Excerpt from The American Naturalist, 1879, Vol. 13: An Illustrated Magazine of Natural History Geography and Trawlr. - Unknown Africa, 51; African Exploration, 51; Summary of the Field Work of the United States Geological and Geographical Survey of the Territories under Prof. F. V. Hayden, during the season of 1878, 55; Geographical News, 56; The Swedish Arc tic Expedition, 132; American Geographical Society. President's Annual Address, 199; Obit uary, 201 The Dutch Arctic Expedition, 271 The Norwegian North Atlantic Expeditton, 272 Geographical News, 273; African Exploration, 334, 404 Geographical Professorships, 463; Geo graphical News. 464; The Slave Trade in Central Africa. 533: African Exploration, 592, 660 Obituary, 662 Asia, 720; Lieut. Wheeler's Survey Work in Oregon, 1878, 721 Arctic Explora tion. 723; Geographical News, 724; The Swedish Arctic Expedition, 791; Proceedings of the Geographtcai Section of the British Association, 793. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.