Its basilar surfaces, pointing downwards, have their normal influence upon the body. Behind the ear they act upon the spinal cord and muscular system. Hence basilar depth produces vital force and muscular power. But as the basilar functions, which use the body, are opposite to the coronal functions which sustain our higher nature, it follows that excessive use of the body, either for exertion or for sensual pleasure, is destructive to our higher faculties, operating in many respects like the indulgence of the lower passions. Hence mankind are imbruted by excessive toil as well as by excessive sensuality and violence. While the basilar region behind the ear operates upon the posterior part of the trunk, that portion in front of the ear operates more anteriorly, affecting the viscera, in which there is no muscular vigor, and the tendency of which is toward indolence. Thus the vertical line separates the indolent from the energetic basilar functions, and all the enfeebling, sensitive, morbid faculties that impair our energies are in the anterior basilar region. The normal action of these organs, however, is necessary to life, and sustains the visceral system in the reception of food and expulsion of waste. But as it is the region of sensibility to all influences, it renders us liable to all derangements of body and mind, unless we are strongly fortified by our occipital strength. The tendency to bodily disorder has been explained by reference to the organs of Disease and Health. Insanity, or derangement of the mind and nervous system, belongs to a basilar and anterior location, which we reach through the junction of the neck and jaw (marked Ins.). It is more interior, but not lower than Disease, in the brain. Its antagonism is above on the temporal arch, between the lateral and upper surfaces of the brain, marked San. for Sanity. It gives a mental firmness which resists disturbing influences. The coronal region or upper surface of the brain has the opposite influence to that of the basilar organs in all respects, withdrawing the nervous energy from the body, tranquillizing its excitements, and attracting all vital energy to the brain, especially in its upper region. By sustaining the brain, which is the chief seat of life, and by restraining the passions, the coronal region is more beneficial to health and longevity than any other portion. In the posterior part it not only has this happy effect, but by sustaining the occipital half of the brain, gives a normal and healthy energy to all the powers of life. Such is the influence of the group of organs in which Health is the centre. [Illustration] It is obvious, therefore, that the study of the brain reveals laws which give us the strongest inducement to an honorable life as the only road to success and happiness.