admire acrobatics, and will give them some idea of the difficulties mastered by the professional, whose work they will more fully appreciate. I wish your book every success."
E. Hitchcock, Jr., M.D., Director of Department of Hygiene and Physical Training, Cornell University: "It has always seemed to me that this graphic method of instructing is the most useful, and I know that this subject in your hands will help enormously in instructing in a decidedly difficult branch of gymnastic work."
E. Hitchcock, M.D., Amherst College, Pratt Gymnasium: "In physical education, as in many other branches of mental and bodily training, there are some advanced branches which are adapted to the few and not the many. Acrobatic work is one of these. But it should be controlled, cultivated, and made good use of, like the other work, which may be undertaken by anybody. It is a pleasure to know that a manual on this subject is to be prepared and furnished for our use by one so capable to issue the book as is Dr. Gwathmey, of Vanderbilt University. We shall wait impatiently to get hold of it."
R. F.. Nelligan, Instructor, Amherst College: "For sound men and boys tumbling is one of the best and most exhilarating of exercises, when practised under favorable conditions. Of course tumbling on a brick sidewalk differs from tumbling on a hair-stuffed mattress, with the aid of the safety appliances while learning. It has been said that one can not learn after reaching maturity. This is not so, as many first-class tumblers did not commence until after reaching twenty-five. At the age of thirty-two I was induced to take up tumbling under Dr. Gwathmey, and, with the aid of his safety ap-
