Part IV--Glaciers of the St. Elias Region . . . . . . . . . . . . 176 Natural Divisions of Glaciers . . . . . . . . . . . . . . . 176 Alpine Glaciers . . . . . . . . . . . . . . . . . . . . . . 176 Characteristics of Alpine Glaciers above the Snow-Line . . 180 Characteristics of Alpine Glaciers below the Show-Line . . 183 Piedmont Glaciers . . . . . . . . . . . . . . . . . . . . . 185 Part V--Height and Position of Mount St. Elias . . . . . . . . . 189 Appendix A--Official Instructions governing the Expedition . . . 192 Appendix B--Report on topographic Work; by Mark B. Kerr . . . . . 195 Appendix C--Report on auriferous Sands from Yakutat Bay; by J. Stanley-Brown . . . . . . . . . . . . . . . . . . . . . 196 Appendix D--Report on fossil Plants; by Lester F. Ward . . . . . 199 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 ILLUSTRATIONS. Plate 2--Sketch Map of Alaska . . . . . . . . . . . . . . . . . 57 3--Map of the St. Elias Region, after La Pérouse . . . . . 59 4--Map of the Eastern Shore of Yakutat Bay, after Dixon . 61 5--Map of the St. Elias Region, after Malaspina . . . . . 64 6--Map of Bay de Monti, after Malaspina . . . . . . . . . 64 7--Map of Disenchantment Bay, after Malaspina . . . . . . 67 8--Sketch Map of St. Elias Region, by Mark B. Kerr . . . . 74 9--The Hubbard Glacier; drawn from Photograph by A. L. Broadbent . . . . . . . . . . . . . . . . . . . . . . 99 10--Wall of Ice on Eastern Side of the Atrevida Glacier; from a Photograph . . . . . . . . . . . . . . . . . . 105 11--View on the Atrevida Glacier; from a Photograph . . . . 105 12--Entrance of an Ice-Tunnel; from a Photograph . . . . . 106 13--Deltas in an Abandoned Lake-Bed; from a Photograph . . 106 14--A River on the Lucia Glacier; from a Photograph (reproduced from _The Century_, April, 1891) . . . . 106 {55} 15--Entrance to a Glacial Tunnel; from a Photograph . . . . 107 16--View of the Malaspina Glacier from Blossom Island; from a Photograph . . . . . . . . . . . . . . . . . . 120 17--Moraines on the Marvine Glacier; from a Photograph . . 123 18--View of the Hitchcock Range from near Dome Pass . . . . 144 19--View of Mount St. Elias from Dome Pass; drawn from a Photograph . . . . . . . . . . . . . . . . . . . . . 146 20--View of Mount St. Elias from Seward Glacier; drawn from a Photograph . . . . . . . . . . . . . . . . . . 175