298 THE VOYAGE OF H.M.S. CHALLENGER. 



Coslogorgia, Milne-Edwards. 



The only known species, Cadogorgia palmosa, Milne-Edwards, was described from a 

 specimen taken at Zanzibar. Dr. C. Keller has since taken it at Nossi Be, oft' the north- 

 east coast of Madagascar, in the Mozambique Channel. 



Cyatliopodium, Verrill. 



The creuus was established by Verrill for Aulopora tenuis of Dana, found living at 

 the "Paumatian" Archipelago. 



SderantJielia, Studer. 

 Sderanthelia musica, Studer, was found at lat. 15° 52' N., long. 2.3^ 8' W. 



Anthopodium, Verrill. 

 The only species is recorded from Fort Macon, north coast of North Carolina. 



Symptodkim, Ehrenlierg. 



Sympodium norvegicum, Kor. and Dan., Sympodiam ahyssorum, Dan., are found 

 in the Northern Atlantic ; Sympodium cm-alloides (Pall.), at Marseilles, Palermo, and in 

 the Red Sea ; Sympodium armatum was taken off the Bermudas ; Sympodium verrilli, 

 off Monte Video ; and Symijodixim glomeratum, at Nightingale Island. Of those species 

 apparently peculiar to the Red Sea may be mentioned Sympodium fulvum, Forsk., 

 Sympodium coerideum, Ehrbg., Sympodimn fuliginosum, Ehrbg., and Symp>odium 

 purpurascens, Ehrbg. 



Ei'ytliropodmm, KciUiker. 



This genus was established for Xenia caryhseorum, Duch. and Mich., which was 

 taken in the Caribbean Sea. 



Ccdlipodium, Verrill. 



This genus was founded by Verrill for two species [CalUpodium 2^(icificum, Verr., 

 Callipodium aureum, Verr.) from Panama and Pearl Islands, and from Zorritos, Peru. 



Pseudogorgia , Kolliker. 



The remarkable species, Pseudogorgia godeffi-oyi, Kolliker, was taken in the Gulf of 

 St. Vincent, Australia. 



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