16 Ccel. 
CCELENTERATA. 
. ANTHOZOA. 
AGTINIARIA. 
Hexactiniai (Hertwig). 
Danielssen (19) describes the following 
yjKorenia , n. g. The pedal disc is lanceolately expanded, embraces nearly 
completely a thin cylindrical foreign body (the stem of Bathycrinus). 
Tbe body oblong, strongly* ribbed, and furnished with hollow papillae. 
The oral disc exposed. Many perfect septa. Mesodermal circular muscles. 
Few tentacles, placed in several series. K. margaritacea, p. 1, 1085-1333 
fathoms. 
J Kylhulrosactis , n. g. The pedal disc round, with thick undulating 
margin. The body cylindrical, smooth, with fine longitudinal stripes, 
suckers, and cinclides. Oral disc round, radiate. The tentacles retractile, 
long, not numerous, and in few series. Circular muscles distinctly endo- 
dermal. The principal and secondary septa perfect, but sterile. Numerous 
tertiary and quaternary imperfect septa, carrying reproductive organs and 
acontia. K. elegans , p. 4, 127 fathoms. 
Paractid^e (Hertwig). 
J Kadosactis , n. g. The pedal disc round, discoidally expanded. The 
body shaped like an urn, with broad transverse folds, and a prominent 
constriction immediately above the pedal disc ; on its exterior surface a 
great multitude of minute suckers. The tentacles in few series, short 
and retractile. Numerous perfect septa. Mesodermal circular muscles. 
K. rosea , p. 8, 1215 fathoms. K. hyalina , p. 11, 146-416 fathoms. 
New Family 1$ideractid.2E. 
Actiniaria with numerous perfect septa. Few series of short, non- 
retractile tentacles, of which the innermost contains eight mesodermal 
circular muscles. 
4 Sideractis , n. g. The pedal disc broad, furnished with extremely fine 
longitudinal stripes. The body smooth, with fine longitudinal furrows. 
The tentacles non-retractile in few series. The first inner series contains 
eight tentacles. Sixteen pairs of perfect septa. Mesodermal circular 
muscles. S. glacialis, p. 14, 263 fathoms. 
Sagartida:, 
i Stelidiactis , n. g. The pedal disc membrauaceously expanded, enclasps 
thin round objects (branches of Mopsea borealis). The body forms a 
round pillar, is longitudinally ribbed and furnished with cinclides. The 
oral disc covered by the margin of the body. The tentacles short) retrac- 
