INDEX. 519 



Fage. 



Pedrogosa Mountains 30 



Pepper tree 69 



Peromyscus 367, 382, 402 



arboreus 382 



arizonse *- 4QS, 410 



auripectis 433 



boylii 411, 413 



attwateri 414, 423 



pencillatus 414, 422 



pinalis 415, 416, 439 



robustus 429, 430 



californicus 414, 416 



insignin 429 



eremicus . . ." 386, 415, 428, 429, 431, 436, 442, 444 



anthonyi 411, 438 



arenarius 436, 441 



fraterculus 432, 436 



gilbert! 437 



herronii 427 



nigellus 437 



leucopus 386, 387, 389, 393, 403 



major 416 



martirensis 425 



mearnsi 403, 406 



merriami 434, 443 



michiganensis pallescens 401, 406 



sonoriensis .- 384, 386, 390, 392 



blandus 385, 386, 387, 389, 390, 393, 415 



dementis 390, 400 



deserticola 384, 390, 394, 434 



medius 390, 398 



nebrascensis 387, 389, 390 



rufinus 390, 391, 411 



Stephens! 427, 428 



texani!s 387, 404, 406 



tiburonensis. 439, 444 



tornillo 408, 411 



truei 426 



Persimmons, Mexica!! 67 



Piedras Negras ^ 13 



Pine, Arizona 38 



broad-leaf 38 



big-coi!e 39 



b!!ll 39 



Chihuahua 39 



Coulter 39 



gray 39 



Mayr 38 



Sabine 39 



squirrels, tuft-eared 249 



Torrey. 38 



Pine Valley, San Diego County, California 23, 139 



Piiion 37 



