Entered according to Act of CongreBS, in the year 1869, 



By CAPT. JOHN KOSS, 



In the Clerk's Office of the District Court of the United States for 

 the Northern District of California. 



Printed by SPAULDING & BARTO, 



Mining Aist) Scientifio Peess Job Opfice, 



4U Clay Street, San Francisco. 



