CoNcLuUSION. 
. That many, if not all the different Species here defcribed, 
 geof this Kind, E think is inconteftable: But that Animals: 
: of fo fof, fo. yielding a Texture, as} all the Polypes, yet 
nown, feem to be, fhould be capable of conftructing Ha- 
ons of pat GHEE fo united, hard, and with fo little Po- 
ity as to bear an exquifite Polifh, perhaps may appear 
a fome incredible... | ines alls : efits 
But what are Oyfters, and all the other Shell-fith we are: 
acquainted with jn thefe Parts of the World ? Subftances from: 
P which one would as little expect the Solidity, and almoft 
evelafting Hardnefs of their Shells, as we fhould from ai 
IO 
tender pliant Polype the ftony Firmnefs of Red Coral: And > 
yet thofe: Shells are the Fabric of the moft foft and yielding | 
"Bodies, as much as the Lapidefcent Corallines and Corals 
g are conftructed by the Polypes. | 
Many of the Corallines feém to confift of a fingle Tube, 
containing 2 fingle Parent Animal. Every Branch emitted _ 
“fentains an Offipring of this Parent, dependent upon it, yet 
‘capable of producing ‘ts like in the Emiflion of a new | 
F Branch 3. and fo on, as far as the Law prefcribed to each. 
i allows. San) ii ic 
Others confit of many fuch Tubes united, rifing up to- 
lon 
sae 
Progenitors; whole Exuvie become their Bafis and Sup- 
ct port, as theirs muft, in their Turn, be the. Subffratum. of ai 
ling Generation, © «ong ent 
‘covers, at leaft the Vektiges: of the Cavities comprefied, as. 18 
 thefe Hollows are fo exactly filled up; as to leave no ‘Traces 
_ eftubular Cavities, except on the Outfides only 5. and ner 
. a er, and Side by Side incircling the. deferted. ‘fubes*’of 
| Jn fome, thefe "Pubes remain: emptyy: eae a) Seétion dit 
many of the Keratophyta: Whil in fome of the ftony Corals, _ 
