ILLUSTRATIONS. 



PLATES. 



Page. 



Plate I. Map of Athabaska-Mackenzie region Frontispiece 



II. Map of life zones Athabaska-Mackenzie region 50 



III. Fig. 1. — Main channel of Athabaska at Grand Rapid. Fig. 2. — 



^ Left bank of Athabaska at Grand Rapid 88 



IV. Fig. 1. — Fort Chipewyan, Athabaska Lake. Fig. 2. — Shore of 



Athabaska near Fort McMurray. Fig. 3. — Athabaska Land- 

 ing 88 



V. Fig. 1. — Uprooted trees, result of landslip. Fig. 2. — View in 



muskeg. Fig. 3. — Slide terraces, Athabaska River 92 



VI. Fig. 1. — Road on Smith Portage. Fig. 2. — Grove of aspen 



poplars, Athabaska River 92 



VII. Fig. 1.— Slave River near Smith Landing. Fig. 2. — Bank 

 worn by current, Slave River. Fig. 3. — Foresting on island, 



lower Slave River 96 



VIII. Fig. 1.— Fort Smith, Slave River. Fig. 2.— Fort Resolution, 

 Great Slave Lake. Fig. 3. — Hay River post. Great Slave 



Lake 96 



IX. Fig. 1. — Summit Loon Island, Great Slave Lake. Fig. 2. — Bay 



near Fort Rae. Fig. 3. — Fort Rae, Great Slave Lake 100 



X. Fig. 1. — Fort Simpson, Mackenzie River. Fig. 2. — Fort Provi- 

 dence, Mackenzie River. Fig. 3. — Camp of Slavey Indians 



near Fort Providence 100 



XL Fig. 1.— Mount Camsell from Mount Tha-on^-tha. Fig. 2.— 



Mount Tha-on^-tha from mouth Nahanni River 104 



XII. Fig. 1. — Summit Mount Tha-on^-tha. Fig. 2. — Junction of 



Nahanni and Mackenzie .• 104 



XIII. Fig. 1.— Fort Good Hope, Mackenzie River. Fig. 2.— Fort 



Wrigley, Mackenzie River. Fig. 3. — Main buildings at Fort 

 McPherson 108 



XIV. Fig. 1. — Muskeg pond, height of land. Fig. 2.— Lake and 



mountain country near Lake St. Croix 108 



XV. Fig. 1.— Rapid near MacTavish Bay. Fig. 2.— Rapid on 



Lower Grandin River 118 



XVI. Fig. 1. — Sandy bay near Leith Point. Fig. 2.— Rocky shore 

 west of McVicar Bay. Fig. 3. — Semibarren shore near Leith 



Point 118 



XVII. Fig. 1. — Biological Survey camp near Leith Point. Fig. 2. — 



Shore of sandy bay west of McVicar Bay 122 



XVIII. Fig. 1. — Bank of upper Bear River. Fig. 2. — Trapper's cabin 



near Fort Franklin. Fig. 3.— Mount Charles, Bear River . . 122 



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