70 Medical Topography of the Military Tract 



the surface of our lakes, and streams of water. These 

 hills rise by an easy and almost imperceptible ascent, so 

 that I know of none, in this tract, that will not admit of 

 cultivation by the plough. 



The country may be divided into three general sec- 

 tions, viz. 



First, the elevated lands of Pompey, Fabius, Homer, 

 Locke, and Dryden. 



Secondly, the country south of these towns, in which 

 the streams of water descend to the south, and fall into 

 the Susquehanna. This part of our country may be said 

 to be healthy : for but few cases of fever occur in it, and 

 they are in the mildest form of intermittents. 



The third general division, comprehending the Lakes, 

 their Inlets, and Outlets, is that part of our country 

 which is the most subject to fe^'ers, and with which I 

 am the most acquainted. This division, however, must 

 be subdivided into the Calcareous country and the Allu- 

 vial. 



The limestone extends from the eastern part of the 

 military' lands to their western boundary. It is from ten 

 to twelve miles in width. It can be easily traced on its 

 north line, through the towns of Manlius, Onondago, a 

 small part of the town of Camillus, through the town of 

 Aurclius, to the Cayuga-Lake. Its southern bound- 

 aries are not so easily defined. The limestone is, in 

 general, found covered with a bed of clay, from two to 



