514 INDEX. 



Page. 



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



Boundary Commission 149 



Mangle 61 



Manzanita 67 



Maple, largetooth 63 



Marmotinae 338 



Marm< >ts : 247, 338 



Marsupialia 150 



Marsupials 150 



Meadow-mice 493 



Meadow-mouse, Arizona 500 



California 498 



Graham Mountain 500 



Guadalupe Mountain 501 



Mogollon Mountain 501 



San Francisco Mountain 500 



Mearns, Louis Di Z., collector 6 



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



temporary detail to Fort Clark, Texas 1,2 



Megadontomys 403 



Melia azedarach unbraculifera 69 



Merriam chipmunk 295 



Merton, Ernest ( '., acting hospital steward 6, 15 



Mesquite 59 



Lake 21 



Mexican bighorn .' 233 



Boundary, monuments ami sect ions 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 



tropica] area of 71. 72 



buckeye 63 



cherry ' 58 



cougar 201 



elder '. 68 



mule deer 191 



persimmon 67 



pi non 37 



pronghorn antelope 221 



Mice, plains 384 



w< iod 402 



Microtinse t93 



Microt us 498 



alticola 500 



leucophaeus 500 



californicus 498 



hyperythrus 499 



mexicanus guadalupensis 501 



mogollonensis 501 



montanue arizonensis 500 



M Lddle Texas Tract 32, 35. 7X 74 



