List of Illustrations. vii 



LIII. Benson Lake, Yosemite National Park i54 



LIV. The Summit of Tower Peak ^55 



LV. Looking up the Hetch Hetchy Valley from the Lake Eleanor Trail 156 

 LVI. Tilden Lake, in the Northern Portion of the Yosemite National 



Park ^57 



LVII. Sierra Junco Above His Nest ' 158 



Mountain Chickadee on His Door-Step with a Feather in His Bill 158 



LVIIL Front View of Sierra Hermit Thrush i59 



Side and Rear View of the Same i59 



LIX. Ruby-Crowned Kinglet Coming to Feed Young in Author's Hand 162 

 LX. Looking up the Eastern Branch of Roaring River, the Whale- 

 back Showing in the Middle Distance 163 



LXI. Looking Down from Base of Center Peak 166 



The Kings-Kern Pass from the Kern Side 166 



A Lake on the Kern Kaweah River 166 



LXII. The Cliffs of the Upper Kern-Kaweah 167 



Nearing Triple Divide Peak Pass 167 



Looking Down Roaring River from the Pass 167 



LXIII. The Devil's Postpile, a Wonderful Clilf of Columnar Basalt 170 



LXIV. Rainbow Falls, Devil's Postpile National Monument 171 



LXV. Crevasse, Eastern Face of Glacier Peak 176 



LXVI. Unnamed Peak South of White River i77 



White River Canon i77 



LXVII. The Cloud Ocean from Glacier Peak 180 



Chocolate Glacier, Eastern Face of Glacier Peak 180 



LXVIII. Glacier Peak and Ranges to Southward 181 



North Star Mountain and Cloudy Pass from Lyman Glacier 181 



LXIX. North Star Mountain from Lyman Lake 184 



North Star Park from Cloudy Pass 184 



LXX. Lake McArthur 185 



LXXI. Niles-Daly Glacier, Above Yoho Valley 188 



Wiwaxy from Lake O'Hara 188 



LXXII. Victoria and Lefroy from Pope's Peak 189 



Cathedral Reflected in Sherbrook Lake 189 



LXXIII. Smedberg Lake, Yosemite National Park, Visited by the Sierra 



Club in 191 1 208 



LXXIV. Matterhorn Canon, Yosemite National Park 209 



Benson Lake, Yosemite National Park 209 



LXXV. George Davidson 212 



LXX VI. Edward Whymper, October, 1910 213 



LXXVII. Waterwheel Falls, Grand Canon of the Tuolumne 224 



LXXVIII. Looking Back Across Lower Tuolumne Meadows 225 



LXXIX. The Devil's Postpile, Now Included in a National Monument,... 226 



LXXX. An End View of the Devil's Postpile 227 



