Part III. Of Animal Bodies petrify d. 259 
A SIXTH, fomewhat oblong and ftriated ail round 
about. ' . 
The SERPENTS EGG. Ovum Anguinum. From the 
roundnefs, and form of Snakes Tailes pointing upward, and 
towards the middle of the Stone. This alfo is an Echinites, 
and by Ferranti Imperato called Hiftrix Marinus petrifica- 
tm. Agricola makes it a fort of Brontias. It mod refembks 
that fort of Button-Fijh, with feveral Orders of great Knobs 
or Prickle-Bafes, divided by leffer 5 defcribed in the Firft 
Part of this Catalogue. 
A STONE with the SIGNATURE of a Button-Fijh 
upon it. So that it was once a Bolus or Clay. 
The foft OVAL HELMET STONE. Given by Sig r . 
Boame. So I name it from its fimilitude to the fhell of the 
Echinus Spatagus, (a) which the Englifh call Helmet- Fiflx ^ti. 
Oval, to diftinguifti it from the Conick. Soft, as being very 
brittle, and eafily diffoluble with Acids. Several of thefe 
Stones are hgur'd by A/drovandus, (b) with the Name of (h) Mufeum 
Scolopendrites. And fome leaves after, divers others not Metalli ^ 
much unlike, with that of PentapbyUites from its liknefs in 
fome part alfo to the Cinquefoyle. 
ANOTHER of the fame kind, with four narrow Fur- 
rows, compofed of fine (hort Rays, and meeting in the 
form of a Crofs 5 to which a fifth is added, more broad. 
'Tis fomewhat hard, yet diffoluble with Spirit of 
Nitre. 
The HARD OVAL HELMET-STONE. Tis an opa~ 
cous Flint, and of a dark colour. But figurd as the 
former. 
ANOTHER, alfo flinty ,and opacous 5 but betwixt citrine 
and yellow. 
A THIRD, opacous and white. 
A FOURTH, with one half, opacous and yellow 5 the 
other, whitifti and Semiperfpicuous. 
A FIFTH, fomewhat rounder and more depreffed than 
the former 3 and may therefore more particularly be called 
Fentaphyllites. Some of thefe Ambrofinus (c) hath mifplaced ( c ) Aidrov. 
with the Aftroites. M - MetaI1 « 
The blunt CONICK HELMET-STONE. It hath, as 
it were, the Signature of the Echinus Spatagus. But nfes 
up in the form of a Cone. Of which Figure I have not 
L I 2 yet 
