INDEX 



Hawaiians, diving boys, 122; surf- 

 riding, 131. 



Heart, the, origin of, 19. 



Heat, its relation to life, 210, 211. 



Henry Mountains, 173. 



Hetch-Hetchy Valley, 79, 80. 



Hilo, 149, 155. 



Honey-sucker, 151. 



Honolulu, harbor of, 121, 122; first 

 impressions of the city, 122, 123; 

 population, 123, 124; attractions, 

 124; Americans in, 124, 125; the 

 skylark at, 132, 133. 



Horn-fly, Texas, 137. 



Horns, in evolution, 237, 238. 



Horse, the, evolution of, 33, 176; 

 mankind and, 229. 



Hudson River, mineral matter car- 

 ried by, 169; geology of the two 

 sides at New York, 173, 174. 



Huxley, Thomas Henry, 218. 



lao Valley, 134, 146. 



Ice-sheet, continental. See Glacia- 



tion. 

 Ichneumon-fly, 251, 252. 

 Imagination, the scientific and the 



poetic, 87, 88. 



Japanese, in the Hawaiian Islands, 

 134, 136, 149. 



Kahoolawe, 146. 



Kahului, 133. 



Kauai, 147, 148. 



Kilauea, 133; visit to the volcano, 



149-155. 

 King's River Valley, 79, 80. 



Laccolites, 172, 173. 



Lahaina, 147, 149. 



Land, a farmer's strong, 158. 



Lantana, 125, 126, 145. 



Lark. See Skylark. 



Laurentian Hills, 109. 



Lava, 151-153, 172, 173. 



Lemurs, 235. 



Liberty Cap, 74, 75. 



Life (biological), dawn of, 5; artifi- 

 cial production of , 11, 209, 210; as- 

 cending series of , 18-21; progress 

 from the simple to the complex. 



23, 24; the mystery of its incep- 

 tion, 37, 38; geologic periods of , 

 116, 117; rises on stepping-stones 

 of its dead self, 117; the tide at 

 the full, 192, 193; nature of, 207- 

 209; dependent on heat and chem- 

 ical action, 210, 211; origin of, 

 217-219; the tree of, 232; the 

 stream of, 233; rankness in early 

 biologic times, 238. See also Evo- 

 lution. 



Limestone, 108, 110. 



Locomotion, evolution of, 21. 



Logcock. See Woodpecker, north- 

 ern pileated. 



London, fossil fruits under, 26. 



Lowell, Mr., superintendent of 

 sugar-making plant in Hawaiian 

 Islands, 148. 



Lowell, Percival, 193. 



Lyell, Sir Charles, 82, 99-101; 

 quoted, 105. 



Malaspina Glacier, 160. 



Mammals, origin of, 19. 



Man, origin of, 1-13, 21, 175-181, 

 188-194; larger than his ancestors, 

 18; the end of the life series, 22; 

 the goal of life's progress, 24, 25; 

 his specialization in the brain, 26, 

 27; has had the experience of all 

 the animals below him, 28, 29; 

 loss and gain of organs and pow- 

 ers in the course of his develop- 

 ment, 30-33; fortuitous variation 

 insufficient to account for the 

 evolution of, 38; his ancestry, 97, 

 98; physical and mental evolu- 

 tion of, 189; continuity of his 

 descent, 190-192; future evolu- 

 tion of, 194-196; seems of another 

 sphere than the animals, 202, 

 203; creation of, 203-205; varia- 

 tion in, 215-217; his evolution 

 and the First Cause, 218, 219; 

 not a fallen, but a risen, creature, 

 219; heir of the geologic ages, 220, 

 221; concrete conceptions of his 

 descent, 221-223; hazards en- 

 countered in the line of his de- 

 scent, 225-239; one of the most 

 generalized of animals, 230; haz- 



277 



