298 
Of Regular Stones. Part III 
The FLAT round EAGLE Stone. Of a brown colour, 
and hgur'd like a Troch. 
The AMYGDALINE EAGLE Stone. Shaped like an 
Almond. Of a glonj brown, like half bright Iron. It con- 
tains a fort of Bole, of the colour of Fullers-Earth. 
The Eagle-Stone which containeth no Stone, but Earth, 
is called GEODES. GEJET1TES were more exprefs. 
ANOTHER, of the fame figure and bignefs 3 but fome- 
what flatter. 
A Rough and hard EAGLE Stone, the Concave furface 
whereof is daubed with a foft white wafh, a kind ofGypfum, 
dilfoluble with Spirit of Nitre. 
ANOTHER Hard one, immerfed in Iron Ore. All thefe 
are Naked. Thofe that follow have a foft Coat. 
A COATED EAGLE Stone : A hollow Flint $ one way, 
near two inches in Diametre, and almoft round. Cover d 
with a kind of white Earth, about * th of an inch thick : yet 
not Chalky, but effete, making no Effervefcence with Acids. 
Containing feveral fparks or grains of Flint, clufter d in a 
round Lump, together with fome of the like Earth , as 
without. 
A little Flinty LUMP taken out of another of the fame 
Species. 
TWO more EAGLE Stones, of the fame Specif of a 
midling fize, and almoft as round as a Ball. One of them as 
big as a good big Walnut. 
A FOURTH, bigger than a Musket-Bullet, and as round. 
Cover d, as the three former, with a white earthy Coat 3 
and containing the like fubftance in the centre. The main 
Body of all thefe, is either true Flint, or of a hard fub- 
ftance approaching to it. All thefe are by fome called 
Males. 
The FOEMALE EAGLE Stone. Tis round, and in 
a manner Oval. As big as a good large Apple. A(h- 
colour d without, and white within. Of a foft friable and 
chalky fubftance, inftantly diffoluble with Acids. From the 
outfide, to the Concave, * an inch thick. Containeth a foft 
white chalky Stone, filling up its whole hollow, and an- 
fwering to it, as the Telk doth to the White of an Egg. This 
Stone is by Pliny called CAL1MVS. 
ANOTHER, fomewhat harder. Tis alfo round, and 
bigger 
