iScxual, iiuiiviilual, and nco^iapliical variations in Lc.iico.sticlc l.eplinjcotis, l»y J. 



A. Allen J ;545 



.Slicridau 2113 



(Shields River 198 



.Sierra Abajo 2'j,26,'M,4() 



Grande :i(J5,307 



Silurian strata 198, 205, 200 



Si}n)3S0n. ColouelJ. li 355 



Smoky Hill Valley ■ 215,217,219 



Snake Eiver 208 



Soda Butte Creek 199,207 



Solomon Ivi ver 212 



South Boulder Creek 198 



Spauisli Peaks 286,287,302 



Sphynx IMonntaiin 20fi 



Spring Cauou ' 205 



Springs in cliff Ki 



Saint Charles Plains 227 



Sterling .'. V,)^ 



Stiukin'gwater Creek 198 



Saint John, 0. 



Notes on the geology of North Eastern New Mexico 279 



Stratigraphical geology 211 



Studies of the American Falconidtc, by Robert liidgv^^ay 91 



Sucia Island :'.51, 353 



Sugar Loaf ]\Iound 212 



Summit , 198 



Synopsis of North American Earwigs, with an appoiicTix of the fossil species, bv 



S. H. Seudder 249 



Tabular summary of JIamnials 342 



Tauaja Butte 305 



Creek 305 



Taos Canon 294 



Mountains 299 



Pass 294 



Tegua, trail to 38 



Tertiary fonuatious 280,286,289,291) 



period 203 



plateau 285,298,302 



sandstones .■ 28() 



species of fossils 374 



system 211,212 



Tierr;> Amarilla 25 



Tower on JIaucos ]0 



McElmo 18 



Towers, double- walled 4-5 



on Kio San Juan 7 



triple-walled 18 



Trask.Dr. John B 356 



Triassic strata , 199:205 



Tunicha Slountains 38 



Uiutacrinus, note on the new genus, by F. B. Meek 375 



Upper basin of Canadian lliver 279 



Carboniferous 211 



Vcrmejo Eiver 300,302 



Urac Creek 285 



Mountains 282 



Ute Creek 289 



Indian 1 anguage, A'ocabulary of 75 



Indians, language and uteusilb of 71 



Peak.. 17 



Valley 2&9 



Vail Brimmer's Creek 29(i 



A'ancouver"s Island 351 



Vermejo ^lountains 298 



Parks - 296,301 



Ki ver 279 



Valley 288 



Virginia City 198 



