514 INDEX. 



Page. 

 Mammals, summary of, collected by the biological section of the International 



Boundary Commission 149 



Mangle 61 



Manzanita G7 



Maple, largetooth 63 



Marmotinge 338 



Marmots 247, 338 



Marsupialia '. 150 



Marsupials 150 



Meadow-mice 493 



Meadow-mouse, Arizona 500 



California 498 



Graham Mountain 500 



Guadalupe Mountain 501 



MogoUon Mountain 501 



San Francisco M(juntain 500 



Mearns, Louis Di Z. , collector 6 



Mearns, Major E. A., medical officer of Boundary Commission 2 



temporary detail to Fort Clark, Texas 1, 2 



Megadontomys 403 



Melia azedarach unliraculifera 69 



Merriam chipmunk 295 



Merton, Ernest C, acting hospital steward 6, 15 



Mesquite 59 



Lake 21 



Mexican bighorn 233 



Boundary, monuments and sections of 7 



numbers of monuments on 8 



old monuments of 8 



Rio Grande section of 7 



Sciurus, key to 248 



Region, life areas of 70 



tropical area of 71, 72 



buckeye 63 



cherry 58 



cougar - 201 



elder 68 



mule deer 191 



persimmon 67 



piilon 37 



pronghorn antelope 221 



Mice, plains - 384 



wood 402 



Microtinse 493 



Microtus 498 



alticola 500 



leucophgeus 500 



californicus - 498 



hyperythrus -• 499 



mexicanus guadalupensis 501 



mogollonensis 501 



montanus arizonensis 500 



Middle Texas Tract ..,,.,. 32, 35, 73, 74 



