Subject Index 
V 
lator II 307-320; in Helix aibustonim v 387- 
399 ; human brain weight with various charac- 
ters IV 13-104 ; human viscera iii 63-83 ; human 
skull III 191-244 : see also Skull ; human hair 
and eye-colour iii 459-466 v 298-350, supplc- 
ment ; mental and physical characters i 345-360 
II 370-372, 399-462 ; in meristic series iii 321- 
338 IV 213-229 v 483; in mice iii 7, 19, 37-18 ; 
in Paramecium i 400-404 v 213-297 ; in plants 
III 104-107 ; Scotch insane v 298-350, supple- 
ment ; in wasps v 420 
Osteitis Deformans iv 112 
Parabolas, fitting of to observations ii 9-23 iii 99- 
103 
Paramecium i 400-407 ii 321 et seq. v 54, 213- 
297, 485 
Parental Correlation : see Inheritance 
Parsnip i 868 
Parthcnogenctic Inheritance i 11, 129-154, 364 
Pea, Sweet (Lathyrus) v 482 
Pea (Pisum) i 228-254 h 45 
Pear Tree i 28 
Pedigree Tables iii 29-37 
Periodic Selection: see Selection, Periodic 
Personal Equation v 470-476, 486 
Petites Especes : see Species 
Physical Characters in Man iii 131-190, 467-469 
IV 78-80, 83 v 105-146, 197, 202, 211, 485: 
see also Hand, Head, Hair, Eye, Skull, Stature, 
Fertility, Length of Life, Immunity, etc. 
Physical Deterioration iv 479 
Pig V 203-205, 441, 485 
Pigeons v 211 
Pigmentation and health iii 465 
Pigmentation : see Colour for the rest 
Pioneers of Biometry i 4 v 13-52 
Place Modes : see Loca I Races 
Pneumonia iii 71, 72 
Polydactylism v 483 
Polymorphism in plants i 304-319 ii 114, 145-164 : 
see also Local Races ; Frequency Curves, Multi- 
modal; Bimodalit)/, Dicliromatixm, Mode 
Poppy I 304, 367 li 56-100 iv 394-426 v 33 
Popularity ill 152, 155, 186 v 105-146 
Population, Groioth of in Buenos Ayres iii 99-103 
Poiiltry I 367 ii 123 v 210, 482, 483 
Preformation of the Embryo in the Egg v 147-167 
Prepotency ii 300 v 425; intermittent ii 389-391 ; 
sex II 389 V 211 ; unit ii 389-391 iii 345 
v 211 : see also Dominance 
Primula in 401, 422 v 210 
Priority of Birth and Duration of Life i 53-57 
Probable Errors : see Random Errors 
Progressive Means v 370 
Promise of Youth and Performance of Manhood 
V 485 
Proper Fractions, distribution of v 179-181 
Protective Colouration ill 58, 59 v 211 
Psychical Characters of Mankind iii 467-469 
IV 78-80, 83 v 105-146, 197, 202, 211 ; inherit- 
ance of III 131-190 V 129-131, 460-469, 485 
Pure Lines (Johannsen) ii 499-503 
Purity of Gametes i 228-254 ii 44-55, 286-298 
III 1-51, 108 IV 1-12, 231-232 v 212, 483 : see 
also Mendelism 
Quadrature Formulae i 273-303 iv 378 
Quietude v 127, 460-469 
Rabbit II 299-306 v 210, 211 
Races of Man, comparisons of i 332, 409-467 
II 345-356, 504-512 iii 191-244, 459-466 
IV 13-104, 125-133, 161-168 v 92-104, 298- 
350, supplement ; interracial correlation iv 286- 
312 
Radial Canals of Aurelia aurita i 90-108 ; of 
Psoudoclytia pentata i 255 
Riuliatio)i and the Development of the Egg v 162 
Random Change in Segments iii 338-341 
Random Errors in Frequency Constants ii 273-281, 
504-508 ; computation of iv 386-393 v 190, 
212 ; of the difference between the correlation 
coefficient and ratio iv 332-350; of coetlicient 
of class divergence v 198-203 ; of counting with a 
hacmacytonieter v 351-360; of isotropy v 471 ; 
of mean scjuarc contingency v 191-197 ; sub- 
samjjle v 181-183, 315-333 
Random Fliqht, problem of v 212 
Rat 1 244 v 211 
Regression i 323, 365-374 ii 217-228; linear 
(specially emphasi/ed) ii 361-370, 395, 468-470 : 
see also Correlation, Organic Correlation 
Reproductive Selection : see Selection 
Reversion u 172, 289: see also Heterozygote, 
Mendelism 
Schedules for Data ii 359, 360 
Scientific Men, statistics of v 483 
Seasonal Polymorphism, in the beetle Gonioctena 
v 211; in plants i 125-128, 304-319 ii 113, 
145-164 III 398-458 
Sea Urchin v 53 
Secular Modes i 313-314 
Secular Variation i 109, 118-119, 261-264, 408- 
467 II 371, 395 
Segments, random increase and decrease of iii 338- 
341 
Selection i 331-333 ; in Aurelia aurita i 95 ; 
and correlation n 510; among crabs v 25; in- 
tensity of natural selection among the English 
I 50-89 II 371, 395 v 211; by disease among 
the English iii 73 ; infant mortality v 211 ; 
natural selection in Lepidoptera iii 113-130 ; 
modifying the intensity of inheritance in a 
population iv 403-411 v 84, 85 ; periodic i 119- 
124, 384, 468-492 ii 210, 371, 395 in 299- 
306 V 387-399 ; and pigmentation in man- 
kind III 465 ; reproductive i 256 ii 371, 373, 
396 IV 280-285; of the sexes separately in 
mankind iv 163 ; sharply curtailed, contrasted 
with normal iv 495-510; in Spinax uiger iii 321 ; 
sexual selection iv 161-168, 287, 292 ; effect 
upon variation ii 510 
Self-Consciousness v 125 et seq., 460-469 
Severity of Disease, means of estimating v 423- 
434 
Se.v and brain weight iv 45, 155, 156 ; determina- 
tion of II 241 III 343; differences in the 
estimation of time v 212 ; dimorphism in the 
beetle Gonioctena v 211; influence of number of 
changes on inheritance ii 237-240, 257 ; infantile 
mortality of the sexes compared iv 510-515 ; 
interracial correlation in mankind iv 163; and 
merism in Spinax niger iii 313-365 ; sex pre- 
potency : see Rrcpotowy ; physical ditferences 
V 105-146, 460-469; and statural differences 
I 39-49 ; sexual selection : see Selection ; wing 
measurements in wasps v 407-422 
