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 Cameell 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 IIS 



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. Pig. 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 



