INDEX 



345 



Discrimination, Sensible and Ra 

 tional, the contrast, 124. 



Divisioii of cell, as a means of pro 

 pagation of life, 33. 



Dog at least equal to the Ape, 59. 



EGG, an, the beginning of all or 

 ganic life, 34 ; fertilised, 35. 



Eimer, laws of growth, 7, 102. 



Embryology, comparative, 86 ; its 

 testimony for continuity, 89 ; its 

 perplexities for Biology, 105 ; its 

 relation to intelligent life, 107 ; 

 argument from resemblance of 

 human embryo to that of animals, 

 108. 



Environment, in relation to life, 

 70 ; modified by man, 74 ; ac 

 tion of, 75. 



Evolution, presupposes organic life, 

 3 ; has not been in a single line, 

 4 ; great lines of evidence for, 7 ; 

 logical tests of, 9 ; supplies a 

 working hypothesis, 10. 



Experimental Psychology, 131 ; its 

 value, 133 ; the Chronograph, 

 133 ; the Myograph, 133. 



TERRIER S Contribution to Ex 

 perimental Psychology, 131 ; 

 localisation in the brain, 240. 



Fiske, divergence of man from the 

 animals, 339. 



Flat fishes, transposition of the 

 eye of, 78. 



Forces of Nature, the Cause direct 

 ing their operations, 21. 



Function, as interpreting Struc 

 ture, 33. 



GALTON on Hereditary Genius, 

 117. 



Garner on the speech of monkeys, 

 174 ; on their sympathy, 210. 



Gemmules, 95. 



Germ-cell, 34. 



Gibbon, on the degeneracy of man, 

 323. 



HAECKEL S treatment of heredity, 

 110. 



Hair of plant, movements of, 29. 



Hallam, on complexity of conditions 

 of human life, 138. 



Helmholtz, on the aim of the 

 natural sciences, 138. 



Heredity and Evolution, 84 ; as 

 concerned with organic life, 86 ; 

 relation to embryonic life, 88 ; as 

 it provides for persistence of 

 species, 90 ; transmission of ac 

 quired characters, 90; Darwin s 

 theory, 95 ; Weismann s, 97 ; 

 criticism of these, 100 ; heredity 

 in relation to Mind, 104; simi 

 larity of animal and human em 

 bryos, 108 ; variation in mental 

 powers as illustrating inheritance, 

 109 ; can each variation be traced 

 to germ-plasm? 112; vital rela 

 tion of parents and child, 113; 

 perplexities as to heredity in 

 Rational Life, 117. 



Hobbes, on names, 248. 



Human life, development of, 49 ; 

 two sides of, 52 ; a physiological 

 theory of, inadequate, 141. 



Hume s use of Idea, 224 ; moral 

 sense, 314; moral government, 

 315. 



Huxley denies spontaneous genera 

 tion, 3, 28 ; grants man s causality 

 as something apart, 21 ; on hair 

 of a plant, 29 ; on manufacture 



