XII LIST OF ILLUSTRATIONS. 



FACING 

 PAGE 



Plate XVIII. — i. Glacial table, Victoria Glacier. 2. Dethroned glacial table, Vic- 

 toria Glacier . . . . . . . . . . . -56 



Plate XIX. — i. Boulder mound, Wenkchemna Glacier. 2. Surface lakelet, Vic- 

 toria Glacier ............. 57 



Plate XX. — Map of delta, head of Lake Louise ....... 61 



Plate XXI. — The Continental Divide, Canadian Rockies ...... 62 



Plate XXII. — Map of Wenkchemna Glacier ........ 63 



Plate XXIII. i. — Drainage brook from Wenkchemna Glacier. 2. General view of 



eastern end of Wenkchemna Glacier ......... 64 



Plate XXIV. — i. Front of Wenkchemna Glacier. 2. Front of glacier showing 

 forest invasion. 3. Disintegrated blocks of bear-den moraine. 4. Melted area 

 on north side of surface block of quartzite, Victoria Glacier ..... 68 



Plate XXV.- — General view of Moraine Lake and eastern end of Wenkchemna Glacier . 70 



Plate XXVI.— Map of Yoho Glacier 71 



Plate XXVII. — i. Ice distributary from Yoho Glacier. 2. Ice plucking upon a 

 mountain peak, head of Yoho Valley. 3. Yoho Glacier, head of Yoho Valley. 

 4. Three-hundred-foot ice arch, Yoho Glacier ....... 74 



Plate XXVIII. — i. Knoll and ridges of ground morainic material in front of Yoho 



Glacier. 2. Yoho Valley, showing Wapta and Waputik snowfields . . .78 



Plate XXIX. — i. Formation of Forbes's dirt bands from crevasses, Yoho Glacier. 



2 . Hanging Valley, head of Yoho Glacier ........ 80 



Plate XXX. — Map of Illecillewaet Glacier 81 



Plate XXXI.- — Tongue and moraines of the Illecillewaet Glacier, August, 1899 . . 82 



Plate XXXII. — -i. General view from Roger's Peak. 2. General view of Illecillewaet 



Glacier ............. 84 



Plate XXXIII. — Map of the Selkirk snowfields and glaciers ..... 85 



Plate XXXIV. — i. Beginning of subglacial fluting by pressure melting, Illecillewaet 

 Glacier. 2. Subglacial fluting, Illecillewaet Glacier. 3. Roches moutonn^es 

 near nose of Illecillewaet Glacier ......... 86 



Plate XXXV. — i. Regelation of ice blocks at foot of ice cascade, Illecillewaet Glacier. 



2. Stratification in upper part of Illecillewaet Glacier ..... 88 



Plate XXXVI. — i. Illecillewaet Glacier in 1888. 2. Illecillewaet Glacier in 1905 . 92 



Plate XXXVII. — i. Bear-den moraine made conjointly by the Illecillewaet and 



Asulkan Glaciers. 2. Illecillewaet Glacier in 1897 ...... 96 



Plate XXXVIII. — Map of Asulkan Glacier 97 



Plate XXXIX. — i. General view of Asulkan Glacier in 1902. 2. The Asulkan 



glaciers and snowfields from Mt. Avalanche ....... 98 



Plate XL. — i. Left Asulkan moraine. 2. Noseof Asulkan Glacier, 1904 . . 100 



Plate XLI. — i. Stratification of Asulkan Glacier. 2. General view of Asulkan Glacier 



in 1898. ............. 102 



Plate XLII. — i. Development of seracs from glacial blocks, Asulkan Glacier. 2. Dis- 

 rupted quartzite blocks illustrating plucking power of glaciers . . . .108 



