229 



Eunoella Gr. Coral crust-like, thin. Polypes large, convex 

 when contracted. 



Sphaerella Gr. Coral hard, coriaceous, globular or sub- 

 globose, affixed by a slender peduncle, growirg in cluster-s. Poly- 

 pes scattered over the whole surface, quite retractile. 



Chlorosoa Gr. Coral soft, divided into finger-like lobes, 

 deep green. Polypes very small, irregularly disposed. Tentacles 

 petal-like, ovate, laiiceolate, connected by a membrane like a veil 

 and lacerated or ciliated at the tip. 



Äniicella Gr. Coral thick at the base, branched, tree-like. 

 Polype-cell ratber prominent, covered with eight valves, each mar- 

 ked with two rows of spicules. Polypes quite retractile. Tentacles 

 simple, clavate (Quoy et Gaim.). 



Danella Gr. Coral soft; stem thick, barren, not dilated at 

 the base; branches slender, cylindrical, ascending. Polypes small, 

 on the branches; spicules very abundant in all parts of the stem. 



Areocella Gr. Coral rather rigid, stipitate, very broadly 

 expanded, sinuate on the edge ; upper surface areolated, areolae 

 hexagonal, each surrounded by a series of small tubercles. Polype 

 in centre of each areola. 



Cla'diella Gr. Coral half-ovate or obconical, in Clusters, 

 below tapering to a small base, barren, above flat. Polypes re- 

 tractile. 



Loridella Gr. Coral erect; stem thick, with a contracfced 

 base; surface coriaceous," with imbedded fusiform spined spicules. 

 Tentacles with lobes on all sides (Quoy). 



War della Gr. Coral simple; stem simple, with very nume- 

 rous smooth internal spicules forming a thick spongy web. Polypes 

 not retractile. 



Capnella Gi*. Coral erect; stems clustered, coriaceous, gra- 

 nulär, divided into short branches; outer surface studded with 

 small, flat, smooth, irregular-shaped spicules. Polype-cells crowded 

 and imbricate on all sides of the oral club-shaped branchlets, po- 

 lype-cells campanulate, slightly eight-lobed. Polypes retractile. 



Verrilliana Gr. Coral soft, branched. Stem tapering, cy- 

 lindrical, longitudinally grooved. Polypes clustered together on all 

 sides of the ends of the branches, forming an ovate-lanceolate group 

 of thyrse. Polype-cells cylindrical, with a subglobular heat when 

 the polype is contracted. 



Manche der hier aufgestellten neuen Genera und 

 Familien dürften übrigens gerechtes Bedenken erregen. 

 Form, Verästlungsweise, Stellung und Bildung der Po- 

 lypenzellen — die Momente also, auf die Verf. das Haupt- 



