^2 On Gypsum, 



in that science, and I have no botanical vocabular}- to 

 look into for the others. Such names I know fluctuate 

 and are often different, in different districts ; if those I 

 have used should be unintelligible, I will upon knowing 

 it, try to explain them. I am with great respect, Sir, 



Your most obedient servant, 



John Taylor. 



Dr. James Mease. 



