C m ) 
that after the Membranes which clofed the Mouths of 
thtEchini were worn, thro' the Chalk, and other little 
Bodies mingled with it, got in and filled the Cavity, now 
void by the wearing away of the Body of the Shell-Fifh 
it felf. . 
III. He examined the petrified Vertebres of the 
Spines of Fiflies, which he found exaftly to correfpond 
in their (everal Articulations both into each other, and 
into the Ribs which ifliie from them, with real Verte- 
bres of Fiflies found at Sea. 
IV. U&tJL^mmsibm^teflaceous Bodys^ that he found 
in Calairia, which exaftly anfwer to ihQ Dentales of 
Aldrovandus^ and according to him, are found only in 
hollow Stones at the bottom of the Sea, unlefi they are 
at any time thrown upon the Shore by great Waves. 
V^ He produces the Claw of a Sea-Crab found in 
the Hills near Mefftna^ with a piece of a Scallop-Shell 
clutch'd within it. 
VI. AlfoaStone in which pieces of Coral, and all 
manner of Shells were diforderly petrified, as chance 
had laid them, and in (bme the Animal it felf petrified 
within, fo that one might difcern the fmall interiour 
Membranes proper to each Shell Others in the fame 
Bed, were full of the Matter in which they lay : others 
half fiiU of a pellucid i^/i?^/' like Cryftalj others again 
had a ftdiment of turbid Matter ; wl which Spars and 
Sediments, let the pofition of the Shell, which contain- 
ed them, have been what it would, gravitated at firft 
exactly towards the lowed part of the Shell, as it was 
there fituated i which plainly Ihews that they once 
were fluid, and carried thither by their own weight. 
V I L He produces pieces of petrified Coral, which 
tho' they had loft their Red Colour on the outfide, yet 
had a reddifli tinfture within, as all that Species of 
Coral has J from whence he concludes, ( i,) That 
Time had begun to deftroy them, (x.) That the. 
Acd'.- 
