PROFESSOR P. M. DUNCAN ON THE 
Syn. Lophohelia defrancei, Defrance, sp. 
stoppaniana, Seguenza. 
— affinis, Pourtales. 
Variety gracilis. 
Syn. Lophohelia gracilis, Seguenza. 
Family Oculinide. 
Subfamily STYLASTERACES. 
Genus STYLASTER. 
Species 1. Stylaster gemmascens, Esper, sp. 
Section PERFORATA. 
Family Madreporide. 
Subfamily EuPSAMMIINA, 
Genus BALANOPHYLLIA. 
Species 1. Balanophyllia gaditana, Duncan. 
2. cellulosa, Duncan. / 
3). socialis, Pourtales, sp. 
Syn. Thecopsammia socialis, Pourtales. 
Varieties a and fp. 
Genus DENDROPHYLLIA. 
Species Dendrophyllia cornigera, Lamarck, sp. 
Family Fungiide. 
Genus FUNGIA. 
Species Fungia symmetrica, Pourt. 
Section RUGOSA. 
Family Cyathaxonide. 
Genus GUYNIA, gen. Noy. 
Species Guynia annulata, Duncan. ~ 
Genus incerte sedis. 
Species 1. 
