REPORT ON THE ALCYONARIA. 291 



Titanideum, Agassiz. 



Titanideum suherosum (Ellis and Sol.), the only species, has been found both at North 

 and South Carolina. 



Iciligorgia, Ridley. 



Of the two species of this genus, Iciligorgia schrammi (D. and M.) has been found 

 at Guadeloupe, and Iciligorgia orientalis (Ridley) at Torres Strait. 



Spongioderma, Kolliker. 



Spongioderma verrucosum (Mohms) = Homophy ton gattyife, Gray, the only species 

 known, occurs at Algoa Bay (Mobius) ; near the Cape of Good Hope (Gray). 



Family II. Sclerogoegid^. 



Suberogorgia, Gray. 



Suberogo7'gia svherosa (Pallas), has a very wide distribution, being found in all three 

 oceans ; it has been found on the western coast of Africa and in the West Indies, then 

 on the north-west coasts of Australia, the Mauritius, and at the Admiralty Islands ; all the 

 recorded stations are south of the Equator. Suberogorgia verriculata (Esper), has been 

 found on the north-west coast of Australia and at Japan, while Suberogorgia kolliken 

 is now described from Japan. 



Keroeides, "Wright and Studer. 



The only described species of this genus, Keroeides koreyii, comes from Japan ; if indeed 

 it be the species described by Duchassaing and Michelotti as Acis nutans (D. and M.), 

 the West Indies must be added as a habitat. 



Family III. Melitodid^. 



Melitodes, Verrill. 



The somewhat numerous species of this genus would seem to be confined to the 

 Australian and Pacific Ocean areas. There is, however, some difficulty in knowing what 

 species to refer to the genus as we understand it. Melitodes dichotoma (Pall.), 



