Any person who shall act as a guide, unless duly licensed by the
Trustees, shall be liable to a penalty of $100, to be recovered in
a civil action; and each and every violation shall constitute a separate
violation for which a separate penalty of $100 may be recovered in
the same action. Nothing herein contained shall prevent, impair or
deny the maintenance of any action or proceeding to compel compliance
with, or restrain by injunction, any violation of these rules and
regulations.