CHAPTER VI. 
TIIE THREE STRONGEST ARGUMENTS. 
“ In point of argument the truth is always far the strongest.” 
[raXr;0t<r au irkuorov Xoyou.] 
—Sophocles. 
Mr. Romanes, in his Darwin and After Darwin, adduces 
three main arguments in favour of the theory of Natural 
Selection. Now, when a writer of wide knowledge and 
great critical acumen, who is also one of the experts on 
a given subject, definitely sets himself the task of finding 
the strongest arguments for a particular theory, we are 
sure that the advocacy of the subject will not suffer in 
his hands. It is reasonable to suppose that he will make 
the best possible selection. On the other hand, the con 
troversialist who deals with such arguments cannot be 
charged with selecting the weakest points for his attack. 
(a) THE CONFLICT BETWEEN RACE AND RACE. 
“ When Greeks joined Greeks then was the tug of war.” 
—Nathaniel Lee. 
“The one is taken and the other left.” 
The first argument in favour of the transmutation of 
species by means of Natural Selection is drawn from the 
conflict between one race and another, which results in