QUESTIONS 221 



ways in which this kind of " missionary work " is done. What ad- 

 vantage is there in giving free treats to boys ? If boys cannot be 

 secured as drinkers, what will happen to the liquor business of the 

 world ? Where did Dr. Lambert go for his facts about all this ? 

 What made him decide to find out how old people generally are 

 before they begin to drink ? How many persons answered his 

 questions ? How many of the two hundred and fifty-nine persons 

 began to use alcohol before the age of four? between the ages 

 of six and twelve ? between twelve and sixteen ? between sixteen 

 and twenty-one ? between twenty-one and thirty ? After thirty how 

 many were there ? What per cent of those who have the alcohol 

 habit began to drink before they were twenty -one years old ? If a boy 

 is free from the habit until he is twenty-one, what are his chances ? 



CHAPTER XXI 



Point out the vital difference between man and the huge animals 

 of former times. How did the brain of the largest animals compare 

 in size with the brain of the smallest man that lives to-day ? Ex- 

 plain the size of man's brain by the five-linked chain of evolution. 

 While the brain developed, what other useful part of man was also 

 developing ? In what ways did man now begin to help himself and 

 his descendants ? In order to understand man in his early condition, 

 what part of modern civilization must we sweep away ? Describe the 

 conditions in which our earliest human ancestors lived. Mention 

 one or two of the greatest early inventions. How is man supposed 

 to have made his first fire ? How important to the race was this 

 discovery ? What constituted the beginnings of architecture ? What 

 faculties of the mind did early man press into service ? What was 

 the beginning of our higher mathematics ? In all this what did each 

 generation gain from the generation that went before ? What do 

 we mean by " social inheritance " ? In addition to his physical in- 

 heritance and his social inheritance, in addition to his inventions and 

 his discoveries, what did the spiritual part of man do for him ? So 

 far as his past and his future are concerned, in what way is man 

 superior to all other living creatures ? What is it that gives man 

 conscious power as he walks the earth ? What does he know about 



