286 HISTORY OF BRITISH ZOOPHYTES. 
Genus VIII. HUCRATEA, Lamouroux. 
Gen. Char. ‘ Polypidom confervoid, jointed, subcalcareous ; 
the branches consisting of a single row of bent cells, the orifices 
of which are on one aspect, oblique, subterminal or lateral.”’ 
1. Evoratea cHExata, Hillis. (Plate XV. fig. 53.) 
Hab. Brighton, Mr. W. W. Saunders; Hastings, Mr. 
Tumanowicz; Devonshire, Rev. T. Hincks; Scarborough, 
Mr. Bean; Cork Harbour, J. V. Thompson; Ayrshire, D. L. 
Ellis gives the followmg description of it:—‘“ This 
beautiful corallme is one of the smallest we meet with. It 
rises from ¢uwbuli, growing upon Fuci; and passes from 
thence into sickle-shaped branches, consisting of simple 
rows of cells, looking, when magnified, like bulls’ horns 
inverted, each one arising out of the top of the other. The 
upper branches take their rise from the fore part of the en- 
trance of a cell, where we may observe a stiff short hair, 
which seems to be the beginning of a branch. The open- 
ing of each cell, which is in the front of its upper part, is 
surrounded by a thin circular rim; and the substance of 
the cells appears to consist of fine transparent shell or coral- 
like substance.” The cells taken separately are not unlike 
a slipper, though the mouth would require to be a little 
