List of Illustrations vii 



Plate Page 



CCXII. Zion Canon 337 



CCXIII. Zion Canon— The Three Patriarchs 340 



CCXIV. Zion Canon — Court of the Patriarchs 341 



CCXV. Looking up South Fork of San Joaquin River 344 



CCXVI. Record of U. S. Coast and Geodetic Survey 345 



CCXVII. A Corner of the Wood Technology Laboratory, Division of 



Forestry, University of California 368 



CCXVIII. Remains of the Coast and Geodetic Survey's Observatory 369 



CCXIX. Record of Ascent of Mount Conness 369 



CCXX. Grove Karl Gilbert 391 



CCXXL Mount Gilbert 394 



CCXXII. Le Conte Memorial Lodge, December, 1 91 8 395 



CCXXIII. Alpine Chipmunk — natural size 402 



CCXXIV. Sierra Golden-mantled Ground-squirrel Gathering Prune-Pits .... 403 



Tahoe Chipmunk on Trunk of Yellow Pine 403 



CCXXV. Long-Eared Chipmunk 406 



CCXXVI. Mount Brewer, Kearsarge Pinnacles and Lakes 407 



CCXX VII. Ten Lake Basin, Yosemite National Park 414 



CCXXVIII. Ten Lake Basin, Yosemite National Park 415 



CCXXIX. Junction Pass, John Muir Trail (elevation 13,300 ft.) 422 



CCXXX. Upper Kern Lake and Tower Rock, Kern River Canon 423 



CCXXXI. President Roosevelt at the Base of the Grizzly Giant, Mariposa 



Grove 430 



CCXXXII. Rae Lake, Headwaters of South Fork of Kings River 431 



CCXXXIII. First Lieutenant Robert S. Gillett 434 



CCXXXIV. Lambert's Old Cabin 435 



CCXXXV. Mountain Lion Cub ten days old 442 



Mrs. Sovulewski with one of the mountain lion cubs she raised on 



a bottle in Yosemite Valley 442 



CCXXXVI, A Pause above the Wapite 443 



A Two-Foot Cottonwood Cut by Beavers 443 



CCXXX VII. Head of Lyell Fork, Tuolumne Meadows, Yosemite National Park. 446 



CCXXXVIII. Mount Ritter and Banner Peak from Shadow Lake 447 



CCXXXIX. Cathedral Peak and Unnamed Lake 470 



CCXL. German Army Order 471 



CCXLI. Male Mountain Lion two-thirds grown — eight months old 486 



CCXLII. Tenaya Peak and Lake Tenaya 487 



