INDEX. 519 



Page. 



Pedrogosa Mountains . . 30 



Pepper tree 69 



Peromyscus 367,382,402 



arboreus 382 



arizonse • -H> s . I in 



auripectis 433 



boylii 411,413 



attwateri 41 1. 123 



pencillatus 111. 122 



pinalis 415,416, 439 



robustus 429, 430 



californicus 414,416 



Lnsignis 429 



eremicua 386, H5, 128,429,431,436,442, 111 



antbonyi 111. 138 



arenarius 436, 44] 



fraterculus 432, 436 



gilberti 137 



herronii 127 



nigellus 437 



leucopus 386, 387, 389, 393, W3 



major 41G 



mart ironsis 425 



mearnsi r 403, 406 



merriami 434, 443 



michiganensis pallescens 401, 406 



sonoriensis 384, 386, 390, 392 



blandus 385, 386, 387, 389. 390, 393, H5 



clement is 390, 400 



deserticola 384, 390, 394, 434 



medius 300, 398 



riebrascensis 387, 389, 390 



rufinus 390, 391. 1 1 1 



stephensi . . .' .427, 428 



texanus 387, 10 1. 406 



tiburonensis : 439, 444 



tornillo 108, 411 



truei 426 



Persimmons, Mexican 67 



Piedras Negras 13 



Pine, Arizona 38 



bmad-leaf 38 



big-cone 39 



bull 39 



Chihuahua 39 



Coulter 39 



gray , 39 



Mavr 38 



Sabine 39 



squirrels, tuft-eared >. 249 



Torrey 38 



Pine Valley, San Diego County. California 23, L39 



Pifion 37 



