86 HEREDITY. 
member the inglorious collapse of the Darwinian regime 
and they are slow to hail another “Abraham of scientific 
thought.” They are, in a general way, believers in some 
kind of evolution; but they prefer not to specify exactly 
the laws which have been operative in past “geological 
time.” It is only in high-school texts in physical geo- 
graphy, zoology, and botany, that the evolutionary theory 
as propounded by Darwin is still treated as if it enjoyed 
among scientific men the same respect as the multiplica- 
tion table. Speaking in the Darwinian dialect we should 
say that the authors of these school-texts constitute a 
case of ‘arrested development.” 
’ 
