274 HISTORY OF BRITISH ZOOPHYTES. 



spines. It is not unlike a little round pie. (See Dr. 

 Johnston's plate xxxiii. fig. 8, 9.) 



*"* Polypidom lobed ; base unmargined. 



5. TUBULIPORA LOBULATA, A. H. Hoxsatt. 

 Hab. Dublin Bay, Hassall. 



Dr. Johnston and Mr. W. Thompson are disposed to 

 consider this as a very aged variety of Tubulipora serpens. 



6. TUBULIPORA PHALANGEA, W. 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, W. T/iompson. (Plate XV. 

 fig. 50.) 



Hab. On Laminaria on the Irish coast. Salcombe Bay, 

 Eev. T. Hiucks, Exeter. 



We have found it, on the Scottish coast, on the inside of 



