Special automobiles (six passenger touring cars) may be chartered for
any scheduled tour, for exclusive use, on basis of $25.00 per day, or
part thereof, over and above the regular automobile per capita fare (see
pages 39 and 40) for each person for tour availed of: the minimum for
such special service will be 5 full fares plus the $25.00 per day or
part thereof. If there are more than six persons in party, an eleven
passenger type of car, if desired and if circumstances permit, will be
furnished on the same per capita basis, plus $25.00 per day or part
thereof.