Boone, Coelenterata, Cruises of "Ara" and "Alva" 61 



Order: ALCYONACEA 

 Family: ALCYONIIDAE 



Genus: LOBULARIA Savigny 

 Lobularia ceylonicum (Pratt) 



•f 



Plate 13 



Type : Miss Pratt's type was taken at Galle, Ceylon. The type 

 depository is not stated, but is probably the government museum 

 at Colombo, Ceylon, and the Liverpool University museum. 



Distribution: Ceylon (Pratt) ; "Siboga" station 273, Jedan 

 Island, Dutch East Indies ; Society Islands (Boone) . Littoral zone. 



Material examined : Three separate colonies, Teviatoa Reef, 

 Raiatea Island, Society Islands, August 21, 1931. 





Text figure 2. — Lobularia ceylonicum (Pratt), spicules: left, example from 

 stalk, median and right two types predominant in the lobes, 



all greatly enlarged. 



Technical DESCRIPTION : The colony (dead and shrunken) is 

 low-growing with a length of 12 centimeters, a width of 6 centi- 

 meters and a total height of 6 to 8 centimeters. The capitulum is 

 low and bears numerous irregularly shaped lobes, some of which 

 are subcylindrical, distally convex and others are irregularly 

 shaped low, convex lobes, rather closely crowded together. The 

 average size lobe has an apical short diameter of 3 millimeters, 

 long diameter of 5 millimeters. The smaller subcircular lobes are 

 2 to 3 millimeters diameter and 5 to 9 millimeters high. The 



