on certain stony and metalline Substances , &c, tyg 
in a whitish gritty substance, interspersed with bright shining 
spiculze, of a metallic or pyritical nature. The spherical bodies 
were much harder than the rest of the stone : the white gritty 
part readily crumbled, on being rubbed with a hard body ; and, 
on being broken, a quantity of it attached itself to the magnet, 
but more particularly the outside coat or crust, which appeared 
almost wholly attractable by it. 
As two of the more perfect stones which I had obtained, as 
well as parts of some others, have been examined by several 
gentlemen well versed in mineralogy and chemistry, I shall 
not attempt any further description of their constituent parts ; 
nor shall I offer any conjecture respecting the formation of such 
singular productions, or even record those which I have heard 
of others, but leave the world to draw their own inferences from 
the facts above related. I shall only observe, that it is well 
known there are no volcanos on the continent of India ; and, 
as far as I can learq, no stones have been met with in the 
earth, in that part of the world, which bear the smallest resem- 
blance to those above described. 
It remains for me to speak of a substance mentioned in the 
Lithophylacium Bornianum , Parti, page 125, described thus: 
Ferrum retractorium, granulis nitentibus, matrice virescenti 
immixtis, ( Ferrum virens Linn.) cujus fragmenta, ab unius 
“ ad vigenti usque librarum pondus, cortice nigro scoriaceo 
* c circumdata, ad Plann, prope Tabor, circuli Bechinensis Bohe~ 
iC mice, passim reperiuntur.” 
The iron thus described, is moreover made remarkable by a 
A a 2 
