vI ANIMAL TRAINING AND INTELLIGENCE 181 
serves his human masters, and his mind, accus- 
tomed to the complexity of human methods, is 
ripe to acquire new ideas. 
In fact, it cannot be too strongly urged that the 
work of the sheep-herding collie, of the dogs used 
in finding, attracting, or retrieving game, in dis- 
covering truffles, in rescuing lost or drowning per- 
sons, etc., exhibit far more real brain-power, 
sagacity, and true education than all of the ac- 
complishments of trick-dogs put together. These 
latter are merely doing over and over a routine 
of things of no real importance or object, and 
which, as they are always precisely the same, 
call for nothing more than memory and willing- 
ness or the part of the performers; whereas the 
work of a shepherd’s or drover’s dog, of a setter 
on the shooting-ground, and of many other dogs 
in the service of mankind, requires a constant 
exercise of judgment, discrimination, and adapta- 
bility, and furnishes an incessant stimulus to their 
minds. No automaton could serve their purpose; 
and could they not accommodate their conduct 
intelligently to their master’s movements and to 
constantly varying circumstances, they would be 
comparatively useless. Any sportsman or herder 
will tell you that good sense is the most essential 
quality in his four-footed assistant. As a matter 
of fact, trick-dogs are usually chosen from breeds 
that are good for nothing else. _ 
This introduces a general and, I believe, a just 
