o. 



ADVERTISEMENT. 



THESE Two Volumes are compofed from the XlVth 

 and XVth of my Outlines of the Globe. I had 

 many felicitations from private friends, and a few wiflies 

 from perfons unknown delivered in the public prints, to 

 commit to the prefs a part, in the form in which the poft- 

 humous volumes might hereafter make their appearance. I 

 might have pleaded the imprudence of the attempt, at my 

 time of life, of beginning fo arduous an imdertaking in my 

 71ft year. I happily, till very lately, had fcarcely any ad- 

 monition of the advanced feafon. I plunged into the fea of 

 troubles, and with my papers in one hand, made my way 

 through the waves with the other, and brought them fecure 

 to land. 1 his, alas ! is fenile boaPcing. I mufi: fubmit to the 

 judgment of the public, and learn from thence- how far I 

 am to be cenfured for fo grievous an offence againft: the 

 maxim of Jlrifiotle^ who fixes the decline of human abili- 

 ties to the 49th year. I ought to fliudder when 1 connder 

 Vol. I. a the 



