Index. 20 1 



Stock, wild, and species used synonymously when speaking of 



domestic animals, 10 

 , the European and humped cows descend from separate, 



according to Darwin, 16 

 , the dog descends from more than one, according to Darwin, 



29 

 of horse, according to Hamilton Smith, five, according to 



Darwin one dun-striped, 32, 33 



, pigs with a plumed tail descend from a separate, 39 



, Darwin's reasons for believing that all pigeons descend 



from one, 59 ct scq. 

 , many wild races if only known in domestication would be 



unanimously supposed to descend from only one, 82, 83 

 Stocks of European cattle three or two at any rate, 41 

 Strain, evidence wanted of variation in a pure, at the present day, 



28 



Strains faintly characterized may have existed from the begin- 

 ning, 8 



, the selection of, by breeders, 44 



, all, of one breed not known to proceed from one pair, 46 



, different coloured, of one type in one country, 8l 



, permanent, of more than one colour in most breeds of the 



horse, 85 

 of the rock dove unmixed, can fancy-pigeons be raised from ? 



*7 

 , particular, can often be traced some way back in time, 



85-89 



, the most opposite characters may easily be supposed ad- 

 vantageous to any particular, 127 

 , dull-coloured, would have an advantage on Darwinian 



principles, 137, 138 



Struthious birds, their presence in New Zealand, 157, 158 

 Sits, 38 



indica, 35, 36 



aper, 3$ 



Swiss lake-dwellings, the bones of three forms of ox have been 



found in, 41 



