344 



Index. 



Sole, pigment of, 104. 

 Somatogenetic and somatoplasm, 



3,i37,i55, 242-249- 

 Some Law* of Heredity, referred 



to, 24. 

 Species, stress laid on origin of, 



159; necess.n lily due to natural 



selection, 168. 



definitions of, 229. 

 Srp.NCF.R, Heibeit, 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 beliveen the 



parts of an Organism, referred 



to, 299. 



T. 

 Theory of Heredity, referred to, 



40,47, '37, >54! quoted, 46, 47. 

 THOMAS, Mr. Oldfield, referred to, 



178. 



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

 TOUD, J. E., referred to, 35. 

 TOMES, Mr., referred to, 267. 

 Transfusion of blood in rabbits, 



'45- 

 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-inneritance, 3,49, 77,95, 151. 



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

 versality of, 166 ; of' specific 

 characters. 172; of specific 

 characters in birds, 1 70 ; of 

 specific characters in Mammals, 

 178. 



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, Moritr, referred to, 217, 

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

 a, 6, 9, n, 15, 20 35, 50,66- 

 -o, 167, 169, 172-175, 180-19*, 

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

 *58, 263-278, 285, 313-322, 

 3 '8, 331, 33': quoted, 22-24, 

 97, 67, 180-182, 185, 1 86, i<)0, 

 191, 211-223, 235,' 236, 269, 



73, 33- 



Wallacean doctrine of species, 167, 

 169. 



WEISMANN, Prof., referred to, 2, 

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

 105, 112, 128, 134-142, 148, 

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

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

 291, 294, 297, 2(^8, 300, 311, 

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

 243, 244, 297. 



Wtismannism, diagram of con- 

 stituent theories, 43, 136; elu- 

 siveness of, 334. 



Weismannism once more, referred 

 to, 66, 95. 



WELLY, Hon. Lady, referred to, 

 90 



WESTPHAL, Prof., referred to, 105, 

 107. 



Withdrawal of foot by reflex action. 

 75- 



WURTENBERGER, Dr., icferred to, 



Variation of Animals and Plants 

 under Domestication, quoted, 3 , 



Y. 

 VARREI.T., Mr., referred to, 186. 



