"It has been imagined by persons ignorant of the mechanism and physiology of the human frame, that females cannot bear much exercise or exposure to atmospherical vicissitudes, and that passive exercise is more suited to their constitutions. This is a mistake altogether--an error which has caused the loss of health in thousands of instances. Constant and daily exercise in the open air, early rising, a daily ablution of the body with cold water, and the avoidance of over-heated and badly-ventilated rooms, are essentials in the code of health, which can no more be dispensed with by the female than the male. Indeed, when we take into consideration the many causes that tend to weaken and impair the health of the female, which do not at all interfere with man, this necessity of the avoidance of enervating habits is even more requisite on the part of the weaker sex. To both sexes we would say, avoid easy chairs, and cushioned sofas and carriages, and sleep not on beds of down, but on hard mattresses, and keep not on these beyond the time that nature requires for repose. Let the pure breath of heaven gain free admission to your apartments, but especially to your sleeping apartments: and if you would not, as you ought not, respire over and over again the same corrupted air, do not stop its free circulation by surrounding your bed with curtains. Our fashionable habits are " the silken fetters of delicious ease," which entail spleen, melancholy, etc., on so many of the fair sex, and too many of whom contrast, alas! too forcibly, with Gay's vivid but correct description of a country girl:-"She never felt the spleen's imagined pains, Nor melancholy stagnates in her veins; She never loses life in thoughtless ease, Nor on the velvet couch invites disease."

"It is more essential to have our bed-rooms well ventilated than our drawing-rooms, because we pass more time in them; and when we consider that the oxygen (oxygen is the great supporter of life and heat) contained in a gallon of air is consumed by one person in a minute, and that a lighted candle consumes about the same quantity in the same time, it must be evident to all that thorough ventilation is essential to health--that perfect health, in fact, cannot be maintained with out it; and that lights in our bed-rooms, when a frequent renewal of the air in them cannot be maintained, are exceedingly pernicious. According to Dr. Arbuthnot's calculation, three thousand human beings, within the compass of an acre of ground, would make an atmosphere of their own steam, about seventy-one feet high; which, if not carried away by winds, would become pestiferous in a moment. It should be remembered that the same air cannot enter the lugs more than four times without carrying with it properties inimical to the principles of life. A moment's consideration of the state in which the air must be, that is confined all night within bed-curtains, and is respired innumerable times, will explain how it is that many persons rise in the morning with pale faces, bad taste in the mouth, want of appetite, etc.; symptoms, however, which often arise from other causes, and especially from the use of intoxicating liquors. 'Being buried every night in feathers,' says the celebrated Locke, 'melts and dissolves the body, is often the cause of weakness, and is the forerunner of an early grave.' "

The following remarks on health are from the pen of O. S. Fowler, who combines in his writings sound reason and a firm and fearless advocacy of unpopular truths. He attacks the inconsistencies and physiological errors of the age with the spirit of a Luther.

"The plain inference drawn from this principle, that the principal temperaments and functions of our nature require to be equally balanced, is that mankind should exercise his muscular system by labor, or being on foot in the open air, about one third of the time; should eat and sleep, (that is, lay in his re-supply of animal life,) about one third of the time; and exercise his brain in thinking, studying, etc., about the other third of his time each day."

"I fully concur with Jefferson's opinion that mankind have probably lost more by subduing the horse, than they have gained by his labor. Riding in carriages is so easy, so luxurious, to the dainty belle, that all classes are, as it were, horse crazy, and by shifting all their burdens, and most of their locomotion, upon the horse, they stand in the light of their own muscular action, which bids fair soon to be obliged to employ horse-power, (or perhaps steam-power,) with which to breathe and eat."

"Let us open our eyes upon what we see daily and continually in our city. See that young merchant, or lawyer, or clerk, or broker, whose business shuts him up all day in his store, or at his desk, till his circulation, digestion, cerebral action, and all the powers of life are enfeebled, walk merely from his door on to the side-walk, possibly one or two blocks, and wait for an omnibus, to carry him a few blocks farther to his meals or bed ! One would think that, starved almost to death as he is for want of exercise, he would embrace every opportunity to take exercise, instead of which, he embraces every opportunity to avoid it. As well avoid living, which indeed it is. And then too, see that delicate, fashionable lady, so very prim, nice, refined, delicate, and all this besides much more, that she does not get out of doors once a week, order her carriage just to take her and her pale-faced, sickly child to church on Sunday, because it is two or three blocks off--too far for them to walk."

"And what shall we say of those who sit and sew all day, or work at any of the confining branches of industry that preclude the exercise except of a few muscles, and perhaps keep themselves bent over forward on to their stomachs, lungs, heart, bowels, and over eat at that ! Oh! when will man learn to live--learn by what constitutional laws he is governed, and how to obey these laws ? When Physiology and Phrenology are studied; never till then.

"Fly swifter round, ye wheels of time, And bring that welcome day."--Watts.