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AMERICAN NATURALIST. 
Vol. I.—NOVEMBER, 1867.—No. 9. 
<“ 
MODERN SCIENTIFIC INVESTIGATION: ITS 
METHODS AND TENDENCIES.* 
BY PROF. J. S. NEWBERRY. 
Gentlemen of the American Association for the Advance- 
ment of Science: Every day of our lives we hear that : 
this is an age of progress; and that it is so we find evi- 
dence at every turn. The rapidity with which effects 
follow causes in human events, the celerity with which 
the plan is carried into execution, gives to a year in the 
experience of one of the present generation the practical 
value of a lifetime in ages past. Much labor has been 
expended on the exposition of the causes of the mental 
activity of the present age, and of the grand achievements 
which have attended it; and yet, the key to the whole 
or defend this proposition, and I must therefore trust to 
its acceptance without argument, while we pass to con- 
*Annual Address of the President, delivered at the Meeting of the American 
2 Sociation for the Advancement of Science, held at Burlington, Vt., August, 1867. 
Entered accor to Act of Co in the ; S in thi 
: mgress, year 1867, by the ESSEX INSTITUTE, in the 
Clerk’s Office of the District Court of the District of Massachusetts. 
AMERICAN NAT., VOL. I. 57 (449) 
