INDEX 



329 



Thyroid, 204 



Tissue, 38 



Toxins, 207 f. 



Transformisni, 251 



Truth, 7 



Tschermak, 228 



Tubularia, 126ff., 133, 158 ft. 



Type, 48, 247 f., 282, 291 



"Understanding" (historically), 302 

 Universality, postulate of, 14Sf. 

 Universe, 5 

 Univocality, principle of, 161 



" Values," 317 if. 



prospective, 77 f., 80, 122 

 Variation, 218, 237 f., 276 

 Variation, fluctuating, contingent, 264 f., 



273 f., 282, 290 

 Vernon, 232, 238 

 Vitalism, 143, 145 f., 210 f., 224 f., 234, 



240 f., 272, 277 

 Vdchting, 174, 179 f., 182, 221 

 Volition, acts of, 274 



Vries, de, 228, 238 f. 



Wallace, 292 



Ward, J., 8, 143 



Weber, law of, 191 



Weinland, 202 



Weismann, 33, 52ft'., 58 f., 72, 74 f., 



103, 111, 138, 214 f., 237, 277 f. 

 Weldon, 238 

 Whole, the, 28, 80, 117 



-embryo, 61, 67 f. 

 Wigand, 255, 266, 292 

 Wilson, E. B., 27, 65, 70 f., 86 f., 107 

 Windelband, 13f. 

 Winkler, 116, 221 

 Winterstein, 199 

 Wolff, G. F., 26 



Wolff, G., 105, 146, 255, 266, 287 f. 

 Wolff, J. 177 



Yung, 177 



Zeleny, 112, 115, 212 

 Zur Strassen, 93 



THE END 



Printed by R. & R CI.ARK, LIMITED, Edinburgh. 



