Physiology and Hygiene for Secondary Schools
by Francis M. Walters, A.M.
Edition 1, (November 15, 2005)
D.C. Heath and Co. - Publishers
Original copyright 1909
"It is quite possible to give instruction in this subject in such a manner as not only to confer knowledge which is useful in itself, but to serve the purpose of a training in accurate observation, and in the methods of reasoning of physical science."—Huxley.