36 UNITED STATES* 



all the shore about it exhibits stones of rounded gra- 

 nite, brought down, no doubt, from the adjacent 

 heights. The summit of mount Bel-oeil is of gra- 

 nite, as is the chain of the White mountains in New 

 Hampshire, to which it may be said to belong. 

 The branches in New England are likewise of gra* 

 nite, except the environs of Middleton and Worces- 

 ter, which are of sandstone. I am informed, that 

 the west branch of the Green mountains, and the 

 greater part of lake Champlain, which it skirts, are 

 calcareous, though the rocks of Ticonderoga are of 

 sandstone ; and the east branch, which traverses 

 the state of Vermont, is of granite. It appears then, 

 that the granite traverses lake George,* or theisth^ 

 mus that separates it from Hudson's river, to as< 

 cend to the sources of tjiis and Black river : thence 

 it proceeds as far as the St. Lawrence, at Thousand 

 Isles and Kingston, where it is always found of a 

 reddish hue, formed in large crystals, and surcharg- 

 ed with feldt-spar. ,Mr. Alexander Mackenzie, 

 in his Travels lately published, observes, that a dull 

 grey granite is found throughout all the country, 

 froni lake Winnipeg to Hudsoxi's bay; and that he 

 has even been informed, it extends in like manner 

 from Hudson's bay to the coast of Labrador. t 



* The mountains on the side of the^ake and those about Ticonde- 

 roga, are composed of sandstone. And the whole valley where Forr 

 George is situated, some of the islands in the lake, and the region 

 around the great falls of the Hudson, for several miles, are underlaid 

 >vith limestone. Med. Repos. Hexade 2d, vol. ii, p. 190. 



t This must rest on very slight authority, by reason of the dis* 

 trict mentioned having b«eiv as yet unexplored by a natufalistk 



