392 



INDEX OF SUBJECTS 



249; according to external cir- 

 cumstances, 250-252 ; according 

 to physiological state of organ- 

 ism, 250; adjustment of, 250, 

 252; constructive, 251; effective 

 only under normal circum- 

 stances 258; evolutionary origin 

 of, 267 — improbable, 267; fixity 

 of, 258; improbability of, 267; 

 its regulatory principal sense, 

 254; not gradually acquired, 263, 

 264; not intelligence, 254; only 

 slightly undefiable, 256; origin 

 of, 263; pychic regulation of, 

 249; requires no apprenticeship, 

 256; teleology of, 249; telic, 259; 

 variability of, 250 



Instinctive acts, 256 



Instruction, 244, 245 



Instrumentation, 197 



Intellect, 220, 221, 224, 226-230, 

 339; active, 220, 221; activity of, 

 221; cognitive, 220, 221; con- 

 scious of its own operations, 226, 

 227; indirectly dependent on 

 physiological condition of cortex, 

 221; its immaterial nature, 224; 

 objectively dependent on or- 

 ganic activity of imagination, 

 221; not bound to material 

 organ, 226; not debilitated by 

 intense thinking, 227, 228; not 

 incapacitated but invigorated by 

 intense thinking; 228; not regu- 

 lated by physiological vicissi- 

 tude, 229; not subject to meta- 

 bolic laws, 230; rooted in a spir- 

 itual principle, 227 superor- 

 ganic nature of, 227 



Intellectual, 228, 229, 230; activity 

 may reach highest points of con- 

 centration and intensity without 

 involving commensurate fatigue 

 on part of organism, 228 



Intelligence, 239-241, 243, 245, 247, 

 248, 249, 254, 256, 257, 259, 262, 

 263, 267, 329, 330, 340, 343, 350; 

 definition of, 239; autonomous, 

 259; a generalizing and abstract- 

 ing power, 257; "bestial," 245, 

 247, 257; conscious, 240; decep- 

 tive semblance of, 240, 241; Di- 

 vine, 249; etymology of, 239; 



finite, 249; genuine, 240, 241; 

 infinite, 248, 249; incapable of 

 being evolved from matter, 267; 

 inherent, 249, 256, 259, 267; of 

 worker bees, 267; subjective or 

 inherent, 248, 249; used to de- 

 note power of profiting by ex- 

 perience, 239, 240 



Intensity, 227, 230; does not in- 

 crease in same proportion as in- 

 tensity of stimulus, 227; may 

 reach maximum with involving 

 corresponding fatigue, 230; of 

 thought does not follow fluctua- 

 tions of neural metabolism, 

 230 



Interactionism, 206 



Interaction, three types of, 175 



Interglacial period, 329; last, 329 



Intergradation, 87 



Intergradence, 84-87; may indi- 

 cate hybridism, 84, 85; no argu- 

 ment for common ancestry, 84- 

 86; of mutants genetically inde- 

 pendent, 85, 86 



Intergradents, 85, 86; hybrid, 85, 

 86; mutational, 85, 86; specific, 

 85, 86 



Interjections, negligible part of 

 human language, 247 



Interpretation, ontogenetic, an al- 

 ternative for phylogenetic, 302 



Intervals, 105; lost, unrepresented 

 by deposition, erosion or disturb- 

 ance, 105 



Intravitous staining, 143 



Introspection, 204, 205, 212, 225; 

 does not create personality, 212; 

 impossible to a material organ, 

 225 



Intrusions, igneous, 125 



Invertebrate, 293, 294; stage, 293, 

 294 



Involution, 160 



Iron, 148 



Irrational man unknown either to 

 history or pre-history, 340 



Islands, 153 



Islets of Langerhans, 292 



Isobares, 172 



Isogametes, 157 



Isogamy, 157 



Isomers, 173 



