LETTER OF TRANSMITTAL. 
U. S. DEPARTMENT OF AGRICULTURE, 
DIVISION OF BIOLOGICAL SURVEY, 
Washington, D. C., May 19, 1899. 
Sir: I have the honor to transmit herewith for publication, as North 
American Fauna No. 16, a report on the results of a Biological Survey 
of Mount Shasta, California, made during the summer of 1898. 
Respectfully, 
C, Harr MERRIAM, 
Chief, Biological Survey. 
Hon. JAMES WILSON, 
Secretary of Agriculture. 
