INDEX. 513 



Page. 



Juglans rupesl ris 44 



Junco 63 



Juniper, alligator 42 



California 42 



( UK '-seed 41 



Juniperus californicus 42 



mom isperma 41 



pachyphlcea 42 



Koeberlinia 63 



spinosa — 63 



La \i>r;i Plain J17 



I .a ( !ar] >a , S< >n< ira 20, 128 



La .Mia. California 22, 138 



La Osa. Arizona IS. 112 



La Morita Mountains 13 



1 & Xoria 17 



La Represo 18 



vegetation at I ID 



La Ventana 18 



La Ventura Ranch 114 



Laguna del Alamo 21 



Laguna Mountains '22, 139 



tl< ira of 1 35 



Laguna of Salt on River, Lower California 130 



Laguna Station. California 131 



Lake Guzman : 28 



collections from 82 



Lake Palomas It). 28 



Lang's Ranch 12, 15 



Laurel, California 56 



Lechuguilla Desert L9, 20 



Mountains 19 



Lemmings 493 



Lepus floridauus holzneri 286 



Libocedrus decurrens 40 



Life areas of the Mexican Boundary Region 70 



Life /.ones of Old World, correlal ion of. with those of New World 72 



primary 71 



secondary 71 



Locust, New Mexico 62 



Rower Boreal Life Zone 39,49 



t 'alifornian tropical flora 1.", 



corner monument . flora of 86 



Sonoran Life Zone 32 59,61 



Lyonothamnus floribundus asplenifolius 56 



McMaster, Lieutenant < reorge H II 



McYav. Lieut ena ni Earlan'E 6, L3 



Madrona. Arizona 66 



Mahogany, birchleaf 57 



entireleaf 57 



Mammals of the Mexican Boundary Region 1 19 



30639 No. 56— 07 m 33 



