CELLEPORELLA PYGM^EA. 415 



Celleporella fygmma, Norman. 



Celleporella PYGMiEA, Normati, Shetland Polyzoa, Eep. Brit. Assoc. 1808, 

 308. 



Zooecia very small, sliort-ovate, decumbent below, sub- 

 erect above, irregularly placed ; surface smooth; orifice 

 circular ; peristome mucli raised, tubular, unattached 

 all round. Ocecia rounded, depressed in front, imper- 

 forate. 



Colonies forming small round patches, seldom more than 

 y\j- inch in diameter. 



Habitat. On stones from very deep water. 



Locality. Shetland, 80-170 fathoms, not uncommon 

 (A. M. N.). 



Geographical Distribution. Bergen (A. M. N.). 



A minute and inconspicuous form, with few salient 

 characters. The lower portion of the cell is short and 

 subrotund ; above it is produced into a rather tall cylin- 

 drical neck, which is suberect. The primary aperture is 

 almost perfectly circular. The cells are distinct and 

 somewhat ventricose below; and the surface is smooth and 

 pearly white. The tubular peristome rises in front of the 

 ovicell. 



Fig. 20. 



Colony of Gellepora. 



