308 PROPESSOE P. M. DUNCAN ON THE 



Syn. Lophohelia defrancei, Defrance, sp. 



sioppaniana, Seguenza. 



affinis, Pourtales. 



Variety gracilis. 



Syn. Lophohelia gracilis, Seguenza. 



Family Oculinidae. 



Subfamily Sttlastebace^. 

 Genus Sttlastee. 

 Species 1. Stylaster gemmascens, Esper, sp. 



Section PERFOKATA. 

 Family MadreporidsB. 



Subfamily EupSAMMiiNJS. 

 Genus Balanophtllia. 

 Species 1. BalanophyUia gaditana, Duncan. -^ 



2. cellulosa, Duncan. ^ 



3. socialis, Pourtales, sp. 



Syn. Thecopsammia socialis, Pourtales. 



Varieties a. and j3. 

 Genus Dendrophyllia. 

 Species Dendroj)hyllia cornigera, Lamarck, sp. 



Family PungMse. 

 Genus Fungia. 

 Species Fungia symmetrica, Pourt. 



Section RUGOSA. 



Family CyathaxonidsB. 



Genus Guynia, gen. nov. 



Species Guynia annulafa, Duncan. ■/ 



Genus incertse sedis. 

 Species 1. 



