1. THE DESIRE FOR NEW EXPERIENCE. Men crave excitement, and all experiences are exciting which have in them some resemblance to the pursuit, flight, capture, escape, death which characterized the earlier life of mankind. Behavior is an adaptation to environment, and the nervous system itself is a developmental adaptation. It represents, among other things, a hunting pattern of interest. “Adventure” is what the young boy wants, and stories of adventure. Hunting trips are enticing; they are the survival of natural life. All sports are of the hunting pattern; there is a contest of skill, daring, and cunning. It is impossible not to admire the nerve of a daring burglar or highwayman. A fight, even a dog fight, will draw a crowd. In gambling or dice throwing you have the thrill of success or the chagrin of defeat. The organism craves stimulation and seeks expansion and shock even through alcohol and drugs. “Sensations” occupy a large part of the space in newspapers. Courtship has in it an element of “pursuit.” Novels, theaters, motion pictures, etc., are partly an adaptation to this desire, and their popularity is a sign of its elemental force. 1. When 11 years old Walter McDermott was brought to court in company with three other boys, accused of breaking a padlock on a grocery store and attempting to enter the store at four o’clock A.M., March 3, 1909, and also of breaking a padlock on the door of a meat-market and stealing thirty-six cents from the cash till. Put on probation. August 19, 1910, brought to court for entering with two other boys a store and stealing a pocket-book containing $3.00. He admitted to the officers he and his company were going to pick pockets down town. He is the leader of the gang.... Sent to St. Charles. Ran away March 17, 1913. By breaking a window got into a drug store, with two other boys, and stole a quantity of cigars and $1.61. Having taken the money, he gave one boy ten cents and another five cents. He gave away the cigars—eight or nine boxes—to “a lot of men and some boys.” Spent the money “on candy and stuff.” Committed to John Worthy School ... October 27. His conduct has improved greatly; released on probation....