In this book, Thomson presents his findings on the source of the Nile River, one of the great mysteries of geography and natural history. He describes his travels throughout Africa, his encounters with local peoples, and his scientific observations of the river and its environs. Thomson's groundbreaking work laid the foundation for future research into the Nile and its role in African ecology and culture. This book is a seminal work of African exploration and scientific discovery. 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.