Part III. And Stones lity tbem. 
Afoft Stone of a blewifli grey, with part of the fielem- 
nites growing to it on one fide, and a Petlinites on the 
other. 
A petrify 'd COCLE immerfed in a Flint. 
The SMOOTH SPONDYLITES , with an Oblique 
Navle. 
ANOTHER, with an Oblique Navle, all over ftriated. 
A THIRD of the fame, furrow'd. 
A FOURTH, alfo furrow'd, and with the Navle lharper 
and more produced. So hard, as fcarcely diffoluble with 
any Ac id. 
A FIFTH, with a (trait Navle, and numerous Joy nts. 
The OXES HEART. Bucardia. So calFd from its 
figure. Defcribed and figur d by Ferranti Imperato, and 
others, and out of them by Wormiws. 'Tis divided, by a 
ridge along the middle, into two halfs. Each of them 
having a prominent Knob, a little winding , fomewhat 
like a Navle : fo that it may not be improperly called Con- 
chites umbilicatus. Figur a by Bejler with the name of 
Hyfterapetra. 
A SMOOTH CONCHITES, with an Oblique Navle, 
unequal fides, fomewhat round, and fill'd with a Limy fub- 
ftance. 
Part of one, filled with a fort of granulated Spar. 
A fmooth and round one, undulated. 
ANOTHER, as hard as a Pebble 5 of ayellowifh and 
pellucid red. 
Another hard one, yet diffoluble with Acids. 
Another/with the Margins of the two halfs furrow'd and 
indented one into the other. 
A LONG CONCHITES, of a black colour. 
Another, undulated, and white 3 filled with a black and 
yellow fubftance, which with Acids maketh a ftrong Efer- 
vefcence. 
ANOTHER, compreffed, and the end oppofite to the 
Bafe, pointed, like the common form of a Heart : and may 
therefore be called Cardites. 'Tis of a Limy fubftance dif- 
foluble with Acids. 
A Broad equilateral CONCHITES, radiated. 
Another, undulated, and radiated. 
A Third, undulated, radiated, and circinated. 
A 
