INDEX OF SUBJECTS 



391 



Hylobatic, 314, 316, 317, 318; type. 

 318 



Hylomorphic dualism, 198 



Hylomorphic vitalism, does not 

 discourage experimental analy- 

 sis of life, 201 



Hylomorphism, 174 



Hypogamete, 158 



Hypertrophy, 289, 290, 294 ; due to 

 use, 289 



Hypophysis, 292, 293, 294, 295; not 

 functionless, 294 



Ice Age, 98 



Ichthyosaurs, 80 



Igneous masses, not basal, 125 



Illusions, 235 



Imageless thought, sense of term, 

 219 



Imagery, 214, 215, 218, 219, 220, 

 221, 228, 229, 241, 243; a function 

 of the living cerebral cortex, 221 ; 

 association of, 241; cerebral, 218; 

 concrete, 220, 221; different in 

 different persons, 219; distributed 

 by abnormal state of cortex, 221 ; 

 motor, 214; neurographic, 243; 

 represents only superficial and 

 exterior properties, 219; rigid, 

 correlated with metabolic proc- 

 ess at work in cerebral cortex, 

 228, 229; rigidly proportioned 

 underlying neurogram, 215; sen- 

 sible, presupposed by thought 

 and volition, 221 ; shows corre- 

 sponding degrees of integrity 

 and intensity, 229; sporadic 

 and fragmentary, 229; tactile, 

 214 



Imagination, 213, 221, 222, 228, 229, 

 231 ; cerebral sense, 222, 228, 229; 

 its normal exercise depends on 

 physiological normality of cere- 

 bral cortex, 221; organic func- 

 tion, 231 



Imaginative activity, 229 



Immortality, considered an ano- 

 dyne, 358 



Immunity, 57 



Immutibility, 50, 52 



Impenetrability, 225; of matter, 

 law of, 225; reflection opposed 

 to, 225 



Improvised structures, 281 note, 

 283 



Incubation, purposeless, 259 



Independent Assortment, Law of, 

 27 



Index fossils, 93, 94, 96, 97, 100, 

 104, 107, 108, 109, 110, 111, 112, 

 335, 339; basis of stratigraphic 

 correlation, 93, 94; an arbitrary 

 and elastic criterion, 94, 95 ; final 

 court of appeal, 93, 96, 97, 335; 

 in conflict with physical and 

 stratigraphic evidence, 100, 104- 

 112 



India, 114 



Indian dialects, work of philoso- 

 phers, 338 



Indian Ocean, 114, 115 



Individuation, 220, 224; concrete, 

 224 



Indo-Europeans, 334 



Industry, Mousterian, 326, 327, 329, 

 330, 331 ; Acheulean, 331 ; Aung- 

 nacian, 331 



Inertia, defined, 174 



Infusion, 193; not supernatural, 

 193; of spirit into matter, not a 

 miracle, 193 



Infantilism, 294 



Inference, 221, 240; mediate, 221 



Infundibulum, 293 



Infusoria, supposed abiogenetic 

 origin of, 134 



Inheritance, 2, 8, 9, 24, 27, 38, 40, 

 41, 42, 45, 56, 57, 62, 63, 64, 75, 

 160, 294, 320; definition of, 41; 

 biparental, 160; chemical theory 

 of, 57; laws of, 2, 24, 27, 42; 

 similifying process, 40, 45-;-not 

 only one, 56 — also said to diver- 

 sify, 63, 64; variable, 75 



Inhibition, 242, 252 



Initial vivification, 133; act, 133; 

 of matter required a formative, 

 133; rather than creative, 133 



Inquilines, 46 



Insectivora, 275 



Insects, 225, 307; evolutionary di- 

 minuendo of, 116; wingless, 307 



Instinct, 238, 240, 247, 249, 250, 251, 

 252, 254, 256, 257, 259, 263, 264, 

 265, 267, 291, 343, 361; defined, 

 255, 256; James' definition of, 



