344 



Index. 



Sole, pigment of, 104. 

 Somatogenetic and somatoplasm, 



"3, 137, 155, 242-249. 

 Some Laws of Heredity t referred 



to, 24. 

 Species, stress laid on origin of, 



159; necessarily due to natural 



selection, 168. 



definitions of, 229. 

 SPENCER, Herbert, referred to, 8, 



64-68, 95. 



Sphex, instincts of, 88, 337. 

 STEBBING, Rev. T. R,, quoted, 25. 

 Sterility, 8. 



Stirp^and germ-plasm, 40, 47, 138. 

 Struggle for Existence between the 



parts of an Organism^ referred 



to, 299. 



T. 



Theory of Heredity, referred to, 

 447> 1 37, 154; quoted, 46, 47. 



THOMAS, Mr. Oldfield, referred to, 

 178. 



THOMSON, J. A., referred to, 15. 



TODD, J. E., referred to, 35. 



TOMES, Mr., referred to, 267. 



Transfusion of blood in rabbits, 



H5- 



Transplantation of ovaries in 



rabbits, 143, 147. 

 Trees, comparison of European 



and American, 201. 

 Turkey, tuft of hair of, 181 ; losing 



metallic tints, 186. 



U. 



Use-inheritance, 3, 49, 77,95, 151. 



Utility, law of, 8, 20, 1 59 ; uni- 

 versality of, 1 66; of specific 

 characters, 172; of specific 

 characters in birds, 1 76 ; of 

 specific characters in Mammals, 

 178. 



V. 



Variation of Animals and Plants 

 under Domestication, quoted, 3, 



4, 53, 66> 96, 187, 189, 191, 



193, 195, 213-216, 330, 331. 

 Varieties, climatic, 228. 

 Vestigial characters, 171, 184, 261, 



294. 



VINES, Prof, referred to, 297. 

 Vitality, plumes of birds due to 



surplus, 270, 25. 

 Voice, of man, 25. 



W. 



WAGNER, Moritz, referred to, 217, 



WALLACE, Mr. A. R., referred to, 



2, 6, 9, n, 15, 20-35, 5 6o ~ 



70, 167, 169, 172-175, 180-198, 



210, 218-227,235-237, 252,256, 



258, 263-278, 285, 313-322, 



3 2 8, 33 1 , 332; quoted, 22-24, 

 27, 67, 180-182, 185, 186, IQO, 

 191, 221-223, 235, 236, 269, 



273, 313. 



Wallacean doctrine of species, 167, 

 169. 



WEISMANN, Prof., referred to, a, 

 7, 9, 12, 13, 39-60, 65, 66. 90- 

 105, 112, '128, 134-142, ^8, 

 149, 151, 152, 155, 156, 173, 

 241, 243, 244, 246, 279, 280, 

 391, 294, 297, 298, 300, 311, 

 338; quoted, 56, 91, 97, 152, 

 243, 244, 297. 



Weismannism, diagram of con- 

 stituent theories, 43, 136; elu- 

 siveness of, 334. 



Weismannism once more, referred 

 to, 66, 95. 



WELBY, Hon. Lady, referred to, 

 90 



WESTPHAL, Prof., referred to, 105, 

 107. 



Withdrawal of foot by reflex action, 



75- 

 WURTENBERGER, Dr., referred to, 



a 54- 



Y. 



YARRELL, Mr., referred to, 186. 



