The question of employing professional experts as teachers or "coaches" in college athletic sports has been hotly discussed of late in the colleges of Harvard, Yale and Princeton; and the rule, as applicable to base-ball, has been carried to the extreme of prohibiting college nines from playing matches with professional teams hereafter, Harvard inaugurating the movement in opposition to professionalism in the college sporting arena. Yale objects to having this rule observed, and Princeton has not yet endorsed it; but all the other colleges have joined Harvard in their opposition to playing baseball with professional teams. We cannot perceive any reasonable objection to college nines having practice-games with professional nines on their own college grounds; but when the amateurs go out of their way to benefit their club pecuniarily by arranging matches on professional grounds, as was done in this city, Philadelphia and Boston last April, the matter assumes a different shape, and presents good reasons for the objection made by the faculty to its continuance. [Ex.