PLATE V. 



Fig. 1 — 2. Schizoporella stormi, n. sp., The Noi'th Cape (1894). 

 „ 1. Zooecia, "/i. The avicularia are not quite correct, as the niamlibles are more pointed tlian in tlie fitrure. 



2. Operculum, o. r, opercular rib, *'/i. 

 3 — 4. Schizoporclla Jevinsem, n. sp., Kvænangen 11, 90 m. 



3. Zooecia, "/i. 



4. Operculum with the proximal margin of the oral aperture, *Vi- 

 5 — 7. Porella glaciata, Waters, Mehavn (1894). 



5. Zooecia, "/i. 



6. Operculum, *Vi- 



7. Mandible, '"7:- 

 8 — 11. Rhamphostomella scabra, Fabr., The Porsanger Fiord, 70 ra. 



8. Zooecium, "-/i- 



9. Oooecium, ^Vi- 

 10. The back side of the zoarium, ^Vi- 

 ll. Mandible, "A- 

 12 — 13. ScMzoporella hexagona, n. sp., Kvænangen II, 90 m. 



12. Zooecia, ^"'/i. 



13. Operculum, ^Vi. 

 14 — 15. BhamphostomvUn pliciitii, Smitt, Nordkyn (1894). 



14. Ooecium witli the upper pail of tlie zooecium. ^'Vi- The two small denticles, one on each side of the large one, are not illustrated. 



15. Mandible, "Vi- 

 16—17. Rhamphostomella vadiatida, Hincks, The North Cape (1894). 



16. Ooecium and oral aperture, "Vi- 



17. Part of the frontal wall of the zooecium, *7i- 

 18—20. Ehamphostomella contigua, Smitt, The Ostnes Fiord, 50 — 70 m. 



18. Zooecium, '-/i- 



19. Operculum, *Vi- 



20. Mandible, "Vi. 

 21 — 22. Rhamphostomelln coi^tata, Lurexz, Tromsø. 



21. Ooecium, "/i. 



22. Oral denticle, ^y,. 

 23 — 25. ScMzoporella unicornis, Johnst., Glea (Rost). 



23. Zooecia, ^-/i- 



24. Operculum, 'Vi- 



25. Mandible, "/,. 



26. Schizoporelld Iniciins, Mass., Bognøstrømmen (Bergen), 30 — 50 in., operculum, "A. 



27. Schiioporella toiicorjiis, Johnst., The Hjelte Fiord (Bergen), operculum, "Vi. 

 28—31. Phylactella peristoniata, n. sp.. Jøkel Fiord II, 80 m. 



28. Zooecium with marginal pores, p. a. c, pores to the avicularian chamber, '^"A- 



29. Zooecia, s, shield beneath the oral aperture, ''-/j. 



30. Mandible, =«7,. 



„ 51. Oral denticle, «V,. 



„ 32. Scliizoporella porifcra, Smitt, Napstrouunon (Lofoten), opci'culum, '^'i. 



,, 33—34. ScMzoporella linmta, NoRixi., Nordkyn (1894). 



„ 33. Operculum, «Vi. 



„ 34. Oral aperture, *Vi- 



„ 35. Smittina trispinosa, Johnst., Bålstad (l^ofoten), operculum, "Vi- 



