List of Illustrations vii 



Plate Page 

 CXVII. Lambert Dome and Kuna Crest from Soda Springs — The Site 



of the Central Camp for 1915 293 



CXVIII. Crater on Mt, Lassen, June 16, 1914 298 



CXIX. Crater on Mt. Lassen, June 16, 1914 299 



CXX. Summit of Mt. Lassen before Eruption 300 



CXXI. Beginning of an Eruption of Mt. Lassen 301 



CXXII. Eruption of Mt. Lassen 302 



CXXIII. Grouse Valley 303 



CXXIV. Northwest Along Crest of Sierra from Bishop Pass — Mt. 



Humphrey Shown on Skyline 304 



CXXV. Long Lake, Basin of South Fork of Bishop Creek 305 



CXX VI. Bishop Pass (11,989 ft.), from Inyo Side 308 



CXXVII. Summit Peaks of Mt. Olympus, Thessaly, Greece, 9,794 Feet, 



April 30, 1914 309 



CXXVIIL To Remember Louis Margolin 324 



CXXIX. Indian Arrow Heads 325 



