1 68 Spelling and Writing Exercise. 



5. The ingenuity and patient thought of man 

 can, however, overcome many difficulties, and 

 one plan after another has been tried, until all 

 obstacles have been overcome. 



6. The next time it blows hard on a dark 

 night, especially if the wind blow towards the 

 shore, you can readily imagine every one on 

 board a ship peering eagerly to see the wished- 

 for light. When at length they see it, what joy 

 spreads from stem to stern ! The captain takes 

 out his watch, and, after observing a little, says : 

 " It is a revolving light, and it revolves in so 

 many minutes ; now I know which light it is, 

 and I know just where we are." 



REVIEW OF CHAPTER XV. 



What are light-houses built for ? Of what materials are 

 they built ? On what are they built ? On the coast, usually 

 on capes and islands. If the keeper should neglect the light, 

 what might be the consequence ? How does he get up to 

 the light ? By means of stairs inside the light-house. 



SPELLING AND WRITING EXERCISE. 

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