s will, in the years to come, write a chapter in the story of
rubber more thrilling than we are able to imagine to-day!

A REVIEW AND QUESTIONS

1. Who was the first white man to see rubber?

2 What use were the natives making of it?

3. Who was the first white man to go up the Amazon?

4. Of what nationality were the explorers who were sent to find
out about rubber?

5. Who was the first European monarch to use rubber?

6. How did rubber get its name?

7. How did rubber first come to the United States?

8. Why are some raincoats called mackintoshes?

9. Why is Charles Goodyear called "the father of the rubber
industry"?

10. What is "vulcanizing"?

11. What famous men fought in court over the patents?

12. What has a beetle to do with rubber?

13. Name and describe the liquid in which rubber is found?

14. In what part of the tree is this liquid found?

15. What is the difference between this liquid and the sap of a
tree.

16. Name and describe the best rubber tree.

17. How are the seeds spread?

18. What climate is needed for rubber trees?

19. Which country formerly supplied all the rubber used in the
world?

20. Who first thought of growing rubber trees on plantations?

21. Why did he think it was better to grow them on plantations?

22. How were the rubber seeds taken from Brazil?

23. On what tropical island was the first plantation started?

24. Where are rubber plantations found to-day?

25. What is the yearly output of the plantations?

26. What was the curious coincidence in the growth of the
plantation industry?

27. What is meant by the Rubber Belt around the world?

28. What countries are the principal producers of rubber?

29. Why is the worker on a plantation better off than one who
lives in the jungle?

30. When are trees ready to be tapped?

31. How are trees tapped?

32. How is rubber "cured" in the jungle?

33. How is it "cured" on the plantation?

34. Why is rubber manufacturing peculiarly an American industry?

RUBBER PRODUCTS

There are so many different articles made in whole or part of
rubber that it would not be possible to list them all on this
page. The following list of just a few of the thousands of rubber
products made by the United States Rubber Company, the oldest and
largest rubber organization in the world, will help you to think
of many other articles made of rubber.

TIRES

"U.S." Royal Cord Automobile Tires.

"U.