EXECUTIVE MANSION, _December 17, 1883_.
_To the Senate and House of Representatives:_
I transmit herewith, for the consideration of Congress, a communication
from the Secretary of the Navy, dated the 10th instant, inclosing a
letter from the Surgeon-General of the Navy respecting the advisability
of providing for representation on the part of the United States in any
international convention that may be organized for the purpose of
establishing uniform standards of measure of color perception and
acuteness of vision.