A BEAVER’S REASON 
that detects the egg of the cowbird when it is laid 
in the bird’s nest, and that is the yellow warbler. 
All the other birds accept it as their own, but this 
warbler detects the imposition, and proceeds to get 
rid of the strange egg by burying it under a new 
nest bottom. 
Man is undoubtedly of animal origin. The road 
by which he has come out of the dim past lies 
through the lower animals. The germ and poten- 
tiality of all that he has become or can become was 
sleeping there in his humble origins. Of this I have 
no doubt. Yet I think we are justified in saying 
that the difference between animal intelligence and 
human reason is one of kind and not merely of 
degree. Flying and walking are both modes of loco- 
motion, and yet may we not fairly say they differ in 
kind? Reason and instinct are both manifestations 
of intelligence, yet do they not belong to different 
planes? Intensify animal instinct ever so much, 
* and you have not reached the plane of reason. The 
homing instinct of certain animals is far beyond 
any gift of the kind possessed by man, and yet it 
seems in no way akin to reason. Reason heeds the 
points of the compass and takes note of the topo- 
graphy of the country, but what can animals know 
of these things ? 
And yet I say the animal is father of the man. 
Without the lower orders, there could have been 
no higher. In my opinion, no miracle or special 
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