INDEX 255 



PAGE 



Darwin, his belief that individual variations can lie latent, and 



transmitted for almost any number of generations . 100 

 ,, his concept of developmental ascent from a variety to a 



distinct species . . . . .70 



, , he looked for the checks upon prolific species after they 



had done their work . . . . .19 



,, his assertion of the indefinite power of latency of 

 individual variations, his greatest triumph over the 

 intelligence of his contemporaries . . .93 



,, his struggle for existence could not remain in obscurity 16 

 ,, his suppression of the radical difference between 



individual and specific variation . . .78 



,, his theory accepted without examination of its basal 



principles . . . . . .65 



,, his inability to account for the non-increase of the most 



vigorous species . . . . .5 



Declining industries, their effect ..... 147 



Decrease of pauperism in Great Britain .... 228 



Deficiency of labour, no, caused by emigration . . . 226 



Design alone in Nature's arrangements . . . .51 



Differentiation, individual, essential condition of man in society 239 

 Domestic pigeons, all breeds occasionally shed their varietal 



characters ....... 103 



Dutch marriages, average fecundity of, how obtained . . 191 



Eagles, their increase, how restrained . . . .29 



Economic purpose of Nature in giving their procreative power to 



prolific species . . . . . .57 



Effect of declining industries ..... 147 



Elephants, destruction of young by the great carnivora . . 28 



,, their slow breeding . . . . .28 



Elevation of humanity in refinement not the effect of human 



foresight ....... 21 



Elimination of excess of reproduction of carnivorous animals 



takes place in infancy . . . 18-19 



,, by males of young broods stops at predetermined 



point . . . . . .52 



,, by males, how regulated . . . .54 



Emigration causes no deficiency of labour . . . 226 



,, its effect in producing marriages . . .160 



,, (Irish) distressful and compulsory . . . 161 



,, continued, keeps up the normal population . . 164 



from Norway and Sweden, its rise accounted for . 182 



