INDEX 



379 



Use-acquirements, 33, 133 ; a high 

 and a late product of evolution, 

 35, 226, 235, 248 



Vaccination controversy, 179 



Vaccioia, modified small-pox, 121 ; 

 death of Esquimaux from, 154 



Variations, definition of, 6 ; occur 

 independently of acquirements, 11 ; 

 and of bi-parental reproduction, 49 ; 

 and of the direct influence of the 

 environment, 39, 158 ; spon- 

 taneous, 38 ; cause of spontaneous 

 variations, 95, 165 ; progressive, 

 58, 60, 61 ; regressive, 58, 61 ; 

 influence of new environments on, 

 83 ; magnitude determined by 

 Natural Selection, 82 



Varigny, de, on bees, 353 



Vernon, Dr. H. M., on variations, 354 



Vestigial remains, 88 



Vilmorin, on carrots, 353 



Vines, Prof., on a-sexual evolution 

 of fungi, 49 



Voluntary action, 214 ; analysis of, 

 220 



Vries, de, on pangenes, 57 ; on Men- 

 delism, 360 ; on mutation theory, 

 362, 364 ; on dandelions, 364-5 



Walcheren, malaria in, 140 

 Wallace, A. R., on human faculties, 



237 ; on superfluous energy, 243 

 Waring, on malaria in Madras, 138 



Warren, Dr. E. ; observations on 

 Daphnia Magna, 50 



Weismann ; definition of heredity, 1 ; 

 the continuity of the germ -plasm, 

 9 ; origin of variations, 19, 47, 

 165, 366 ; on regeneration, 30 ; ex- 

 periments on colour of butterflies, 

 40-1 ; on a-sexual variation in Ostra- 

 cods, 49 ; on biophors, 57 ; on the 

 unknown factor in evolution, 91 ; 

 on germinal selection, 92, 355 ; on 

 qualitative changes, 133 ; on Nat- 

 ural Selection, 109 ; on instincts of 

 sitaris, 222 ; on general problems, 

 326 



Weldon, Prof., on Natural Selection, 

 109 



Wells, Dr. W. C., on Natural 

 Selection, 331 



Wells, Mr. H. G., on Alcoholism, 

 344 



West Indies, Spanish conquest of, 

 184 



Whooping-cough, evolution against, 

 153 



Will, the, 214, 219 



Wright, Dr. Strethill, on Medusx, 

 55 



Yellow fever, passive immunity to, 

 124 ; place of origin of, 175 



Zebra, reversion when cross-bred with 

 horse, 70 



THE END 



