FLUSTRA PAPYRACEA. 119 



rather narrow, expanded at the summit, truncate or 

 slightly rounded. Zooecia oblong, with a single short 

 spine at each side above. Ocecia small, galeriform, 

 somewhat produced. Avicularia none (?). 

 Height of tufts about li inch. 



Habitat. On stones, shells, &c., generally in very 

 moderate depths. 



Localities. South Devon, not uncommon ; Salcombe 

 Bay ; Plymouth ; Torbay ; Ilfracombe, 8-10 fathoms 

 (T. H.) : Cornwall, very rare, on shell from deep water 

 8 leagues south of the Deadman (Couch) : Tenby (F. 

 Walker) : Hastings (Ellis) : Brighton (Lister) : east and 

 south of Ireland (W. T. & Allman). 



Geographical Distribution. Roscoff, very rare 

 (Joliet) : Charente-Inferieure, pretty common (Beltre- 

 mieux) : west coast of France (Fischer) ^. 



This pretty species is distinguished by its small size, its 

 bushy habit of growth, and the delicacy of its texture. 

 The zoarium has a varnished and glistening appearance ; 

 the segments into w^hich the fronds divide are short and 

 subtruncate. Avicularia seem to be altogether wanting. 

 It is limited in its range, and has probably not occurred 

 in the north. 



The ooecium is placed very far back, and projects into 

 the cell above it, being completely roofed over by its 

 front wall. The arch across the orifice is slightly raised ; 

 but the rest of the ovicell is completely immersed, and 



* Kirclienpauer records tbis form from Ilougesund, and Liltkeu from 

 Greenland ; but tbese localities are extremely doubtful. Kircbenpauer's 

 species is probably not identical witb our F. 'papyracea ; for be remarks tbat 

 it bad not its tbin papyraceous cbaracter. And as we bave no otber record 

 of tbe occurrence of tbe present species in tbe nortb, and especially as it 

 does not appear amongst tbe 'Valorous' dredgiugs, or tbose of tlie Nortb- 

 German Polar Expedition, I venture to tbink tbat Liitken must be in ei-ror 

 in assigning it to Greenland. 



