12. No person may be substituted for another who has already rowed or steered in a heat. 13. The secretary of the regatta, after receiving the list of the crews entered, and of the substitutes, shall, if required, furnish a copy of the same, with the names, real and assumed, to the captain or secretary of each club or crew entered, and in the case of pairs or scullers to each competitor entered. _Objections._--14. Objections to the entry of any club or crew must be made in writing to the secretary at least four clear days before the regatta, when the committee shall investigate the grounds of objection, and decide thereon without delay. 15. Objections to the qualification of a competitor must be made in writing to the secretary at the earliest moment practicable. No protest shall be entertained unless lodged before the prizes are distributed. _Course._--16. The races shall commence below the Island, and terminate at the upper end of Phyllis Court. Length of course, about 1 mile and 550 yards. 17. Boats shall be held to have completed the course when their bows reach the winning-post. 18. The whole course must be completed by a competitor before he can be held to have won a trial or final heat. _Stations._--19. Stations shall be drawn by the committee. _Row over._--20. In the event of there being but one boat entered for any prize, or if more than one enter, and all withdraw but one, the crew of the remaining boat must row over the course to be entitled to such prize. _Heats._--21. If there shall be more than two competitors, they shall row a trial heat or heats; but no more than two boats shall contend in any heat for any of the prizes above mentioned. 22. In the event of a dead heat taking place, the same crews shall contend again, after such interval as the committee may appoint, or the crew refusing shall be adjudged to have lost the heat. _Clothing._--23. Every competitor must wear complete clothing from the shoulders to the knees--including a sleeved jersey. _Coxswains._--24. Every eight-oared boat shall carry a coxswain; such coxswain must be an amateur, and shall not steer for more than one club for the same prize. The minimum weight for coxswains shall be 7 stone. Crews averaging 10-1/2 stone and under 11 stone to carry not less than 7-1/2 stone. Crews averaging 11 stone or more, to carry not less than 8 stone. Deficiencies must be made up by dead weight carried on the coxswain's thwart. The dead weight shall be provided by the committee, and shall be placed in the boat and removed from it by a person appointed for that purpose.