The views advocated in the following pages differ so widely from those generally held by writers on dietetics, and are so diametrically opposed to the habits and customs of society in this country, that I am by no means sanguine of making many proselytes but what will man not attempt, when fully convinced that he is laboring in the cause of truth? If perfectly satisfied that he has arrived at a 'correct and important result, Opposition will only redouble his ardor in supporting and spreading the doctrine he has espoused. His steady perseverance in its defence will frequently expose him to the charge of enthusiasm or egotism; these, in fact, seem almost necessary to the man who would successfully advocate any new or not generally received Opinion: every one is warm in what he considers a good cause; and he who observes the majority of society indifferent to the truth which he believes himself to possess, can scarcely avoid displaying the characteristics of the egotist.