MADREPORARIA OF THE DEEP SEA. 
Genus DESMOPHYLLUM. 
Species Dermophyllum crista-galli, Ed. &. H. 
Varieties (old species): «. cumingi, B. costatum. 
Genus FLABELLUM. 
Species 1. Flabellum distinctum, Ed. & H. 
Syn. Flabellum extensum, Mich. 
Species 2. Flabellum laciniatum, Ed. & H. 
Syn. Ulocyathus arcticus, Sars. 
Genus RHIZOTROCHUS. 
Species 1. Rhizotrochus affinis, Duncan. ~ 
Division GEMMANTES. 
Genus AMPHIHELIA. ; 
Species 1. Amphihelia oculata, Linneus, sp. 
2. ramea, Miiller. 
Syn. Amphihelia miocenica, Seguenza. 
sculpta, Seguenza. 
atlantica, nobis. 
ornata, nobis. 
Diplohelia profunda, Pourtales. 
meneghiniana, Seguenza. 
doderleiniana, Seguenza. 
gismondiana, Seguenza. 
Family Astreide. 
Division EUPHYLLIACE. 
Section EUPHYLLIACE® CHSPITOSE. 
Genus SOLENOSMILIA, gen. nov. 
Species 1. Solenosmilia variabilis, Duncan. ~ 
Division STYLINACE &. 
Section STYLINACEH INDEPENDENTES. 
Genus LOPHOHELIA. 
Species 1. Lophohelia prolifera, Pallas, sp. 
Syv. Lophohelia anthophyllites, Ellis & Solander. 
subcostata, Ed. & H. 
[Se] 
=I 
