Ill. 
. 
Wasuineton, D. C., March 18, 1863. 
Sir :— 
Replies have been received to my circular letter of 
March 5th from more than three fifths of the members 
of the National Academy of Sciences named in the act of 
incorporation, a large majority of whom indicate no special 
date as more acceptable than another, leaning, however, to 
an early organization. 
Where a choice is indicated, the dates indicated are be- 
tween the last of March and beginning of July, the average 
being before the middle of May. May and June are ex- 
cepted by some of the members. 
I would therefore select, as convenient to the large part 
of the members, Wednesday, April 22d. 
I shall, if practicable, as suggested by many of the mem- 
bers, be present at 11 A. M., to call the meeting to order, at 
the Chapel of the University of the City of New York. 
I have the honor to be, with high respect, 
Your most obedient servant, 
HENRY WILSON. 
