INDEX. 



Page. 



Abies concolor 40 



Acacia f arnesiana 58 



greggi 59 



Acer negundo ' , , , 63 



saccharum grandidentatum .' 63 



Acknowledgments '. 6 



Adenostoma sparsifolium .0 57 



Adonde Siding 40, 124 



Agua Dulce ' 18, 119 



Prieta Rancli .' 97 



River 13, 29 



Aguila Mountains 10 



description of 82 



Alder, red 49 



Alnus oregonar. ■ 49 



Alpine, California 22, 138 



Altar River, Sonora '. 113 



Amarantus reflexus 478 



Amelanchier alnifolia , 1 . . . 57 



Ammospermophilus 297, 320 



harrisii 300, 303, 306, 320 



saxicola 306 



leucurus -. ,. 299, 301, 337 



cinnamomeus 299, 301 



interpres : 301 



peninsulse 299 



Ancient cliff dwellings ,. 87 



Animas Mountains 30 



description of 92 



Range of the San Luis Mountains 91 



Valley , 12,15 



aboriginal earthwork in 94 



astronomical camp located in 94 



Antelope ground-squirrel 299 



Mexican prong-horn 221 



Anthony, A. W 5 



Antilocapra •. , . - 220 



americana 222 



mexicana 221 



AntilocapridEe ; 220 



Apache ground-squirrel , 333 



Mountains, description of ,...,.. 84 



squirrel 270 



wood-mouse 410 



wood-rat 49I 



503 



