124 GLACIAL PHENOMENA IN MAINE. 
cial theory, then in its infancy; and the ridi¬ 
cule thrown upon the idea that the polished 
and scratched rocks of the valley of Hash 
had been fashioned by ice. He considered 
these appearances as the natural effects of the 
shrinking of melted masses under the process 
of cooling, which might produce some dis¬ 
placement or movement of successive layers 
one upon another, leading to marks of different 
kinds belonging to the structure of the rock 
itself, and not due to any external action. 
Had the strata in this instance been vertical 
in their position, like those of which the roches 
moutonnees on Pushaw Lake consist, instead 
of slanting but slightly, like those of the val¬ 
ley of Hasli, such an interpretation could not 
have been admitted for a moment, and the 
doctrine of a former greater extension of gla¬ 
ciers would perhaps have been recognized 
twenty-five years earlier by scientific men. 
From Bangor eastward to Eastport, I have 
made but a hasty survey, — not in the present 
journey, which included only the country be¬ 
tween the Katahdin Iron Works and Mount 
Desert, but on a former occasion. I then no¬ 
ticed, that, at intervals, between Bangor and 
