THE POLYPIERS:, QI 
summit in eight elongated arms or tentacule of a_ yellow 
colour traversed by a rib of the same shade. The sides of the arms 
A POLYPE OF THE ANTIPATHES, MAGNIFIED. 
are fringed with fine pinnae, parallel to each other, of a bright 
maroon colour, and resembling the barbs of a feather. The arms 
of this zoantha are unceasingly in motion, which produces in the 
SECTION OF THE BODY OF THE POLYPE, HIGHLY MAGNIFIED. 
water small oscillating currents, which sweep the animalcules, on 
which the polypes feed, into their mouths. The slightest motion 
makes the zoophyte close its arms. 
The Antipathida, or Antipathes, is a fragile and brittle polypier. 
