598 



SUBJECT-INDEX. 



Wallace, A. R., "The Origin of the 

 Human Eaces," 1, 469. 



Waste: vegetal, 1, 169, 176; animal, 

 i, 169-71, 185 ; relation to activity, 1, 

 175-7. 



Water: properties, 1, 7, 9 ; colloidal 

 affinity for, 1, 26; organic change 

 from, 1, 27 ; organic need for, 1, 119, 

 121 ; in mammalian flesh, 1, 125 ; 

 in organic matter, 1, 145, 149 ; terres- 

 trial organisms inhabiting, 1, 316 ; 

 change of media by animals, 1, 391-7 ; 

 vegetal tissue differentiation, 2, 236 ; 

 molecular rearrangement, 2, 350; 

 colloidal contraction, 2, 352. 



Watts, Dr., on The Principles of Biology, 



Was, folier deposit, 2, 243-5. 



Weight : relation to environment o) 

 organic, i, 145, 149 ; varying as cubt 

 of dimensions, 2, 414, 449. 



Wind : and vegetal bilateral symmetry 

 2, 127 ; and inner vegetal tissue 

 difrerentiation, 2, 258-62, 269, 272 

 381 ; and vegetal multipUcation, 2 

 278 ; and vegetal sap movement, 2 

 552, 553, 556, resume^ 561-5. 



Wolff, C. : vegetal fructification an( 

 nutrition, i, 224, 2, 163-4; vegeta 

 vascular system, 2, 266. 



Women {see Multiplication). 



Wood [see Botany). 



Yeast : fermentation, 1, 35, 27 ; linee 

 aggregation, 2, 16 j fertility, 2, 420. 



