47 



Canal-wall spicules : (a) In the stem there are a very few thick spindles 

 similar to those of the stem cortex. 



(//) In the stalk there are large thick spindles similar to those of the stem 

 cortex, and in addition large three- and four-rayed forms, and a number of 

 irregnlarly Iiranched forms. 



CViloiu' — The stalk, stem and principal branches white ; the smaller 

 branches and twigs yellowish-white ; the upper part of the polyp-stalk and the 

 polyps deep brownish-red. 



Locality : Off Ganjam Coast, 35 fathoms. 



Dendronephthya rigida, Studer. 



To this species we refer a specimen which measures <j cm. in height and 

 about 5 "5 cm. in greatest breadth. It agrees in all the chief points with the 

 descriptions given by Wright and Studer and by Kukenthal, the only differences 

 being in the slightly larger size of the polyps and of the cortical spicules of the 

 stem. 



In the present example the colour of the stalk is brownish to greyish-black ; 

 the stem and principal branches greyish-black ; the twigs are somewhat amber 

 coloured ; the polyp-stalks similar in colour to the twigs but with a slight tinge 

 of red ; the polyps white ; the polyp- and tentacle-spicules red. 



In colour the present specimen comes nearest Spongodes {Dendroneqyhthi/a) 

 sp/otdens described by Kukenthal from the Moluccas. 



Locality : Arakan Coast, 13 fathoms. 



This species has been previously recorded from Japan ; Ternate (Moluccas), 

 25 fathoms ; Maldives ; China ; and the Cheval Paar pearl banks, Gulf of Manaar. 



Dendronephthya microspiculata, Putter. 



To this species we refer a beautiful specimen from Gregory Islands, Mergui. 

 The specimen measures 7"5 cm. in height and 6'5 cm. in greatest width. The 

 lower part of the stalk is pinkish-white ; the upper part white ; the stem and 

 principal liranches a yellowish-white, with numerous short streaks of red ; the 

 smaller branches, twigs and Stiitzbtmdel ])urplered ; the polyps white. 



Locality : Gregory Islands, Mergui Archipelago. 



The species has been previously recorded from Amboina (Moluccas), Hong 

 Kong and Philippines. 



Dendronephthya microspiculata, Putter, var. andamanensis, Henderson. 



The colony is irregularly bush-shaped, flattened in one plane, of no regular 

 outline, and measuring 8'8 cm. in height, 65 cm. in maximum width. It is 



