NATURAL SELECTION 87 



varieties of the same animal may long remain distinct, 

 from haunting different stations, from breeding at 

 slightly different seasons, or from the individuals of each 

 variety preferring to pair together." 



If two varieties of the same animal in the same 

 area (presumably an extensive one) haunt different 

 stations, they are practically isolated, and do not cross 

 with each other. 



If, again, two varieties (?) in the same area breed 

 at different seasons, or if their individuals prefer to 

 pair together, it is obvious that their reproductive 

 systems have been so materially affected as to entitle 

 them to be regarded as species, not as varieties. 



It is to my mind an outrage upon science, upon the 

 action of natural law, and upon common sense, not to 

 assume that free intercrossing will, in every case, 

 eliminate any denned variety, and that very speedily. 

 A very small amount of intercrossing will frustrate 

 all attempts of man to form a definite breed. 



It is time now to consider the fugitive nature of 

 individual variations. Mr. Galton in his interesting 

 work treating of inherited genius, shows that it is 

 not uncommon for high intellectual endowments 

 to manifest themselves in successive generations in 

 members of the same family. Kemarkable sons 

 succeed remarkable parents, and it is also not unusual 

 for nephews of the first distinguished man to display 

 as great talents as himself, if not greater. 



This makes it clear that the inheritance came from 

 the parents of him whom we may call the founder of 



