PLATE III. 



Fitr. 1. Fliistra carlntsea, Ellis & Sol., Mehavn, 1894, Vi- 



„ 2. Flustra securifrons, Pallas, Breisund (Finmarken), Vi- 



„ 3. Flustra memhranaceo-truncata, Smitt, Skjerstad Fiord, Vi- 



„ 4. Flustra memhranaeeo-truneata, Smitt, Mehavn, 7i— Vi- 



„ 5. Flustra barleei, Busk, Arnø (Vestfjord), 300—400 m., Vi- 



„ 6. Flustra barleei, Busk, Røst II, 1.50 m., -'h 1899, Vi- 



„ 7. Flustra abyssxcola, M. Såes, on a little stone. Bålstad, 150 m., Vi- 



„ 8. Bugula murrayana, Johnst., the typical form, from the „skjærgaard" outside Bergen, Vi- 



„ 9. Schkoporella sinuosa, Busk, Svolvær, 50—70 ra., aperture of the zooecium, 'Vi- 



„ 10. Schizoporella sinuosa, Busk, Digermulen, 100—150 m., operculum, *Vi- 



„ 11. Membranipora minax, Busk, Moskenstrømmen, mandible, ^Vi- 



,, 12 — 14. Eschara sinrera. Smitt, Nordkap, 1894. 



„ 12. Mandible, ^'Vi- 



„ 13. Operculum, **Vi- 



„ 14. Zooecium, . lateral view, r, rosetplate, h, hole, 'Vi- 



„ 15. Porella lævis,'FLEM., The Trondlijem Fiord, Vi- 



„ 16. Porella saccata, Busk, Nordkap, Vi- 



„ 17. Escharopsis rosacea, Busk, Moskenstrømmen, '/i. 



„ 18. Escharoides cnccinea, AbildcxAaed, Solsvik in the Bergen „skjærgaard", mandible, *Vi- 



„ 19. Escharoides jacJcsoni, Waters, Kvænangen II, mandible, *Vi- 



„ 20. Retepora tvalUchiana, Busk, young colony, Bålstad, Vi— Vi- 



„ 21 — 24. CcUepora nodulosa, Lokenz. 



„ 21. Colony from Mehavn (Finmarken), 7i— Vi- 



„ 22. Colony from the Norwegian Noi1h Atl. Exp., St. 273, Vi- 



„ 23. An operculum of a colony from the .Jøkel Fiord III, 100 m., "Vi- 



„ 24. A mandible of a colony from the Jøkel Fiord III, 100 m., *Vi- 



„ 25. Cellepora mcrassata, Smitt, Hammerfest, Vi- 



„ 2G — 29. Cellepora ventricosa, Lorenz. 



,, 26. Colony from Breisund (Finmarken), 30—40 m., Vi- 



„ 27. An operculum of the same colony, "/i 



„ 28. Mandible of oral avicularium, "Vi- 



„ 29. Mandible of a spatulate avicularium, '^Vi- 



„ 30. Tubulipora lUeacea, Pallas, Solsvik in the Bergen „skjærgaard", Vi — Vi- 



„ 31. Tulmlijiiirit sp i'^ iienicillata, Fabr.), Mehavn (Finmarken), Vi — Vi- 



„ 32. Idmoncn (ithnitin). FoEB., Hustadviken, outside Romsdals amt, Vi- 



„ 33. Hornera lichenoides, Pontop., the Porsanger Fiord, 200 m., Vi- 



,, 34. Domopora sfellnfa, Goldf., the Malangen Fiord, 100 — 200 m., Vi— Vi- 



„ 35. Alcyonidnnu disci/hrme, Smitt, the Lyngen Fiord III, the border a little ruptured. Vi— V 



„ 36. Bowcrhioikin iwhrimta, Adams, The Norw. North Atl. Exp., st. 343, Vi- 



„ 37 — 38. Flustrelln coriiiciilata. Smitt, Svolvicr (Lofoten), -'/i. 



„ 37. Zooecia, "V,. 



„ 38. Spino of tho same colony, -'/i. 



