Niagara Falls 



O'Ferrall, Simon Ansley. A ramble of six thousand miles through 

 the United States of America. Lond. : Effingham Wilson. 1832. 

 Pp. 27-33. 



Offenbach, Jacques. America and the Americans. Lond. : William 

 Reeves. (1877). Pp. 74-75 IV and XI 



Qg den, John Cosens. A tour, through Upper and Lower Canada. 

 By a citizen of the United States . . . Litchfield. 1 799. Pp. 1 1 0- 

 112 XII 



Olmstead, Frederick Law, and Vaux, Calvert. General plan 

 for the improvement of the Niagara reservation. Niagara Falls, N. Y. : 

 1887 XI 



One hundred tons of calcium carbide. (Eng. news, May 4, 

 1899.41:291.) 



Ontario and St. Lawrence steamboat company (The). Hand- 

 book for travellers to Niagara Falls, Montreal and Quebec, and 

 through Lake Champlain to Saratoga Springs. Buffalo : Jewett, Thomas 

 and Co. Pp. 36-49 XII 



Inset of Horseshoe Fall. (Grosvenor library, Buffalo, N. Y. 



Views of Niagara Falls. 1 697-1 87-. Mat 22.) IX 



Ontario — Hydro-electric power commission. Annual reports 

 1-5. 



Ontario-New York. Topographic map of the Niagara gorge. (U. S. 

 geol. surv., G. O. Smith, Dir. and Geol. surv. of Can., R. W. Brock, 

 Dir. 1913. 1 : 12,000.) VII 



Ontario 110,000-volt power transmission system (The). 

 (Eng. news, Mar. 18, 1909. 61 : 301.) 



[Ontario power company.] (Elec. rev., May 12, 1905. 56: 

 778.) 



Ontario power company begins operations (The). (Elec. 

 wld. & eng. July 15, 1905. 46:91.) 



Ontario power company's development at Niagara Falls. 

 (W. elec. Dec. 26, 1903. 33:481.) 



Ontario power company's plant at Niagara Falls. (Sci. Am., 

 Feb. 11, 1905. 92:126.) X 



Ontario power plant at Niagara. (Elec. wld. & eng. Mar. 18, 

 1905. 45:508.) X 



Opening of the Niagara Canadian power company's plant. 

 (Sci. Am., Feb. 4, 1905. 92:104-105.) X 



Orbigny, Alcide Dessalines D.' Voyage pittoresque dams les deux 

 Ameriques . . . Paris: chez L. Tenre. 1836. Pp. 477-479. 



1376 



