Xll LIST OF ILLUSTRATIONS. 



PACING 

 4 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 moutonne"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. Nose of Asulkan Glacier, 1904 . 100 



PLATE XLL 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 



