As these little books are produced by English authors, they are naturally based very much upon English experience, but it matters little whence illustrations upon such subjects are drawn, because the essential conditions of avoiding disease and preserving health are to a great degree everywhere the same. VOLUMES OF THE SERIES. Exercise and Training. | The Heart and its Functions. (Illustrated.) | The Head. Alcohol: Its Use and Abuse. | Clothing and Dress. The House and its Surroundings. | Water. Premature Death: Its Promotion | The Skin and its Troubles. or Prevention. | Fatigue and Pain. Personal Appearances in Health | The Ear and Hearing. and Disease. (Illustrated.) | The Eye and Vision. Baths and Bathing. | Temperature in Health and Disease. In square 16mo volumes, cloth, price, 40 cents each. * * * * * _For sale by all booksellers. Any volume mailed, postpaid, to any address in the United States, on receipt of price_. D. APPLETON & CO., Publishers, 549 & 551 Broadway, New York.