228 



»lightly branched, smooth or minntely granulär. Polypes clustered 

 on the roanded ends of the branches, not retractile; skin of the 

 stem and polypes to the end of the pinnules strengthened with 

 spiciiles. 



Gen. Xenia 4 Sp., Loridella n. 4 Sp. (Cornularia subviridis 

 Quoy and Gaim., Xenia florida Dana, X. elongata Dana, X, coerulea 

 var. Dana), Wardella n, mit X. indivisa Sars. 



B. Coral cellular; the surface of the coral and outher side 

 of the polype-cells covered with opake, rugose, fusiform spicules. 

 Polypes retractile. 



a. Stem, branches and polype-cells covered with spiculae. 



Fam. 8. Nidälidae. Coral simple or branched ; stem cylindri- 

 cal, cai'tilaginous , with a crustaceous skin and inibedded spicules. 

 Polypes on tbe upper surface of a hemisphaerical head, with pro- 

 minent large conical polype-cells; stem and polype-cells covered 

 with large fusiform spicules. 



Gen. Nidalia Gr. 1 Sp. 



Fam. 9. SpoggOdidae. Coral membranaceous, cellular, bran- 

 ched, the outer surface covered with opace fusiform spicules. Po 

 lype-cells at the ends of the branchlets and surrounded by a series 

 of projecting spicules. Polypes retractile. 



Gen. Spoggodes 4 Sp., Spoggodia Gr. 4 Sp. 



Fam. 10. Nephthyadae. Coral fleshy, cellular, branched; stem 

 coriaceous or granulär exterualjy ; branches and polype-cells with 

 superficial spicules. Polype-cells sabcylindrical, incurved. Polypes 

 retractile. 



Gen. Nephthya 4 Sp., Ammothea 1 Sp., Capnella 1 Sp., Mor- 

 chellaua Gr. 1 Sp. 



Fam. 11. Lemnaliadae. Coral simple atthebase; stem formed 

 of the clustered cylindrical tubulär bodies of the polypes; outer 

 surface smooth, without spicules. 



Gen. Lemnalia Gr. 3 Sp., Verrilliana n. mit Ale. ramosum 

 Quoy and Gaim. und Ammothea thyrsoides Ehrbg. 



Fam. 12. Paralcyoniadae. Coral membranaceous . branched 

 above, smooth, with minute dermal spicules near the mouths of 

 the polypes ; the bodies of the polypes opening into each other, ma- 

 king a common cavity. The coral retractile into a tubulär sheath 

 covered with large dermal spicules. Teutacles reti^actile. 



Gen. Paralcyonium M. Ed. 1. Sp. 



Zur Charakteristik der neu aufgestellten Genera die folgenden 

 Diagnosen . 



Massarella Gr. Coral irregulär -shaped, attached to a 

 horny axis of a Gorgonia; outer surface hard, crustaceous, smooth; 

 internal cork-like. Polypes completely retractile. 



