FINAL, ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 357 



CALLBREATH, J. F., Munsey Building, Washington, D. C. 

 Delegate American Mining Congress. 

 Member of Committee, Subsection i, Section VII. 

 Paper presented : Government Control of Minerals on Public Lands. 



CALLEJAS, MIGUEL, Director of the Mining Society, San Antonio de 



Oriente, Honduras, Central America. 



Paper presented: Concentration and Metallurgy at the San Antonio 

 Mines. 



CAMERON, R K., Department of Agriculture, Washington, D. C. 

 Delegate Chemists Club. 



CAMINETTE, A., Department of Labor, Washington, D. C. 

 Alternate Bureau of Immigration. 



CAMPBELL, J. P., University of Georgia, Athens, Ga. 

 Delegate University of Georgia. 



CAMPBELL, M. R., Geological Survey, Washington, D. C. 

 Chairman of Subsection i, Section III. 

 Paper presented : The Coals of the United States. 



CAMPBELL, P. I/., President, University of Oregon, Eugene, Oreg. 

 Delegate University of Oregon. 



CAMPBELL, WILLIAM WALLACE, Director, Lick Observatory, Mount 



Hamilton, Cal. 



Official Delegate of the United States. 

 Delegate 



American Astronomical Society. 



American Association for the Advancement of Science. 

 Paper presented : 



Work at Lick Observatory. 



(a) At Mount Hamilton, Cal. 

 (6) In Chile, South America. 



CAMPOS, His Excellency GUILLERMO, Minister of Honduras to Guate- 

 mala, Guatemala City, Guatemala, Central America. 



Delegate International Central American Bureau. 



Paper presented: Resources of Honduras and Its Commercial Devel- 

 opment. 



CANADA, WILLIAM J., Bureau of Standards, Washington, D. C. 

 Delegate Western Association of Electrical Inspectors. 



