

pyritologia: 



O R, A 



HISTORY 



O F T H E 



P Y R I T E S. 



CHAP. I. 



The Subject propounded, with the Manrxec 

 of ' reating it, &c. 



i^^jS^^ T length appears this promifed hifto- 

 % r y °f the pyrites. And confidering 



*£ A ^ the length of time I have been em- 

 J ^xv£.S P^°y e d in it, many of my readers 

 ^ might, perhaps, expect a larger work 

 on the fubjeft, and to have had it fooner. To 

 fuch I offer the following reafons by way of 

 apology. 



i. A multiplicity of avocations : my ftation 

 and circumftances in life being fuch, that many 

 times for half a year together I have not been 

 able to bellow fo much as a fingle hour upon 



B the 



