  We take this opportunity of acknowledging the courtesy of the following publishers, who have helped us in connection with the illustrations of this book:— Henry Holt and Company ("Physiography," by Rollin D. Salisbury). D. Appleton and Company (Figs. 13, 35, 39, 40, 41, 42, 43, 44, 45 and 46, "Volcanoes: What They Are and What They Teach," by J. W. Judd; Fig. 15, "Principles of Geology," by Sir C. Lyell). The American Book Company ("Manual of Geology," by James Dwight Dana). G. P. Putnam's Sons ("Earthquakes in the Light of the New Seismology," by C. E. Dutton). The Clarendon Press ("Geology: Chemical, Physical, and Stratigraphical," by Joseph Prestwich). |
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