This book is a comprehensive study of the Pleistocene deposits found at Sankoty Head on Nantucket Island, Massachusetts. It includes detailed descriptions of the fossils found in these deposits, as well as an analysis of their geological significance. This is an essential resource for anyone interested in the study of Pleistocene geology and paleontology. 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.