INDEX. , 523 



Page. 



San Cleniente Island, California, fauna of 140 



flora of 139 



horned toads carried to 140 



mammals of 142 



San Diego, California 21, 22, 23, 137 



County, moUusks of 138 



reptiles and batracliians of 137 



desert mouse 436 



plains mouse 398 



River 29 



wood rat 488 



San Francisco Canyon, Chihuahua 12, 15, 89 



valuable collections obtained at 89 



San Francisco Mountain meadow-mouse 500 



vole 500 



San Francisco Water 11 



San Isidro Ranch, Lower California 22, 136 



San Jose Mountains., Mexico 13, 14, 30, 99, 100 



flora of 100 



reptiles collected at 100 



San Louis Mountains 11, 12, 15, 16, 30 



eastern base of 89 



vegetation of ■ 89 



flora of 90 



summit of : 89 



Springs 12, 92 



San Pedro Martir big-eared mouse 425 



River 13, 14, 15, 101 



important collections made at 101 



.Valley, flora of 101 



San Rafael Valley 105 



Sanco 69 



Santa Barbara Island Tract 73, 74 



River 14, 15, 17, 105, 106, 108 



Santa Catalina Mountains •. 110 



cacti of 110 



Santa Cruz, Sonora 17, 105, 106 



flora of 106 



Valley, Arizona 105 



Santo Domingo, Sonora., Mexico 18, 116, 117 



Santa Rosa Mountains 18 



Valley 115 



Sapindus marginatus 64 



Say ground-squirrel 309 



Sceloporus 489 



Schinus molle 69 



Schoenfeldt, I^udwig, hospital steward 6 



Sciuridse 247 



Sciuropterus 247 



alpinus californicus ^... , 247 



Sciurus 248 



aberti - 250 



durangi 251 



