580 INDEX, 



Page. 



Willow, desert 68 



longleaf 46 



longstalk •. 45 



Nuttall :> - , 47 



smoothleaf ' -_ 46 



yewleaf , 46 



Wood-mouse, Apache , ....: .^ . . = , 410 



Arizona '. . . , ': 391 



Texas gray 1.. 404 



Wood-rat .' ; 1 318 



Apache 491 



Attwater. ' 469 



Banning 486 



Chihuahua 491 



Colorado River , ...^i 472 



Eastern Desert ' .• ; 482 



hermit ,. , '. 487 



pallid , • 471 



pine ; ...., '. .'.'. 490 



pretty r 492 



Rhoads , 484 



San Diego ' 488 



small-footed , 470 



Stephens 493 



Texas ' 470 



Western Desert 475 



white-throated 47(j 



Wood-rats 4g7 



Wragg'e Ranch, Texas .■ ^-y 



Xanthium ^ 3gg 



Xerospermophilus...., , 328,329,336 



Yaqui Basin .' ^ 



Subtropical Tract ; 73 74 



Indians, characteristics of ,;, 4 26 



Ysleta, Texas ....!.! 9 



Yucca brevif olia 40 



constructa ^ ■___•, 4, 



desert ^ ; . .0 



large-fruit \ ...,;._ ■ 44 



macrocarpa , ,. 



Mohave 4, 



mohavensis 4 . 



radiosa ■_ _ ,., 



Schott ,„ 



treculeana ,„ 



Yuma, Arizona 2019k 



■^^'^®f ' - 19, 20! 123 



grasshopper mouse „„„ 



ground-squirrel . . _ „„„ 



Zizyphus, obtuseleat 



obtusifolius 



64 



o 



