FROM THE INDIAN AND PACIFIC OCEANS. 187 



which one projects 0-5-1/0 mm. Spicules of anthocodia in 8 double rows o£ 

 5-6 each, all about the same size and not projecting beyond bases of 

 tentacles. 



Colour : Stem and main branches white, gradually shading in the terminal 

 twigs to crimson ; polyps white. In the lowermost branches both twigs and 

 polyps are white. 



Bab. China Seas (Cajpt. Chimmo). 



Family Siphonogorgiid^ {Kilhenthal). 



Genus Chironephthya. 



Chironephthya variabilis, Hickson. 



Fragments of three specimens from the Bay of Bengal. 



Chironephthya pendula, yar. indica, n. yar. = Svplionogorgla j)endula, 

 Studer. 



Differs from Studcr's specimen in the immense size of the spicules of the 

 partition-walls. 



Hah. Bay of Bengal. 



Chironephthya siphonogorgica, n. sp. 



Branches few in number, directed obliquely upwards and not further 

 subdivided. Polyps borne directly on main stem and branches. Each polyp 

 completely retractile within a definite calyx, which can be closed oyer the 

 retracted polyp. Spicules of stem and branches disposed longitudinally and 

 somew^hat loosely packed together. Stem spicules bright coral-red ; polyp 

 spicules bright yellow : tentacles colourless. 



Hah. Two specimens from Bay of Bengal. 



Chironephthya flavocapitata, n. sp. 



Branches from main stem long and slender, only slightly subdivided, 

 tending to droop dowmw^ards. Polyps directed nearly vertically upwards, not 

 retractile. Tentacles can be folded over oral disc. Polyp spicules : crown 

 with about six transverse rowvs ; points with two large spicules arranged 

 en chevron and smaller spicules irregularly disposed between them. Tentacles 

 with a single row of small thorny spicules placed transversely. 



Colour : Stem and branches pure white, with a few pale pink spicules 

 interspersed ; polyps deep orange ; tentacles colourless. 



Hah. Macclesfield Bank, Admiralty Islands. 



Chironephthya planoramosa, n. sp. 



The whole colony grows like an espalier pear tree ; branches at nearly 

 right angles to stem but inclined to bend downwards. Polyps spirally 

 arranged with a terminal bunch of five ; not retractile. Polyp spicules : 



