 7, 17, 66 



Eiver, Canadian 279, 283 



Chaco 19 



Cimarron , 279,230,281 



DeChelly 26,34 



Dolores .., 17,18 



East Fork of Yellowstone 199, 207 



East Gallatin 207 



Gallatin 197, 199, 200, 201 



Gray B ull 207 



Huerfano 227 



Jefferson 197,198,199,202,208 



Madison ,..197,199,200,201,207 



Mancos 10,17 



McElnu) -...17,85 



Missouri 197,199,208 



Niobrara .* 202 



San Juan 17,26,229 



Shields 198 



Snake :... 208 



Solomon 212 



Vermejo 279 



West Gallatin 206,207,208 



Yellowstone 198,200,203,207 



Eock-inscriptions 20 



Euined village on Eio la Plata 6 



Euius at Aztec Springs : 18 



Qjo Caliente, N. Mex : 19,24 



in Mancos Canon 10, 11, 14, 15, 17 



Montezuma Canon 30 



of Eio DeChelly 35,38 



San Juan . 7 



Southwestern Colorado 3 



the Hovenweep -.. 27,29 



on Epsom Creek 39 



West Montezuma Creek 43 



San Juan Eiver 17,26,229 



ruins of. 7 



Santa Fe marls 201 



Scudder, Samuel H. 



Brief synopsis of North American Earwigs 249 



Fossil Coleoptera from the Eocky Mountain Tertiaries 77 



List of the Orthoptera collected in Colorado in 1875 261 



Notice of a small collection of Butterflies 269 



Second canon of the Yellowstone 203 



