168 HISTORY OF BRITISH ZOOPHYTES. 
Mr. Alder; Cornwall, Devon, and Norfolk, Mr. Peach; 
Hastings, Mr. Tumanowicz ; Dublin Bay, Mr. Hassall; Bel- 
fast Bay, Mr. W. Thompson; Magilligan, Mr. Hyndman; 
off the Cumbraes, Clyde, Prof. E. Forbes. 
“This curious coralline appears through the microscope 
to be of the most singular structure of any yet described. 
It consists of sundry branches, and every branch is com- 
posed of many stout, united, small tubes, which at certain 
equal distances send off small capillary screw-like stalks, 
each of which supports a cup of a bell-shaped figure, curi- 
ously indented round the brim. These are placed in such 
a manner as to correspond exactly in point of situation with 
the others, and to give the whole very much the appearance 
of the plant called horse-tail, or Hywisetum; the capillary 
stalks and their cups being all disposed in whorls or like 
branches for candles.” (H/is.) The pedicles are ringed at 
top and bottom. ‘The vesicles which arise from the stem 
are smooth and short-stalked. The first specimens we had 
of this were from Mr. Tudor, Bootle. 
7. CaMpanuLaria DuMosA, Pallas. (Plate XI. fig. 35.) 
Hab. On rocks and corallines, in deep water. 
There are two varieties of this coralline, of both of which 
we have specimens. ‘The larger is three or four inches in 
