2 pale 
78 
small Treatise * intended to accompany the 
Lessons on Mineralogy. 
ee ees eee 
* The method of detecting whether gold is adulterated is 
parucularly explained. The book will be found useful to those 
who visit Africa, South America, Chili, &c. 
FINIS. 
erate 
Ww M+ Dowall, Printer, Pemberton R. My 
Gough. Syuare 
