594 



SUBJECT-INDEX. 



23 ; ternary, 1, 11, 23 ; nerve tissue, 

 2, 847-51. 



Polype (see Ccelenterata). 

 Polyzoa, : structural indefiniteness, J?, 

 145 ; functional differentiation, 1, 

 158 ; integration, 2, 85, 88 ; sym 

 metry, 2, 177, 189 ; functional co-ordi 

 nation, #, 368 ; genesis, 2, 425. 

 Potato : simulation of growth, 1, 108 ; 



physiological differentiation, 1, 238. 

 Preservation : fertility and self-, 2, 403, 



410 ; nutrition, 2, 469. 

 Protein, isoraerism, 1, 483, 486, 487. 

 Protococcus (see Protophyta). 

 Protophyta : central development, 1, 

 134 ; axial, 1, 135 ; structure, 1, 145 ; 

 self -mobility, 1, 147 ; individuality, 

 1, 202 ; spontaneous fission, 1, 216 ; 

 genesis, 1, 2*9, 2, 419, 442; hetero- 

 genesis and nutrition, 1, 235 ; uni 

 cellular, 2, 14; symmetry, 2 t 119; 

 tissues, 2, 226, 231. 



Protozoa : locomotion, 7, 54, 147 ; cor 

 respondence shown by, 7, 75 ; struc 

 ture, 1, 111, 144, 145 ; development, 

 7, 134, 135, 372 ; spontaneous fission, 

 1, 216 ; genesis, 1, 219 ; 2, 422, 431 ; 

 heterogenesis and nutrition, 1, 235 ; 

 undifferentiated, 1, 306 ; distribution, 

 7, 312; &quot;spontaneous generation,&quot; 

 1 480-4 ; primary aggregate, 2, 77-9, 

 111 ; progressing integration, 2, 79- 

 83, 111 ; symmetry, 2, 169 ; differen 

 tiation, 2, 282, 291, 378 ; genesis in 

 rotifer a, 2, 432, 439. 

 Pseud-axial development, vegetal, 2, 20, 



22. 

 Pseudo-foliar development, vegetal, #, 



18-20, 22. 

 Pseudo - parthenogenesis, animal and 



vegetal, 1, 214-6 ; 2, 466. 

 Pseud-ova, of Huxley, 1, 214. 

 Psychology : reasoning and definition of 

 life, 1, 62-71 ; correspondence shown 

 by recognition, 1, 77 ; contrasted with 

 physiology, 1, 98 ; subjective, and 

 objective, 1, 99; comparative and 

 general, 1, 100 ; vicarious function, 

 1, 166 ; waste and repair in sensory 

 organs, 1, 173-4; sensory adaptability, 

 1, 186, 188, 189 ; sensory organs and 

 heredity, 1, 244 ; heredity and musical 

 talent, 1, 249; primitive ideas and 

 progress of knowledge, 1, 333 ; in 

 conceivability of special creation, 1, 

 336, 344, 348, 470 ; conceivability of 



evolution hypothesis, /, 348-51, 355, 

 470 ; persistent formative power, un 

 representable, 1, 404 ; E. Darwin and 

 Lamarck on desires, 1, 406 j natural 

 selection and brain evolution, 1, 469 ; 

 &quot; mechanical theory&quot; and the unknow 

 able, 1, 490-2 ; vitiation of evidence, 2 t 

 80 ; repetition and perception, #, 128 j 

 sensation and vascular system, 2, 299 ; 

 differentiation of sensory organs, 2 t 

 302-7 ; differentiation of nerve tissue, 

 2, 346-51, 352 ; functional integration, 

 2, 368 ; also integration, 2, 372-5 ; 

 equilibration of nerve discharge, 2, 

 386 ; genesis and nerve development, 

 2, 415, 502; mental activity and 

 genesis, 2, 485-7, 489-92, 502 ; future 

 human evolution, 2, 495-7, 499 ; 

 human evolution and genesis, 2, 501- 

 3 ; future mental development, #, 

 506 ; origin of vertebrate type, #, 

 ,567-9. 



Pteropoda : bilateral symmetry, 2, 181 ; 

 outer tissue, 2, 292. 



Pyrosoma : phosphorescence, 7, 47 ; in 

 tegration, 2 t 89. 



QUATERNARY compounds, propevties, 1, 



12-14, 23. 

 Quills, development, 2, 299-302. 



RABBIT : activity and muscle colour, 



2, 356-60 ; expenditure and genesis, 



2, 451. 



Eadial, definition, 2, 133. 

 Raffiesiacece : tissue differentiation, 2, 



235, 257 ; nutrition and genesis, 2, 



463. 

 Rathke, H., on vertebrate embryo, 2, 



106. 



Ray, J., plant classification, /, 296. 

 Reasoning, compared with assimilation, 



1, 62-8. 



Rernak, R., on vertebrate embryo, , 



108. 

 Repair: continuity of, 1, 171-4; of! 



animal injuries, 1, 175, 179-82 ; 



organic, and assimilative power in 



blood, 177-9 ; of differentiated tissue, 



2, 361-4. 



Reproduction (see Multiplication). 



Eeptilia: growth and expenditure of 

 force, 1, 114, 127 ; sizes of ova and 

 adult, 1, 116 ; temperature, 1, 146 ; 



