H—In company-riding, the leader, on passing any one (whether driving, riding or walking,) should announce that others are following close after, and the rear man should in the same way signify that all have passed.
I—Inattention to these and other rules and courtesies of the road will cause annoyance to the public, and create prejudice against bicycling.
SIGNALS.
Sec. 8.—The following signals will be used when on a run in company, to preserve order and insure against accident:
Fall in—One long whistle.
Mount—One short whistle.
Dismount and Halt—Two short whistles.
Dismount and Walk—Two long whistles.
Form Twos—Two short whistles three times.
Form Single File—Three short well separated whistles.