The Statural Hiftory 
ufethey may probably have, which I alfo remit topofterity to 
find. 
5 2. They have an earth about Teynton of a yellowiOi colour, 
adorned all over with glittering (parks, which unlefs they are 
particles of the fpecular (ione^ or Englifti Talc^ with the former 
muft be reckoned amongft the unknown earths. 
53. To which add another kind of terra lafidofa found about 
J^hame^ at the bottom of their Quarries, it is much of the colour 
of the Turkifi Rufma, hollow and fpungy, and full of (liining 
grains hke a fort of Pyrites^ but of what nature or ufe I can no 
where find. Nor of another fort of Clay found at Hampton-Gay^ 
holding a grit of a golden colour, much of the nature of Pyri- 
tes aureu6^ only 'tis not found like that in great pieces, which by 
our modern Naturalilis are called Brafs lumps, 
54. And thus I had concluded the Chapter of Earths^ but that 
I think it belongs to this place to mention alfo fuch accidents as 
attend them ; and therefore muft not be altogether filentof an 
eminent Projfe^ about a mile from Teynton^ where from a Hill 
North-eajifrom thence, ten Mercat towns in a clear day may plain- 
ly be feen. Nor of a fmall Earth-quake-, that on the nineteenth 
of February^ 1665. was obferved at divers places near Oxford ; as 
ztBlechington^ Stanton St. Johns^ is-c. ButitOiall fuffice juft to 
mention it, Relations (with the concomitants') of it, being al- 
ready publifhed : ^ one by the Honorable Robert Boyle Efq; and 
the other by the Learned Dt.John WalUs, 
» FhilofTranfaSi.l^um.lo^ll. 
C HAP. 
