396 



INDEX. 



Tulloch, Principal, on the philosophy of 



miracles, 199. 

 Turnip, origin of, 111. 

 Tyndall, Prof., on matter, 390. 

 Types, prophetic and synthetic, of Agas- 



siz, 116. 



Ungulata, affiliation of, 243. 



Unity of the human race, 1T9. 



Universe, relation of God to, 5T-59, 131, 

 152, 167. 



Utricularia, or bladderwort, insectivor- 

 ous, 324. 



Variation, cause of, unknown, 12, 76, 84, 

 15T, 158, 170, 196, 837, 3S5 ; an inherent 

 tendency, 15, 96, 837, 386, 388; of 

 domestic animals not exceptional, 26 ; 

 extent of, undetermined, 27, 97, 111, 

 118, 203 ; effect of domestication upon, 

 26, 29, 208 ; more likely than inherit- 

 ance to be explained, 29, 207 ; not in 

 every direction, 147, 387 ; may be led 

 along beneficial lines, 148 ; among wild 

 t^ecies, 174, 203 ; in the oak, 181, 185, 



187 ; in the birds of America, 244 ; 

 compared to the wind which propels a 

 ship, 386. 



Varieties, do not differ from closely re- 

 lated species, 35, 90, 97, 111, 112, 123- 

 126, 185, 200, 203 ; less definite than 

 species, 184 ; do they wear out ? 338 

 g., 345. 



Venus's Fly-trap (see Dionaea). 



Vestiges of creation, characterized, 24, 

 237. 



Wallace, A. K., formula of, concerning 

 the origin of species, 119, 191. 



Wastefulness of Nature, 89, 372-374; 

 not objectless, 375, 377 ; of pollen in 

 pine and oak trees, 375; in mould fun- 

 gi, 377. 



Westminster Review, article in, on de- 

 sign in Nature, 361 sq. 



Whewell, on divine interposition in Na- 

 ture, 259, 269. 



Winchell, Alexander, on the doctrine 

 of evolution, 269, 281. 



Wind carriage, cheap, 377. 



Wyinan, Prof., on pitcher plants, 329. 



THE END. 



