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._





PREFACE