848 General Notes. 
degree of culture in the land of their forefathers, “ We might main- 
tain that we have his descendants in the Eskimo, and that they 
were finally driven north by the Indian, who, as is conceded by all 
students, migrated hither at a period, which, archzeologically con- 
sidered, was not exceedingly remote.” 
of Oberlin, Ohio, thus: “ To say that man was here before the 
antiquity. How long he may have been here previous to that, 
the glacial period’ is itself an indefinite expression. The glacial 
period was a long time in closing, theerosion of the Niagara gorge 
began at a time long subsequent to the deposit of gravel at ‘Trenton 
and at Madisonville. Between these two events a sufficient time 
? 
moose, and the man of that period was familiar with them all.’ 
A general session of the Association was held in the evening tO 
hear the retiring president, Prof. S. P. Langley, Secretary of the 
Smithsonian Institution, deliver his address, entitled, “ The History 
of a Doctrine.” The “Doctrine” was that of Radiant Heat or Energy- 
This address was profound and very learned, and yet by his na 
style of writing and dignified delivery, the Professor made it easty 
