83 



and filiform near the tips. It is marked by a number of grooves wliicli run up for 

 a short distance, and also by a number of small protuberances. 



The stem is oval in section with a groove on the two flattened surfaces, 

 faintly marked in two of the specimens. 



The verrucse occur in a single row on each side of the stem, those of one row 

 alternating with those of the other. They are low and truncated (0-45 mm. in 

 height), laterally compressed, with spreading bases. The diameter is 1-4 mm. at 

 the base, 0"65 mm. at the apex. 



The coenenchyma is moderately thick, and contains spiny spindles, double 

 clubs, and irregular stars with an X-shaped marking. The following measurements 

 were taken of length and breadth in millimetres : 



1. Spiny spindles, 0-1 9x0-07 ; 0-18x0-065; 0-15x0-04; O'lOxO-OS. 



2. Double clubs, 0-15 X 0-1 ; 0-14x0-08; 0-13x0-08. 



3. Irregular stars, O"!! xO'OS ; O'l xO-07 ; O'l xO-065. 



In the double clubs there are several grades, some with a fairly lono- bare 

 middle part and few whorls of warts, others with a very short median bare jjart 

 and many whorls of warts. 



This species difi"ers from Scirpearella moniliforme in the number of rows of 

 verruca}, in not having a deeply grooved axis, in the size of the polyps, andiu the 

 spicules. 



Locality : Bay of Bengal ; 88 fathoms. 



