21 8 THE MINDS AND MANNERS 



way up from fleas to elephants. It is easy to recall mice, 

 rats, rabbits, squirrels, parrots, macaws, cockatoos, crows, 

 chickens, geese, cats, pigs, dogs, monkeys, baboons, apes, bears, 

 seals, sea-lions, walruses, kangaroos, horses, hippopotami and 

 elephants. It is a large subject, and its many details are full 

 of interest. It is impossible to discuss here all these species 

 and breeds. 



In concluding these notes I leave off as I began,-^with the 

 statement that any student of animal psychology who for any 

 reason whatever ignores or undervalues the intelligence of 

 trained animals puts a handicap upon himself. 



