§2 On Gypsum. 
in that science, and I have no botanical vocabulary 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, 
Joun Taytor. 
Dr. James MEASE. 
