BRITISH ZOOrHYTES. 299 



Hab.: Cornwall {R. Q. C), Torbay {T. II.), Wick 

 {C. W. P.). 



~ Calcareous, about ^ inch in heiglit. Fungiform, 

 spreading in irregular lobes. The cells are irregularly 

 disposed and distant from each other. They open 

 chiefly at the circumference of the lobes. The orifice 

 is circular, with a slightly thickened margin. The 

 erect portions of the zoarium are " the extremities of 

 a creeping linear base." 



12. S. PAsciccLATA, HincJcs. 



Founded on a single example obtained by Hyndman 

 off the coast of Antrim, probably from deep water. 

 (SeeHincks, B.M. P., 441.) 



Genus II. Tubulipora, LamarcJc. 



Zoarium adnate or decumbent, or suberect, forming 

 a variously shaped expansion, either entire or lobate, 

 or branched. Zooecia tubular, partially free and as- 

 cending, arranged in divergent series. — T. H. 



1. T. LOBULATA, HaSSoll. 



Hab. : Dublin Bay (Hassall), Isle of Man, Torbay 

 {T.E.), Hastings {Miss Jelly). 



Forms dull purple incrustations on shells. The 

 zoarium is often radially branched, the branches being 

 short and lobed. The zooecia are short, punctate, and 

 tubular. The orifice of each cell is slightly raised. 

 Some observers have classed this as a form of Idmonea 

 serpens, to be hereafter described. 



2. T. FLABELLARis, Fahricius. 



Tubipora flabellaris {Fair.), T. verrucaria {M.-Edw., 

 Heller, Hassall), T. phalangea {R. Q. C, G. J., T. II., 

 D. L., Busk), Phalangella phalangea {Gray), Diastopora 

 plumula {Reuss). 



