Index. 397 



Greeley, Horace, his acquaintance with E. L. Youmans, 371 ; compared with 



Prof. Youmans, 387. 

 Greenbackers, 218. 



Green, John Richard, on charity, 271. 

 iJregory the Great, his socialism, 265. 



Gronlund, Laurence, on Fourierism, 277; his benevolent intent, 281. 

 Group-marriage, 7G, 77. 

 Growth of the Marriage Relation, 69-87. 

 Gunton, Professor George, on the evolution of the wages system, 217-232; 



his advocacy of reduced hours of labor, 331. 

 Gurney, Professor, his early interest in evolution, 380. 



HADROSAtTR, 168. 



Hahnemann, his translation of the Materia Medica, 141-142 ; his theory crit- 

 icized by Dr. Eccles, 142; defended by Dr. W. S. Searle, 142 note; why 

 credit is due him, 142. 



Hamilton, Sir William, his influence on Prof. Huxley, 9. 



Hands, how they were developed, 193. 



Harvey, William, his discovery of the circulation of the blood, 145. 



Heilprin, Professor Angelo, on coral reefs, 5 note. 



Heredity, discussed by Weismann and Wallace, 4; as related to education, 252. 



Herodotus, on lake-dwellings among the Pseonians, 62. 



Hippocrates, on earlv medical knowledge, 135. 



Holmes, Dr. Oliver Wendell, on the American idea, 242. 



Homeopathy, criticized by Dr. Eccles, 135-139, 1.42; defended by Dr. Searle, 

 142 note. 



Hooker, Sir Joseph, his acquaintance with Asa Gray, 341 ; his eminence as a 

 botanist, 341-342; his evolutionary views, 345; his portrait, with Asa Gray, 

 351 ; his opinion of Prof. Gray, 353 ; his estimate of Herbert Spencer, 353. 



Hooper, Professor Franklin AV., on Edward L. Youmans, 386-3C7. 



Hoplology, 186. 



Howard, Professor, on the Xew England township, 98. 



Huguenots, their relation to modern industrialism, 266. 



Hume, David, his influence on Prof. Huxley, 9; his philosophy, 29. 



Huxley, Prof. Thomas H., his suggestion of the word "Agnostic," 9; his 

 advocacy of women on boards of education, 248 ; his friendship with E. L. 

 Youmans, 379 ; his influence in promoting the sale of Spencer's works, 381. 



Hyndman, his state-socialism, 263. 



Iberians, 61. 



Ichthyosaurus, 162, 164, 167. 



Idealism, its philosophy criticized, 14, 15 ; Berkeley's relation to, 29 ; explained 



by Dr. Eccles, 30 et'seq.; regarded as a theory, 37. 

 Idleness, statutes against, 229, and 7iotc. 

 Iguanodon, 162, 164, 168. 



lies, George, on Edward L. Youmans, 387-389. 

 Immortal life, 5. 



Inilividualism, 278, 297, 304, 324-325; Wordsworth Donnisthorpe on, 333. 

 Industrial evolution, 191-214, 220-227, 260, 261, 33*J. 

 Industrial training, 240-241. 

 Inland seas of the Pliocene, 50. 

 Insectivorous plants, 347-349. 

 Intemperance, 288, 307. 



Interest, its alleged injustice, 282, 285-286, 308-310. 

 Internationalism, 279, 282. 

 Inventions, genesis of, 203; definition of, 204; meaning of the word, 205, 206; 



evolution of, 208-210; of women, 210, 211 ; influence on civilizatiou, 211-214; 



stimulated by improvement among the masses, 225. 

 Ionic philosophers, on Nature, 323. 

 Iron age, 53. 

 Isis, 323. 



Jaxp:s, Dr. Lewis G., 272; on the scope and principles of the evolution phi- 

 losophy, 3-26 ; on the origin of the marriage relation, 75 ; on Asa Gray, 

 355-356" 



Japan, the flora of, 344, 354, 356. 



Japanese, their belief about marriage, 85. 



Jesus, his essential thought, 17 ; understood by the agnostic, 42 ; his anticipated 

 return to earth as related to Christian views of marriage, 84 ; his exalted 

 ethics and human nature, 92 ; his optimistic preaching, 107 ; his doctrine 



