216 THE OCEAN WORLD. 
fixes itself upon the rocks on the sea-shore, and covers itself with 
sand. Its trunk, of cylindrical form, is of a flesh-colour, with vertical 
lines, having red points. The interior tentacles form two simple 
elongated rows; the exterior tentacles are spatulate and lobed, not 
very unlike the leaves of the oak. 
nit 
\\ Ag 
Fig. 75.—Phyllactis preetexta (Dana), natural size. 
The sub-family Thalassianthine, is distinguished from the pre- 
ceding by having all its tentacula short, pinnate, and branching, or 
papilliferous. One species only is known, Zhalassianthus aster, of a 
slate colour, which inhabits the Red Sea. 
The sub-family Minyadine seem to represent among the 
Zoantharia the Pennatula among the Alcyonaria. In the case of 
these animals, the base of the body, in place of extending itself in a 
