34 
Natural “Hiltory ofits ee 
which are elegantly, difpofed one above another, as in the up. : 
per Part of the fame Figure, N°. 1. at a, When we examine 
it by the Microfcope, we find that each Branch is fubdivided 
in a twofold or dichotomous manner ; and each Divifion of 
a Branch compofed of two Rows of Cells of a femi-cylindr. 7 
cal Form, articulated together, and placed alternately Side 
by Side, their Faces or Openings looking one Way: Each — 
Cell has a fharp Point on the Top, ftanding outward} and 
a black Spot in the Middle. Upon other Specimens I ob- 
ferved {mall teftaceous Figures on. the upper Part of each 
Cell. , | oe 
Fig. 4, fhews the magnified Appearance of the fall é | 
Tubes, pafling into the unopened Cells which form the — 
Stalk ; from this arife the dichotomous Branches, with the — 
Cells open, and black Spots in them. B, fhews the te- 
{taceous Spherules on the Top of each Cell. At C, is acrol 
SeGtion of a Branch, to fhew the hollow Infide of the Cells. 
D, fhews the upright Section of 3 Cells, with the Situation 
of the black Spots. ay vfs age 
Thefe black Spots are nothing but the dead Polypes, or — 
Remains of the Animals, once inhabiting thefe Cells. Of — 
Safin Thad evident Proof in my laft Journey to the Sea-coalt, 
For after Thad examined this Coralline, with its Polyps 
alive in Sea-water (Seé E, Plate XVIII). I laid this Specie 
men afide; and, upon examining it again fome time after, 1 _ 
found the lifelefs contracted Animals exhibited the Appear 
ance above-mentioned. cn 
Thefe Polypes turning into teftaceous Bodies, opened a 
new Scene of Wonder to me. But the*Minutenels of thele 
fhelly Figures would have been pafied over, without any fur 
ther Notice, if it had not been for a Prefent I received from 
| 2) 
