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.