CCELENTERA TES. 
5 TO 
cling polyps separate from one another completely, forming so many distinct 
individual polyps. 
In the brain-corals, or Meandrinct, wo have animals budding, but not com- 
A BRAIN-CORAL. 
A, Stock with the soft-parts ; B, Skeleton. (Nat. size.) 
pletely separating. No hard wall grows between the bud and its parent, although 
such separate the polyps less closely related. We thus get a system of valleys 
THREE MOUTHS, WITH TEN¬ 
TACLES AND DIVIDING 
WALLS OF BRAIN-CORAL. 
with rows of mouths, 
belonging to the 
polyps, which have 
budded off from one 
another. The valleys 
are bounded on each 
side by the hard 
walls separating 
them from similar 
valleys containing 
similar series of 
polyps. The three 
illustrations will en¬ 
able the reader to 
understand this brief 
description. 
a horny coral, Antipathes arbvrecc (nat. size). 
Horny Corals. 
We have hitherto described 
secreting solid, stony skeletons; 
skeletonless forms, and forms 
the Antipatharia have horny 
