SEW YORK HARBOUR, 



LOCOMOTION BY RIVER AND RAILWAY 



IN THE UNITED STATES. 



CHAPTEE I. 



, Natural apparatus of internal communication in United States. 

 2. Canal navigation. 3. Erie Canal. 4. Extent of canals. 5. Total 

 cost, and cost per mile. 6. Extent of canals as compared with popu- 

 lation. 7. River and coast navigation in United States. 8. Steam 

 navigation on Hudson. 9. Tables of Hudson steamers. 10. Beauti- 

 fully finished machinery and structure. 11. Their great speed. 

 12. Application of expansive principle. 13. Explosions on eastern 

 rivers rare. 14. Description of paddle-boards and mode of working 

 steam in steamers of eastern rivers. 15. Power of engines. 16. Fares 

 reduced with increased size of vessels Form and structure of 

 Hudson steamers. 17. Description of the navigation of that river. 

 18. Steam navigation of other American rivers. 19. Mississippi 

 steam -boats . 2 . Cause of explosions . 2 1 . Magnitude and splendour 

 of boats. 22. Extent of the navigation of the Mississippi valley. 



LARDNER'S MUSEUM OP SCIENCE. c 17 



No. 15. 



