The following list of publications relating to the physiography of North America is here presented largely because the books mentioned contain bibliographies or references which indicate sources of more special information: _American Geographical Society, Bulletin._ Published annually. _Canadian Geological Survey_, Ottawa, Canada. Index to reports from 1863 to 1884, published in 1900. DARTON, N. H. _Catalogue and Index of Contributions to North American Geology, 1732 to 1891._ United States Geological Survey, Bulletin No. 127, Washington, 1896. DAVIS, W. M. _Physical Geography._ Ginn & Co., Boston, 1898. Contains a valuable bibliography. DRYER, C. R. _Lessons in Physical Geography._ American Book Company, New York, 1901. Contains a valuable bibliography. _Geological Society of America, Bulletin._ Published annually since 1890 at Rochester, N. Y. Index to vols. i-x, published in 1900. _International Geography._ Edited by H. R. Mill. D. Appleton and Company, New York, 1900. Contains several chapters on North America by various authors. _Journal of Geology._ Edited by T. C. Chamberlin and published at the University of Chicago, Chicago, Ill. MERRILL, G. P. _Rocks, Rock-Weathering, and Soils._ The Macmillan Company, New York, 1897. _National Geographic Magazine._ Washington, D. C. _National Geographic Monographs._ American Book Company, New York, 1895. One volume published. POWELL, J. W. _Exploration of the Colorado River of the West._ Published by the Smithsonian Institution, Washington, 1875. POWELL, J. W. _Canyons of the Colorado._ Flood & Vincent, Meadeville, Pa., 1895. RUSSELL, I. C. _Lakes of North America_, Ginn & Co., Boston, 1895; _Glaciers of North America_, Ginn & Co., Boston, 1897; _Volcanoes of North America_, The Macmillan Company, New York, 1897; _Rivers of North America_, Putnam's Sons, New York, 1898; _The Names of the Larger Geographical Features of North America_, in _Bulletin of the Geographical Society of Philadelphia_, vol. ii, 1899, pp. 55-68. SHALER, N. S. _Nature and Man in America._ Scribner's Sons, New York, 1891. _Stanford's Compendium of Geography and Travel._ North America: Canada and Newfoundland, by S. E. Dawson; United States, by H. Gannett; Central America and West Indies, by A. H. Keane. Published by Edward Stanford, London. TARR, R. S. _Elementary Physical Geography._ Macmillan & Co., 1895. _United States Geological Survey._ Bibliography and Index, contained in Bulletins No. 100, 127, 177, 188, and 189, issued by the Survey. The reader is referred especially to the _Geological Atlas_ and the _Topographic Atlas_, published by the Survey.