H^l 



b 



TRANSACTIONS OF IfKE 

 CONNECTICUT ACADEMY Oi^ ARTS AI'JD SCIENCES 



Incorporateu a. D. l<ytl 



VOLUME XIII. PF. 149-297 



NOV.. 1907 



Publications of Yale University 



THE STATE WORKS OF PENNSYLVANIA 



I'.V 



AVARD LONGLEY BISHOP, Ph.D. 



Instructor in Commercial Geography in Yale University 



NEV^ HAVEN, CONNECTICUT 



■^■-•^ 1907 



THE TUTTLE, MOREHOUSE & TAYLOR PRESS 



