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ILLUSTRATIONS. 
Plate No. 1, view — the left bank of Rio Colorado, near Mojave village, looking Gë NE Wace Frontipico 
View of Fort 5 
View of the eig a river at the mouth of Longtown creek 13 
View of Rock Mary 25 
View on the Canadian, river at E 38 30 
Valley of La Cuesta, Rio Pec i 43 
Entrance of Santa Fé river n ‘the valley of Rio Grande, near Pefia Blanca 45 
Pueblo de Zuñi 67 
Sketch of a petrified tree near Lithodendron creek 74 
View of the San Francisco mountains fi Leroux’s spring 80 
View of Black Forest, Picacho, and mountains north of Aztec Pass 85 
. Sketch of a trap dike at Bivouac 2, January 26 95 
View from Bivouac 4, January 28 à 97 
Sketch of a Cereus Giganteus on Williams’ river 101 
. Valley of Williams’ river, near the beaver-dams 102 
p 103 
. Cañon of Williams’ river 108 
. Camp scene in the Mojave valley of Rio Colorado 113 
. Sketch of a Mojave raft 117 
. Sketch of a yucca tree upon the slopes of Pai-ute mountain 121 
