» 



2G2 



THEOEIES AS TO THE NATUEE OF SPECIES. [Ch. XXXV. 



time 



animate 



uments 



lie could not adduce a single instance of the gradual conver- 

 sion of any one species of animal or plant into another ; and 

 that in his appeal to the results obtained by the breeder and 

 horticulturist, he had failed to show such a change in the 



common stock as miP'ht 



om 



a distinct species. It was conceded, for example, on all hands 



modifications 



exhibit the influence of man in the most striking point of view. 



animals 



M 



made 



panion, the guardian, and the intimate friend of man, and 

 the power of a superior genius had had a wonderful influence 

 not only on their forms, but on their 



manners 



gence. ^ Different races have undergone remarkable changes 

 in the quantity and colour of their clothing; the dogs of 

 Guinea are almost naked, while those of the arctic circle are 

 covered with a warm coat both of hair and wool, which enables 



them 



There are differences also of another kind no less remarkable. 



their foreheads. 



muzzles 



some 



The difference in stature/ said Cuvier, 



dimensions ' makin 



volume, t 



b 



But, said the advocates of the immutahilitj of species, if 



mi 



Lamarck 



of new organs and the gradual obliteration of others, we find 



nothing of the kind. 



afiirmed 



In all the varieties of the dog, as 



other 



ema 



same 



M 



^ Dureau de la Malle, An. des Sei. Nat., torn. xxi. p. 53, Sept. 1830 

 t Cuvier, Discours Prelimin., p. 128. 





; 



C^ 





super" 

 fiugerc 



ItAV, 



most 



the ^^ 

 fertile 



cated 1 

 varieti 

 offspri 

 mule I 

 parenl 



the an 

 cation, 



sion, t; 



aceura- 



handed 



might 



same 



howove 

 iuaoT 



^s, in t 



I 



and 



Wo 



Ith. 



m 



acco 

 Patioi; 



He 



do 



^^% 



\ 



ec 



