INDEX. 



543 



Quercus attenuata 505 



banksifBfolia 505 



Benzoin 505 



Boweniana 505 



Chamissoni 505 



chlorophylla 504, 505 



cinereoides 504 



Cleburni 505 



convexa 504 



coriacea 505 



crassinervis 505 



cuneata 490 



distincta 505 



drymeja 505 



elsBooides 504 



elliptica 505 



Ellisiana 505 



Ellswortbiana 490 



Evansii 505 



flexuosa 505 



? fraxinifolia 505 



Furuhyeluii 505 



Gaudini 506 



Godeti 505 



Gcepperti 505 



Haidingeri 505 



Haydenii 505 



hexagona 490 



Ilicoides 516 



Laharpi 505 



Lyelli 505 



Moorii 505 



mulrineivis 505 



myrtifolia 505 



negundoides 506 



neriifolia 504 



Nevadensis 505 



paudureta 505 



Pealei 505 



platania 505 



platinervis 505 



poranoides 490 



pseudo castanea 505 



pseudo-lyrata 506 



retracta 505 



Saffordi 505 



salicifolia 490 



sinuata 490 



straminea 504 



triangularis 505 



Valdensis 505 



Viburnifolia 505 



virens 505 



Voyana 505 

 Rainfall, table of monthly and anunal 315 i 

 Eanche, Postal's 475 

 Randolph, Wyo. 486 

 Rau, Dr. Charles 403 

 Raven Park 368 

 Rawlins Springs 164 

 Red Beds, White River 72 

 Rock Basin 371 

 Stratum 226 

 Relations of porphyritic trachyte 242 



of valleys to geological struct- 

 ure, &c. 52 

 Relative humidity, table of 317 

 Remarks on specimens of Cretaceous and 



Tertiary plants 481 

 Report of A. C. Peale 161 



Report of A. D. Wilson 275 



-»w A. S. Packard, jr. 521 

 C. A. White 3 



Henry Gannett, on the arable 

 and pasture lands of Colorado 

 311-347 

 George B. Chittenden 349 

 Gustavus R. Bechler 359 

 Leo Lesquereux 481 

 W, H. Jackson 409 

 Report on the ancient ruins of southwest 

 Colorado, &c. 383,411 

 on the Chaco cranium 453 



geology of a portion of North- 

 western Colorado 5 

 geology of the Sierra Aba jo, 



&c. 189 

 geology of the White River 



district 63 

 primary triangulation of 

 Colorado 277 

 Reports of F. M. Endlich 61, 133, 197 



William H. Holmes 187, 381 

 W. J. Hoffman 451,459 

 Res ervoirs for irrigation 341-343 

 Ehagium lineatnm 530 

 Rhamnese 516 

 Rhamnus alaternoides 517 

 cleburni 517 

 concinnus 517 

 discolor 517 

 elegans 517 

 Gaudini 517 

 Goldianus 517 

 inaequalis 517 

 intermedins 517 

 marginatus 517 

 obovatus 517 

 rectinervis 517 

 Rossmassleri 517 

 salicifolius 517 

 ten ax 494 

 Rhizocarpse 498 

 Rhizocaulon gracile 502 

 Rhoda, Mr. F. 401 

 Rhyolite 229 

 Rhyolite, intrusive 230 



massive 229 

 Rhyolitic dikes 231 

 Rhus Boweniana 518 

 dispersa 518 

 Drymeja 513 

 Evansii 518 

 Haydenii 518 

 membranaoea 518 

 metopioides 518 

 mixta 518 

 myricfefolia 518 

 nervosa 518 

 pseudo-meriani 518 

 rossefolia 518 

 typhinoides 518 

 Rio Animas 401 

 Colorado 190 

 deChelly 191,412 

 del Tizon 467 

 Dolores 189, 196, 400 

 Grande, arable area of 329, 330 



profile of 330 

 La Plata, profile of 332 



