274 HISTORY OF BRITISH ZOOPHYTES. 
spines. It is not unlike a little round pie. (See Dr. 
Johnston’s plate xxxui. fig. 8, 9.) 
**%* Polypidom lobed ; base unmargined. 
5. Tusutreora LopuLATa, A. H. Hassall. 
Hab. Dublin Bay, Hassall. 
Dr. Johnston and Mr. W. Thompson are disposed to 
consider this as a very aged variety of Zubulipora serpens. 
6. TuBuLIporA PHALANGEA, WV. Thompson. 
Hab. On rocks, shells, and seaweeds. Rev. T. Hincks, 
Salcombe, on shells. 
Mr. Peach finds it very fine in the bulb of Laminaria 
bulbosa. We have found it fine in the inside of old bivalve 
shells. It is about four lines in diameter, in general; but 
Mr. Peach has seen it nearly an inch. It is somewhat like 
a pentapetalous flower, being slightly lobed. As the tubes 
are arranged in perpendicular rows, Mr. Couch says it pre- 
sents the appearance of a number of Pan’s pipes. It is of 
a pale purple colour; thin and glossy. 
7. TUBULIPORA FLABELLARIS, VW. Thompson. (Plate XV. 
fig. 50.) 
Hab. On Laminaria on the Irish-coast. Salcombe Bay, 
Rey. T. Hincks, Exeter. 
We have found it, on the Scottish coast, on the inside of 
