UNITED STATES AND MEXICAN 



5 



UNDER THE ORDER OF 



LIEUT. COL. W. H. EMORY, 



MAJOR FIRST CAVALRY, AND UNITED STATES COMMISSIONER 



ILE 



THE BOUNDARY, 



BY 



SPENCER F. BAIRD, 



ASSISTANT SECRETARY OF THE SMITHSONIAN INSTITUTION 



WITH NOTES BY THE NATURALISTS OF THE SURVEY. 



1 r 



WlSSOUIfl BOTANIC 

 JBARDEN L.IBRARJ 





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PT 



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