258 NATURAL HISTORY OP 



The cells are arranged ia rows. They are narrow, 

 with a circular orifice terminating a long tubular neck. 

 There is a large tubular pore a little distance below 

 the orifice. The cells are dotted with minute star- 

 shaped pores. 



Genus II. Celleporella, Gray. 

 Zooecia suberect, anterior extremity tubular and free, 

 with a terminal circular orifice. No special pores. 

 Zoarium incrusting. — T. H. 



1. C. lepraloides, Norman. 



2. C. PTGMCEA, Norman. 



These species are very minute, and were both found 

 in very deep water at Shetland by the Rev. A. M. 

 Norman, who described the former in the Q. J. M. S. 

 (N.S.), viii., 222, and the latter in the Report of the 

 Brit. Ass., 1868, p. 308. 



Genus III. Anarthropora, Smitt. {avdp6po<i, 

 unjointed.) 



Zocecia with the oral extremity slightly produced 

 and free, subtubular ; orifice terminal, semicircular ; 

 an avicularian pore on the elevated portion of the cell 

 in front, special pore wanting. Zoarium (in the British 

 species) adnate. — T. H. 



1. A. MONODOX, Bush. 



Lepralia monodox {Busk). 



Hab. : Shetland {A. M. N.), from deep water. 



In the young state this species is very beautiful, 

 being richly ornamented with stellate pores or openings, 

 which become lost in reticulations in the older cells. 

 The cells are ovate, with a tubular neck. The Zoo- 

 phyte forms branching colonies on stones, &c'., at a 

 depth of 80—300 fathoms. 



