ACTINIA. 249 
white, the rest of the same colour as the stem. The feelers 
are of a whitish colour, varied at the upper part with 
several cross lines and brown spots of an irregular figure, 
like the backs of some snakes.” The warts with which 
the Actimie of this section are marked, are all perforated, 
so that water contained in the body is often ejected through 
them. ‘They form also, according to Mr. Cocks, the points 
of adhesion for all the stones, shell, and sand which cover 
the body, and are therefore suctorial. 
15. Actinta MONILE, J. Templeton. 
Hab. Belfast Lough, rare; Templeton. 
Body cylindrical, greenish, marked with about sixteen 
lines of bead-like tubercles ; when contracted, scarcely larger 
than a pea. 
16. ACTINIA CORIACEA. 
Hab. Between tide-marks, buried in crevices of rocks, 
and in sand, common. 
It is about two inches in diameter at the base, variously 
coloured, often reddish, blotched with green, covered with 
many pale perforated warts: the tentacula are numerous, in 
three or four series. It attaches itself to sand-covered 
rocks, and is often pretty much buried in the sand, so as to 
be partly concealed when in a contracted state. Its warts 
