594 



SUBJECT-INDEX. 



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

 2, S47-51. 



Polype (see Caelenterata). 

 Polyzoa,: structural indefiniteness, 1 

 145 ; functional differentiation, 1 

 158 ; integration, 2, 85, 88 ; sym- 

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

 nation, 2, 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, isomerism, 1, 483, 486, 487. 

 Protococcus (see Protophyta). 

 ProtopJiyta : central development, 1, 

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

 self-mobility, 1, 147 5 individuality, 

 1, 202 ; spontaneous fission, 1, 216 ; 

 genesis, 1, 249, 2, 419, 442 ; hetero- 

 genesis and nutrition, 1, 235 ; uni- 

 cellular, 2, 14; flymmetry, 2, 119; 

 tissues, 2, 226, 231. 



Protozoa : locomotion, 1, 54, 147 ; cor- 

 respondence shown by, 1, 75 ; struc- 

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

 1, 134, 135, 372 ; spontaneous fission, 

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

 heterogenesis and nutrition, 1, 235 ; 

 undifferentiated, 1, 306 ; distribution, 

 l t 312; "spontaneous generation," 

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

 111 ; progressing integration, 2, 79- 

 83, 111 ; symmetry, 2, 169 ; diflferen- 

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

 rotifera, 2, 432, 439. 

 Pseud-axial development, vegetal, 2, 20, 



22. 

 Pseudo-foliar development, vegetal, t, 



18-20, 22. 

 Pseudo parthenogenesis, animal and 



vegetal, /, 214-6 ; g, 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, .Z, 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 ; natural 

 selection and brain evolution, 1, 469 ; 

 " mechanical theory" and the unknow- 

 able, /, 490-2 ; vitiation of evidence, 2, 

 80 ; repetition and perception, 2, 128 1 

 sensation and vascular system, 2, 299 | 

 differentiation of sensory organs, #, 

 302-7 ; differentiation of nerve tissue, 

 2, 346-51, 352 ; functional integration, 

 2, 3G8; also integration, 2, 372-5; 

 equilibration of nerve discharge, 2 t 

 386 ; genesis and nerve development, 

 2, 415, 502 ; mental activity and 

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

 human evolution, 2, 4U5-7, 49y ; 

 human evolution and genesis, 2, 501- 

 3 ; future mental development, #, 

 506 ; origin of vertebrate type, 2, 

 567-9. 



Pteropoda : bilateral symmetry, 2, 181 j 

 outer tissue, 2, 292. 



Pyrosoma : phosphorescence, 1, 47 ; in- 

 tegration, 2, 89. 



QUATERNARY compounds, properties, 1, 



12-14, 23. 

 Quills, development, 2, 299-302. 



RABBIT : activity and muscle colour, 



2, 356-60 ; expenditure and genesis, 



*, 451. 



Eadial, definition, 2, 133. 

 Eafflesiacece : tissue differentiation, 2, 



235, 257 ; nutrition and genesis, 2, 



463. 

 Rathke, H., on vertebrate embryo, 2, 



106. 



Ray, J., plant classification, 1, 296. 

 Reasoning, compared with assimilation, 



1, 62-8. 

 Remak, R., on vertebrate embryo, 9, 



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, 



". 361-4. 



Reproduction (see Multiplication). 

 Eeptilia : growth and expenditure of 



force, 1, 114, 1 27 ; sizes of ova and 



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



