512 INDEX. 



rage. 



International Boundary Comniission, first meeting of 



health of United States party 4 



Mexican members of 



number of persons in United States party 



at starting -'- 



plants gathered by. . ., 130 



report of 23 



subdivision of United States party 2 



United States members of 1 



Line, arid regions adjacent to 24 



collection of botanical specimens turned over to 



U. S. Department of Agriculture by 36 



International Boundary, monuments and sections of 7 



Rio Grande section of 7 



Region, deserts of 31 



flora of 32-36 



forests of 32 



geological formation of -"- 31 



Indians of 26 



inhabitants of » 25 



list of trees of 36-70 



literature concerning life areas of 71 



mountains of - 30 



primary f aunal regions ot 71 



principal settlements in 25 



report on rocks of 32 



secondary life zones of 71 



watersheds of 27 



Survey, biological section, collections made by 3 



itinerary of 8, 23 



organization of 2 



persons participating in 



field -work of 5 



reconnoissances of 5 



scientific "work accom- 

 plished by 3 



distance covered by 8 



general character of region explored by 23 



importance of water supply to members of 29 



monuments erected by 8 



rivers crossed by 28 



separate commission for survey of Rio Grande 



section of 7 



Ironwood, San Clemente 56 



Sonora •. 62 



Irwins Pass 15 



Ixodes bovis 202 



Jacumba Hot Springs, California 21, 134 



Jamul Creek, California 22, 136 



Johnston's Ranch 98 



flora of the Mule Mountains 98 



Johnston's steam pump. 14 lOO 



Juarez, Mexico i 9 



