Any crew of amateurs who are members of any of the boat clubs of colleges, or non-collegiate boat clubs of the Universities, or boat clubs of any of the Public Schools, in the United Kingdom only, shall be qualified to contend for this prize; but no member of any college or non-collegiate crew shall be allowed to row for it who has exceeded four years from the date of his first commencing residence at the University; and each member of a Public School crew shall, at the time of entering, be _bona fide_ a member '_in statu pupillari_' of such school. THE VISITORS' CHALLENGE CUP, FOR FOUR-OARS. The same as for the Ladies' Challenge Plate. THE THAMES CHALLENGE CUP, FOR EIGHT-OARS. The qualification for this cup shall be the same as for the Grand Challenge Cup; but no one (coxswains excepted) may enter for this cup who has ever rowed in a winning crew for the Grand Challenge Cup or Stewards' Challenge Cup; and no one (substitutes as per Rule 7 excepted) may enter, and no one shall row, for this cup and for the Grand Challenge Cup or Stewards' Challenge Cup at the same regatta. THE WYFOLD CHALLENGE CUP, FOR FOUR-OARS. The qualification for this cup shall be the same as for the Stewards' Challenge Cup; but no one shall enter for this cup who has ever rowed in a winning crew for the Stewards' Challenge Cup; and no one (substitutes as per Rule 11 excepted) may enter, and no one shall row, for this cup and for the Stewards' Challenge Cup at the same regatta. THE SILVER GOBLETS, FOR PAIR-OARS. Open to all amateurs duly entered for the same according to the rules following. THE DIAMOND CHALLENGE SCULLS, FOR SCULLS. Open to all amateurs duly entered for the same according to the rules following. * * * * * GENERAL RULES. _Definition._--1. No person shall be considered an amateur oarsman, sculler, or coxswain-- (_a_) Who has ever taken part in any open competition for a stake, money, or entrance fee; (_b_) Who has ever knowingly competed with or against a professional for any prize; (_c_) Who has ever taught, pursued, or assisted in the practice of athletic exercises of any kind for profit; (_d_) Who has ever been employed in or about boats, or in manual labour for money or wages; (_e_) Who is or has been by trade or employment, for wages, a mechanic, artisan, or labourer, or engaged in any menial duty. _Eligibility._--2. No one shall be eligible to row or steer for a club unless he has been a member of that club for at least two months preceding the regatta, but this rule shall not apply to colleges, schools, or crews composed of officers of her Majesty's army or navy.