v 





Entered, for the Commonwealth of Pennsjdvania, in the year ]880, according 



to acts of Congress, 



By WILLIAM A. INGHAM, 



Secretary of the Board of Coynmissioners of Geolor/ical Survey, 



In the office of the Librarian of Congress, at 



Washington, D. C. 



SEEN BY ^\ 

 PRESE^IVATION' 

 SERVICES 



Stereotypi'<i and printed by 



LANE S. HAKT, State Printer, 



Harrisljurfc, Pa. 



