VI TABLE OF CONTENTS. 



Eeport of Geokge B. Chittenden, C. E., Topogkaphee of the White Kiver 

 Division, 1876 : 



Letter of transniittal 349 



Topographical report on the White Kiver District 351 



Grand Hogback 351 



Koan or Book Plateau 35'2 



Eeturn from the Held 356 



List of elevations in the White River District 357 



Eepokt of Gustavus R. Bechler, Topographer of the Yampa Division, 1876 : 



Letter of transmittal 359 



Topographical report on the Yampa Eiver District 361 



Chapter I. March from Eawlins Sj)ring8 to the White Eiver Agency.. . 361 



Chapter II. General description of the district. 365 



The country northwest of and adjacent to the White Eiver agency.. . 365 



Yampa and White Eiver divide 366 



The White Eiver Valley 367 



The Great Yampa Plateau 369 



Yampa Eiver 370 



Chapter III. Climatic and economic notes 373 



Chapter IV. Notes on triangulations and measurements of heights S76 



PAET III.— AECH^OLOGY AND ETHNOLOGY. 



Eeport of William M. Holjies : 



Letter of transmittal 381 



Eeport of the ancient ruins of Southwestern Colorado, examined during the 



summers of 1875 and 1876 -. 383 



Enined village of the Eio la Plata 387 



Group of cave dwellings and towers on tlie Eio San Juan 388 



Caiion of the Rio Mancos 391 



Cliff-houses of the Mancos 393 



Triple-walled tower 398 



Enins at " Aztec Springs" 399 



Euin at Ojo Caliente, New Mexico 401 



Pottery 403 



Eeport of William H, Jackson: 



Letter of transmittal 409 



Eeport of the ancient ruins examined in 1875 and 1877 ' 411 



Chapter I. Ruins of Southwestern Colorado and adjacent territory 411 



General description of the country 411 



Euins of the Hovenweep and McElmo 413 



Euins of the Eio San Juan 415 



Euins of the Eio De Chelly 420 



Euins of Epsom Creek 425 



Euins of Montezuma Caiion 427 



Chapter II. Euins of the Chaco Canon, examined in 1877 431 



Introduction 431 



The Pueblo Pintado 433 



The Pueblo Wejege 437 



Pueblo Una Vida 437 



Pueblo Hungo Pavie ■ 438 



Pueblo of Chettro Kettle 438 



Pueblo Bonito 440 



Pueblo del Arrovo 443 



Pueblos Nos. 8 and 9 .-. 444 



Pueblo Penasca Blanca 445 



Pueblo Alto and stone stairways 446 



Pottery 449 



Report of W. J. Hoffman, M. D. : 



Letter of transmittal 451 



Eeport on the Chaco cranium 453 



Cranium ., 454 



Eeport of W.J. Hoffman: 



Letter of transmittal 459 



Miscellaneous ethnographic observations on Indians inhabiting Nevada, Cal- 

 ifornia, and Arizona 461 



Introduction 401 



1. Dress, pastimes, &c 462 



2. Food 465 



