other sentiment or propensity alone; because, if such were its sources, it would have an equal effect in the intercourse of the individuals of each sex among themselves, which it has not. 'In this quiet and unobtrusive state of the feeling,' says Mr. Scott, 'there is nothing in the least gross or offensive to the most sensitive delicacy. So far the contrary, that the want of some feeling of this sort is required, wherever it appears, as a very palpable defect, and a most unamiable trait in the character. It softens all the proud, irascible, and antisocial principles of our nature, in everything which regards that sex which is the object of it; and it increases the activity and force of all the kindly and benevolent affections. This explains many facts which appear in the mutual regards of the sexes toward each other. Men are, generally speaking, more generous and kind, more benevolent and charitable, toward women, than they are to men, or than women are to one another.' The abuses of this propensity are the sources of innumerable evils in life; and as the organ and feeling exist, and produce an influence on the mind, independently of external communication, Dr. Spurzheim suggests the propriety of instructing young persons in the consequences of its improper indulgence as preferable to keeping them in a state of ignorance that may provoke a fatal curiosity, compromising in the end their own and their descendants' bodily and mental constitution." It may be proper in this place, to point out some of the anatomical differences of the sexes more definitely than has been done by Mr. Walker, as they are intimately connected with the form and contour of the body, and must be understood to appreciate fully the bearing of much that is laid down by our author:-- ANATOMICAL SEXUAL DIFFERENCES. DIGESTIVE SYSTEM. The stomach is the only portion of the alimentary canal which presents sexual differences. It is larger, shorter, and broader, in the male; smaller, narrower, and longer, in the female. Its muscular coat, like that in the whole alimentary canal, is generally also thinner in the female. OSSEOUS SYSTEM. _Ribs._--The ribs of the female are generally straighter than those of the male. The posterior segment unites sooner with the anterior; its curve differs less from that of the last, and disappears sooner in the female; hence, the chest is narrower. The ribs are usually thinner; hence, the edges are sharper. Sometimes, however, this is far from being true. Their length is nearly the same; but according to Mechel, the length of the two upper ribs is proportionally, and when the subject is short, absolutely greater in the female than in the male.