Bryozoa. 445 



St. 20 b, Danmarks Havn, 5— lOm. 



St. 63, Stormbugt, 20— 40m. 



St. 66, Stormbugt, 30-40 m. 



St. 69, Stormbugt, 20— 30m. 



St. 71a, off Cape Bismarck, 30—40 m. 



St. 72, Stormbugt, 20— 40 m. 



Membranipora cymbæformis Hincks. 



Membranipora spinifera Smitt, op. cit. 1867, pp. 366 and 411, Tab. XX, 



flg. 32. 

 — cymbæformis Hincks, Annals Nat. Hist., ser. 4, Vol. 



XIX, p. 99. 

 Cauloramphus — Norman, Annals Nat. Hist., ser. 7, Vol, 



XI, p. 588. 

 About 10 colonies on hydroids. 

 St. 63, Stormbugt, 20— 40 m. 

 St. 68 a, Øresund, 40— 60 m. 

 St. 71a, off Cape Bismarck, 30-40 m. 



Fam. Cribrilinidae. 



Cribrilina annulata Fabricius. 

 Cellepora annulata Fabricius, Fauna Groenl., p. 436. 

 Escharipora annulata Smitt, opus cit. 1867, Bihang, pp. 4 and 53, PI. 



XXIV, figs. 8-10. 

 Cibrilina — Hincks, op. cit. p. 193, PI. XXV, figs. 11, 12. 



— — Waters, op. cit. p. 64, pi. 8, fig. 21. 



— — Norman, East Finmark, Polyozoa, p. 94, PL 



VIII, fig. 11. 



— — var. spitsbergensis, nov. nom. Norman, Annals 



Nat. Hist., ser 7, Vol. XII, p. 103—104, PI. VIII, 

 fig. 11. 



— — Levinsen, Mosdyr, p. 62, Tab. V, figs. 23—25. 



— — Osburn, op. cit. p. 232, PI. XXIV, figs. 42, 42 a, 



42 b. 



The two colonies examined belong to the variety spitsbergensis 

 set up by Norman. While the zooecia in all the colonies I have 

 seen from Denmark, Norway, Iceland, Kara Sea and West-Greenland 

 are provided with three (rarely 4) cylindrical oral spines, the oral 

 spines in the two colonies are very broad and flattened, and Waters 

 who has found three quite similar spines in a colony from Franz 

 Josef Land designates them as "calcareous processes in place of the 



