Book Description

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 edition. Excerpt: ... CHAPTER IX. THE ABDOMINAL BRAIN AND AUTOMATIC VISCERAL GAN- GLIA. Instinct is a propensity prior to experience and independent of instruction."--Paley. The Intimate and Profound Connection of the Genitourinary Organs with the Sympathetic (and Cerebro-Spinal) nervous system. Its Connection with the Rectum and Relation to Coition. The Relation of the Pelvic Organs to the Larynx (voice); the Fifth (Ganglionic) Cranial Nerve, Stomach and Eyes. Automatic Menstrual Ganglia. The Menopause. Every observing physician sees a close connection between the genital organs and the nervous system. This is not strange when one considers existing conditions and the long-continued effect of evolutionary forces. Of all the instincts in the animal race, the sexual instinct is dominant. This instinct has an all-pervading influence in every species of animal. It governs their action. It forms habits in their lives. It induces new phases of existence. All through the stages of animal evolution, every other instinct must bend to the sexual. Physical and mental forces wonderfully combine to make this instinct the most effectual in its consummation. The sexual instinct dominates most powerfully the males, and hence the physical and mental vigor of the best animals in the race survive. The cow in rut is served, from sheer physical and mental vigor, by the most powerful bull. In herds of animals the sexual instinct dominates most vigorously in the finest males, and the weak males are cast aside that the strong ones may become the parents. The main study of zoology is reproduction. The weapons of offense and defense possessed by males are primarily r to cultivate and defend the sexual instinct. The horns of bulls, the powerful heels of stallions, the eagle's talons, ...