2 3© September ly^^g. 



leaves between the cracks of the llme-flatc, 

 Its colour is a fr-owy white. I have found 

 it in feveral parts of Ca?2ada, in the fame 

 black lirne-ftone. 



Pierre a Calumet. This is the French 

 name of a frcjie difpofed in ilrata between 

 the lime (late, and of which they make al- 

 moft all the tobacco-pipe heads in thecoun- 

 iry. The thicknefs of the ilrata is diffe- 

 rent. 1 have feen pieces near fifteen inches 

 thicks but they are commonly between 

 four and ii'^Q inches thi^k. When the 

 ftone is long expofed to the open air or heat 

 of the fun, it gets a yellow colour j but in 

 the infide it is grey. It is a lime-ftone of 

 fuch a compadnefs, that its particles are 

 not diftingoifhable by the naked eye. It is 

 pretty foft, and will bear cutting with a 

 knife. From this quality, the people like- 

 %^ife judge of the goodnefs of the iPione for 

 tobacco-pipe heads ; for the hard pieces of 

 it are not fo fit for ufe as the fofter ones. I 

 have feen fome of thefe flones fhivering in- 

 to thin leaves on the outfide where they were 

 expofed to the fun. All the tobacco-pipe 

 heac's, which the common people in Canada 

 make ufe of, are made of this flone, and 

 are ornamented in different ways. A great 

 part of the gentry likcwife make u(e of 

 them, efpecially when they are on a journey. 



The 



