"ART. 21. Where by any of these rules one of two vessels is to keep out of the way the other shall keep her course and speed.
"NOTE.—When, in consequence of thick weather or other causes, such vessel finds herself so close that collision can not be avoided by the action of the giving-way vessel alone, she also shall take such action as will best aid to avert collision." (See articles 27 and 29.)
That article 31 be amended to read as follows:
"DISTRESS SIGNALS.
"ART. 31. When a vessel is in distress and requires assistance from other vessels or from the shore the following shall be the signals to be used or displayed by her, either together or separately, namely:
"In the daytime—
"First. A gun or other explosive signal fired at intervals of about a minute.
"Second. The international code signal of distress indicated by N.C.
"Third. The distance signal, consisting of a square flag, having either above or below it a ball or anything resembling a ball.
"Fourth. A continuous sounding with any fog-signal apparatus.