Index, 3 1 7 



Instinct, purposes of, for life, progress, benevolence, worship 237 

 that has appetite as its basis is never self-regulative 



in man 241, 242, 249, 250 



in man, governed by the sense of obligation. . . . 267, 268 



religious, in man 280-284 



its comparative place in rank with other powers of 



man — diagram 285-290 



summar>' of the presentation of the subject in these 



lectures 290-292 



this investigation made in the service of man . . .292-295 



Instinctive acts in animals 28, 29, 67, 63 



young robin 85 



taken for reflexive 23S 



Individual welfare sacrificed for the good of the species. . 157, 158 

 Intellect in aaimals can be detected only as they perform the 

 same acts under the same conditions and by the 

 same means or methods as man performs them. 190-192 



and moral sense compared 303 



Intelligence 34, 207, 208, 211, 292 



Intuitions, relate to abstract truths 231 



Iron, in building up the body S3 



K. 

 Kingfisher 161 



L. 



Lake deposits 17 



Laws, of human life 20 



Law, need of civil 243 



Life, conditions of 49 



results of, as an agency, a builder 74-78 



origin of 76 



variables in 82-84 



Locke, in reference to " innate ideas " . .' Appendix, 307 



Lubbock, Sir John, in reference to knowledge of God among 

 degraded tribes of men Appendix, 307 



M. 

 Man, what is he ? the central question that relates to the pres- 

 ent world ig-2i 



