Medical Topography, ^c. 09 



XV. Sketch of the Medical Topography of the Mili- 

 tary Tract of the State of New-York. In a Letter 

 from Dr. John H. Frisbre, ofCamillus, to David 

 Ho SACK, M. D., of New-York. Cojnmunicated to 

 the Editor, through the hands of Dr. William 

 CuRRiE, of Philadelphia, by Dr. Hosack. 



Sir, 



YOUR letter of the 10th of September was re- 

 ceived on the 4th of October. Professional and other 

 business, of the first necessity, prevented me from an- 

 swering it until now. I shall comply with your request, 

 with the utmost cheerfulness. 



Query 1st. " How long have you practised physic in 

 the country where you now reside?" 



Query 2d. " What are the general features of the 

 country in which you practise?" 



Answer. I became a resident of this place in May, 

 1797. For the first two years, my practice was pretty 

 much confined to the limits of this town. Since that 

 period, my business, particularly in surgery, has been 

 extending into the neighbouring towns, so that to des- 

 cribe the face of the country in which I practise will be 

 to describe the face of the whole of the Military Tract. 



This country, with a few exceptions, may be called 

 level. There are, indeed, in it some hills ; but few, if 

 any, of them exceed three hundred feet in height from 



