4^6 The Sniithsojiian Institution 



B. BOUNDARY SURVEYS. 



5. The survey of the hne between the United States and 

 Mexico, first organized under Honorable J. B. Weller, as 

 commissioner, and Major W. H. Emory, as chief of the scien- 

 tific department, then under John R. Bartlett, commissioner, 

 and Colonel J. D. Graham, chief of the scientific corps, suc- 

 ceeded subsequently by Major W. H. Emory, then under 

 General R. B. Campbell, commissioner, and Major W. H. 

 Emory, chief of the scientific corps, 



6. The survey of the boundary line of the Gadsden pur- 

 chase, under Major W. H. Emory, commissioner. 



C. SURVEYS OF A RAILROAD ROUTE TO THE PACIFIC. 



7. Along the 47th parallel, under Governor I. I. Stevens. 



8. Along the 38th and 39th parallel, under Captain J. W. 

 Gunnison. 



9. Along the 41st parallel, under Captain E. G. Beckwith. 



10. Along the 35th parallel, under Lieutenant A. W. 

 Whipple. 



11. In California, under Lieutenant S. R. Williamson. 



12. Along the 3 2d parallel, western division, under Lieu- 

 tenant J. G. Parke. 



13. Along the 3 2d parallel, eastern division, under Captain 

 J. Pope. 



14. In a portion of California, under Lieutenant J. G. 

 Parke. 



15. In northern California and Oregon, under Lieutenant 

 R. S. Williamson. 



D. MISCELLANEOUS EXPEDITIONS UNDER THE WAR 



DEPARTMENT. 



16. Expedition along the 3 2d parallel, eastern division, for 

 experimenting upon artesian borings, under Captain Pope. 



17. Exploration of Red River, under Captain R. B. Marcy. 



