The history of the American Association was then given:--

Prof. Mather, I believe, through Prof. Emmons, first suggested to

the New-York Board of Geologists in November, 1838, in a letter

proposing a number of points for their consideration. I quote

from him the following paragraph relating to the meeting. As to

the credit he has here given me of having personally suggested

the subject, I can say only that I had been in the habit for

several years of making this meeting of scientific men a sort

of hobby in my correspondence with such. Whether others did the

same, I did not then, and do not now know. Were this the proper

place, I could go more into detail on this point; but I will

merely quote Prof. Mather's language to the Board:--

* * * * "Would it not be well to suggest the propriety of a

meeting of Geologists and other scientific men of our country at

some central point next fall,--say at New-York or Philadelphia?

There are many questions in our Geology that will receive new

light from friendly discussion and the combined observations of

various individuals who have noted them in different parts of our

country. Such a meeting has been suggested by Prof. Hitchcock;

and to me it seems desirable. It would undoubtedly be an

advantage not only to science but to the several surveys that are

now in progress and that may in future be authorized. It would

tend to make known our scientific men to each other personally,

give them more confidence in each other, and cause them to

concentrate their observation on those questions that are of

interest in either a scientific or economical point of view. More

questions may be satisfactorily settled in a day by oral

discussion in such a body, than a year by writing and

publication."[A]

[Footnote A: In the letter alluded to, on examination, we

discover another passage bearing on the point, which, owing to

the Professor's modesty we suspect, he did not read. Prof. Mather

adds. "You, so far as I know, first suggested the matter of such

an Association. I laid the matter before the Board of Geologists

of New-York, specifying some of the advantages that might be

expected to result; and Prof. Vanuxem probably made the motion

before the Board in regard to it."]

Though the Board adopted the plan of a meeting, various causes

delayed the first over till April, 1840, when we assembled in

Philadelphia, and spent a week in most profitable and pleasant

discussion, and the presentation of papers. Our number that year

was only 18, because confined almost exclusively to the State

geologists; but the next year, when we met again in Philadelphia,

and a more extended invitation was given, about eighty were

present; and the members have been increasing to the present

time. But, in fact, those first two meetings proved the type, in

all things essential, of all that have followed. The principal

changes have been those of expansion and the consequent

introduction of many other branches of science with their eminent

cultivators. In 1842, we changed the name to that of the

Association of American Geologists and Naturalists; and in 1847,

to that of the American Association for the Advancement of

Science. I trust it has not yet reached its fullest development,

as our country and its scientific men multiply, and new fields of

discovery open.

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