39 



{/)) In the stalk there are spindles, clubs, three- and four-rayed forms, 

 spindles with foliar expansions on one side, and numerous irregular spindles, 

 globular and disc-shaped forms. All have very numerous large rough multi- 

 tuberculate warts and rough branched spines. The spindles average about 

 t:» mm. in lensjth. 



Canal-wall spicules : ('/) In the stem the spicules are long, straight, curved 

 or sharply bent spindles with few regulai'ly arranged simple multituberculate 

 warts. They average about 2 mm. in length. 



(h) In the stalk there are straight or curved sjjindles with numerous pro- 

 minent multituberculate warts, smaller spindles, rods and three-rayed forms 

 with fewer and somewhat simi)ler warts, and in addition a few simple spindles 

 and branched forms which are somewhat flat and striated on the surface with 

 few or no spines. The larger average about 17 mm. in length. 



Colour — The stalk, stem and branches white to greyish-white ; the twigs 

 white with a reddish tinge ; the polyp-stalks brownish-red ; the polyps white. 



Locality : Padaw Bay (Dr. Anderson). 



Dendronephthya translucens, Henderson. 



To this species we refer a single specimen from the Arakan Coast. It 

 measures about 5 cm. in height and about 4 cm. in greatest breadth. 



The stalk or trunk is short, about 1 cm. in length, thin-walled and stringy 

 in appearance, and has its upper portion concealed by the reflexed flattened 

 lower branches. 



The polyparium is greatly flattened in one plane, irregularly oval in outline, 

 and consists of a number of branches of unequal size. All round the stem 

 and principal branches smaller branches are given off which give rise to the 

 polyp-bearing twigs. Several of the lower branches are flattened, and two are 

 flattened, leaf-like structures which almost surround the stem, leaving only tw^o 

 small spaces between their edges. Above these free spaces two small flattened 

 branches arise. From the upper surface of the flattened leaf-like branches 

 small ordinary branches are given off". 



The polyps are arranged in small groups of about three each, and several 

 of these groups are so arranged as to seem to form a larger group. On the 

 edges of the flattened branches the polyps occur singly. They are low, 

 measuring 04 mm. in height and 0'64 mm. in breadth, and are placed at a right 

 angle on the stalks (about 1 mm. long). The polyp-spicules are arranged in the 

 following manner : At the base of the polyp there are eight rows of one to two 

 pairs of converging spicules, then a ring of horizontally placed spicules two to 

 three deep, and then above these eight points each consisting of one pair of 

 converging spicules. In each of the points there may be a third spicule which 



