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THE POPULAR SCIENCE MONTHLY. 



shape, is hoisted by a rope passed over a fork at the top of the mast. 

 A more unwieldy, unseaworthy-looking craft it is impossible to con- 

 ceive, and yet they make long voyages in such a vessel to places two 

 hundred miles distant. They have been aptly described as huge float- 

 ing hay-stacks. As they can only run before the wind, the crew choose 



