5 
Locality. Barents-Sea. 74° 10’ N. lat., 23° 20’ E. long. 220 fathoms. 
Habitat ? 
Genus: Diastopora (part.) Lamouroux. 
5. Diastopora obelia. Johnston (Br. Zooph. ed. II). 
Synonyls: 
Tubulipora obelia. Johnst. B. Z. ed. I. 269. 
Diastopora hyalina a. obelia. Smitt. Öfv. af. kongl. Vet. Ak. Förh. 
1866, p. 396 seq. 
Zoarium irregularly shaped with an undulating outline. The free 
portion of the zooecia is very short; orifice of the latter rather 
elliptical than subeireular. The numerous tubules interspersed be- 
tween the zooecia are larger than in the usual case. Closed zooecia 
could not be found. 
Not abundant. 
Locality. Matotschkin-scharr. 73° 10' N. lat; 57° E. long. 2—11 
fathoms. 
Habitat: On stones. 
Family HORNERIDAE. 
Genus: Hornera, Lamouroux. 
6. Hornera lichenoides. Linnaeus. 
SYNONYMS: 
Hornera frondiculata. Sars. Z. Reise i Lof. og Finm., Nyt Mag. f. 
Nat. Vid. VI 146. 
Busk. Ann. Nat. Hist. ser. 2. 18. 34. 
Millepora lichenoides. Linn. Syst. ed. XII. 1283. 
Hornera borealis. Busk. Monogr. of Crag Polyzoa. 95, 103. 
Alder. Quart. Journ. Micr. Sc. n. ser. IV (1864) 
108. 
Corallium. Pontopiddan. Norges Naturl. Hist. 1, 258. 
Hornera lichenoides. Smitt. Öfv. af. kongl. Vet. Akad. Förh. 1866. 
p. 404. 
Busk. Br. M. Cat. IL, 17. 
The arctic specimens of this interesting form seem to be charac- 
