of the ENcLisH Corats. 
~ Coaft of Cornwall, growing to Rocks and Shells. The Sur- 
face of this Coral, upon a nice Examination, appears full of 
{mall Pores, which almoft difappear, if they have been kept 
any Length of Time from the Sea. A fmall Piece broken 
of, and placed in the Microfcope, exhibits fideways a View 
of feveral Stages of Cells, divided from one another, as at 
Fig, D. : 
"Ifa Piece is put into Vinegar, the chalky Part foon dif 
folves, and the Partitions and Cells become very vifible. 
The membranous Part, remaining unaffected by the Acid, 
makes it probable that it is of animal Conftruction. 
Fiz, d, N°. 2, reprefents a Piece of this Coral, adhering 
toa Limpet’s Shell. 
17 
We often mect with Specimens of the green Conferva, or — 
- $ilk-weed, that grows on the Rocks, with its flender Branches 
furrounded by thin Incruftations of this Coral ; and fome of 
the broad thin Fucus’s, with their Surfaces almoft covered 
with it, | 3 
CHAP. 
