INDEX. 449 



Page. 



Rio de los Mimbres 276 



Eio de Papig&chic, or Conception 278 



Rio del Fuerte 278 



Eio de Santa Maria 280 



Eio Grande, Collections from the 37 



Eio Grande, Division of Eocky Mountains at 275 



Eio Grande, Features of 296 



Eio Grande, Level of, at El Paso 280 



Eio Mimbres 280 



Eio Yaqui 278 



Eitter 100,102,103,111,114,120 



Elvers, Influence of, upon Civilization 170 



Eivers in Mexico 278 



Elver Head, L.I 16,42,88,317 



Eives, John C, Stereotype Process adopted by 23 



Eoads in New Mexico 299 



Eoanoke, N. C 45 



Eobinson, Estimate of Spe«d of Camel .....o 110 



Eobinson's Landing 345 



Eochester, Wis 88 



Eochester, N. Y,, Temperature at 201 



Rock-fish 321 



Eocky Mountains 39,81,82,196,197 



Eocky Mountains, Divides into two Eanges 275 



Rocky Mountains, Southern Extremity of, defined 277 



Rocky Mountain Passes, not more rugged or steeper than those of Arabia and Tar- 



tary 117 



Eodgers, Lieutenant John 89, 90 



Rogers, Hon. Sion II 45 



Rogers, Jeremiah • --- 39,45 



Rolando, Lieutenant.. 89 



Romans, use of Camels in War by ■ US 



Rome, View of History of ^ 156 



Eouto Proposed for Pacific Eailroad 300 



Eoulin, Analysis of Woorara by 127 



Eoyal Society, Books distributed by 33 



Euhmkorff, Apparatus for Dia-Magnetism I'' 



Ruins of Abo, Description of - 300 



Ruins of Gran Quivira 307 



Ruing of New Mexico 309 



Ruins of Quarra - 302 



Russell, John 36 



Russell, Robert, First Lecture on Meteorology 1°1 



Second Lecture on Meteorology 1^^ 



Third Lecture on Meteorology 202 



Appendix to Lectures by 21<^ 



Russell's Rule for ascertaining Dew Point - >-. 19-^> 221 



Russell mentions Abstinence of Camel for Fifteen Days 109 



Mis. Doc. 24 29 



