Dr. J. E. Gray on the Fleshy Alcyonoid Corah. 123 



lacerated or ciliated at the tip. (Sec Quoy & Gaim. Voy. 

 Astrol. t. 23. f. 22, 23.) 



Chlorozoa viridis. [Alcyoniiun viride^ Qiif>y & Gaim. Voy. 

 Astrol. t. 23. f. 21-23.) 

 Hah. Vanikoro. 



** Polype-ceU ivifJi a raised edge. 

 4. Ehodophyton, Gray, P. Z. S. 1865, p. 700. 



Coral fleshy, with a hard crust, branched to the base. Polype- 

 cell with a raised edge. Polypes half-retractile. 



Bhodophyton Couchii, Gray, P. Z. S. 1865, p. 706 (fig.). 

 Hah. Cornwall (Couch). B.M. 



5. Amicella. 



Coral thick at the base, branched, tree-like. Polype-cell 

 rather prominent, covered with eight valves, each marked 

 with two rows of spicules. Polypes quite retractile. " Tenta- 

 cles simple, clavate " (Quoy). 



AmiceJla amicorum. [Alcyoniiun amicorum, Quoy & Gaim. 

 Voy. Astrol. t. 22. f. 13-15. Nephtliea amicorum^ Blainv. 

 Ammofhoa amicorum^ M.-Edw.) 

 Hah. Tongatabu. 



Section II. PODOCOEALLIA. 



The coral pedunculated, the lower portion stem-like, barren, 

 the upper lobed or branched, with the polypes on the surface. 

 The polypes with an elongated tubular body. 



A. Coral with a coriaceous or crnsfaceous minutehj f/ramdar 'outer 

 surface, with more or less numerous internal spicules. Polypes 

 retractile or semi retractile. 



Fam. 4. Alcyoniadse. 



The coral fleshy, divided into lobes or branches above, 

 bearing the polypes on all sides. Stem more or less coriaceous 

 externally. Polypes retractile. 



1. Alcyoxium. 



Coral erect ; base thick, smooth, barren ; upper part divided 

 into subcylindrical lobes. Polype-cells even. Polypes small, 

 retractile. 



Kolliker says A. pahnatum has a rudimentary axis. (See 

 Icon. Hist. t. 12. f. 4.) 



