( ho ') 
below ; fo that upon feeing a Tootb, one may tell 
which Side, and what Jaw it belongs to : He has obfer- 
ved e'»;ery one of the(e things in his Glojfapetrce^ which 
« pundaally anfwer in every part to the leveral ranks of 
the Teeth of liv'ing Sharks. His Cuts at the end of his 
BookjWhich are very beautiful,makethefe Arguments of 
liis, very convincing. 
He has drawn a piece of Marl, wherein a GloJJopetra^ 
a Lapitjudakus Qe)^ a piece of a Scallop- Jhell that wouki 
part into Lamella like the Sea- (hells of that kind, and 
a' rot ten peke of Bone lie all confufedly by one ano- 
ther, p 
He' produces the Cruft of an Echtniu Spatagiu lying 
in its. Bed of Marl, which within was filled with Marl, 
and incrufted with it withaur. This Shell meeting 
with an accidental prefTure, was crackt; thefe cracks 
do clearly fhew that it was an original Shell, and alfo 
the Reafon how it came to be fo crackt ; fince thereby 
k appears that the Shell yielded as far as the inclos'd 
Marl would give it leave. And whereas it has been 
Otbjecled that Echini Spat agi are very rarely feen^ and 
yet thai: great Numbers of this Species of Echini tee have 
hen found in Malta : This, to Signior Scilla is no ob- 
J^d:ion at alj, he himfelf having m lefs than an hours 
timeyijakeavtheniiupj by bundr in the Port of Mef^ 
*vr He produces an Exhinites whereon appeared the five 
i-ines from one common Centre, within which, upon 
breaking it, he found five correfpondent Celis, and tlie 
place for thei. Mouth .exa,dly agreeing to an Echinus ta^ 
ken out of the S^mio omi b^lmom m rir: 
o. H€ produces Jikewife'' part of a Jaw-bone of a Dog^ 
^fhlym^ m z Bed of Stone^ with three Teeth in ic : 
^X^s pirtly: rotten, partly found ; porous with Channels 
for the Marrow in the midft, covered without with* a 
hard offeo^ Cruft, pscuU^r to ih^- cajtilagineous kind^ 
V ' Upon . 
