This comprehensive study details the intricacies of the human brain, exploring the structure, development, and physiology of the nervous system as illustrated by references to the lower orders of animals. Informative and accessible, this book offers a unique perspective on the marvels of the human mind, making it an essential read for anyone seeking to understand the complexities of the brain. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.