On the Falls of Niagara. 6 1 



IX. Additional Observations on the Falls of Niagara, 

 and particularly on their (supposed) original posi- 

 tion. In a letter to the Editor, from Mr. Felix 

 Robertson (of the State of TenesseeJ , Student of 

 Medicine in the University of Pennsylvania. 



Sir, 



AGREEABLY to my promise, I here sub- 

 ject to your inspection, some of my reasons for dis- 

 senting from the gentleman (respecting the original 

 seat of the Falls of Niagara), from whose Journal you 

 extracted the very striking and animated description 

 of those Falls, published in the First Part of your 

 Medical and Physical Journal*. 



Were it immediately connected with my present 

 purpose, I might also observe, that I think the gen- 

 tleman, in his ideas of the current of the river, above 

 the falls, has been somewhat mistaken. This cur- 

 rent, I should have said, gradually decreased as the 

 river leaves Lake-Erie, for several miles, at the same 

 time that it gradually increases in breadth, becoming 

 from three-fourths of a mile to two miles in breadth. 

 His authority, however, is no doubt as good as mine; 

 and, at any rate, it is a circumstance of very little 

 consequence. 



The author of the paper, in your Journal, enters 

 upon the question in view, by observing, that he 



■ Section First. v\rliclc xiii. 



