0fQXF0%T>^SHI%E. pi 



more than a courfe rubble-ftone, yet is thinly cafed ove ? r with a 

 fine lamia atcd fubftance (the plates lying obliquely) much like 

 Lapis Judaku6 : In form they are flat* depreiled upon the bafis* 

 in colour generally yellow, their rays made of a double rank of 

 traafverfe lines, with void fpaces between the ranks, vifible enough 

 on the top of the ftone Fig. 9. but not fo diftinguiftiable on 

 the bottom Fig. 1 o. the whole body of the ftone, as well as the 

 fpaces included within the rays, being elfewhere filled with Aa- 

 aulets, much more curioufly wrought by Nature, than by the tool 

 of the Graver. 



32. The ceaterbf thefe rays, by Pl/ay called Modiolus, by A* 

 riflotle, Vmbilicws s , is never placed on the top of the ftone, but 

 always inclining to one fide, as that at the bottom do's to the o- 

 ther ; the Axis lying obliquely to the Hodzpa of the ftone. Which 

 gave occafion to a Learned Society of Virtuofi, that during the 

 late Ufufpation lived obfcurely at Taagley, and had then time to 

 think of io mean a fubjeft, by confent to term it the Polar-fioae; 

 having ingenioUfly found out, by clapping two of them together, 

 asfuppofe the Fig. 9, and 1 o. that they made up a Globe, with 

 Meridiaas defcending to the Hoi izoa, and the Pole elevated, very 

 nearly correfponding to the real elevatioa of the Pole of the place 

 where the ftoties are found. 



33. The two next, reprefented Fig. 11,12. like the former, 

 being flat and deprefTed on their bafis, having alfo fome refcm- 

 blance of a ftar of 5 points, were therefore thought fit to be 

 placed next. Whereof the 1 1 indeed is a beautiful ftone, found 

 fomwhereinthe Chiltern about Afioa Rowaat, whofe inner fub- 

 ftance, though of black. Fliat, to outward view is of a cinereous 

 colour, and adorned by Nature with fomwhat more than ordi- 

 nary. For befide the Modiolus, and the iffuing rays made of dou- 

 ble ranks of poiats, with traafverfe liaes interceding them, it is 

 alfo fet with other poiats furrounded with double Aanulets, on 

 each fide thtjloae with a fingle, and from the terminations of the 

 rays with double ranks. The poiats thus furrounded, are neither 

 deeply excavated, nor any thing prominent above thtfuperficies of 

 the ftone ; but the rays as they are but fhort (not extending above 

 halfway to the rim of the ftoae) fo they are deeply hollowed 

 down within it, wherein it differs, 



' Lit. it Mundo adAlexandrum. 



M 2 34. From 



