PLATE IV. 



Fig. 1 — 2. Physophora borealis, M. Saks. Moskenstremmen, m., Vs 1899. 



1. Tentacular knob. s3 /i. 



2. Older tentacular knob, 83 A. 

 3 — 5. Eschara moshensis, n. sp., Moskenstremmen II, 15o m. 



3. Zooecium. 52 /i. 



4. Ooecium, 52 /i. 



5. Operculum, 83 /i. 

 6 — 7. Schizoporella Candida, Smitt, The Malangen Kiord. 100 — 200 m. 



6. Zooecium, 52 /i. 



7. Operculum. 83 /i- 

 8 — 11. PoreUa proboscidea, Hincks, The North Cape. 



8. Zooecium, lateral view. a. a = avicular aperture, r. p = rosette-plate, h = hole, 52 /i. 



9. Mandible, 83 /,. 



10. Operculum, 83 /i. 



11. Oral aperture, the condyles are seen, 83 A- 



12. Palmicellaria sJcenei var. tridens, Busk, Radosund, a little north of Bergen, 100 m.. operculum, 83 A. 



13. Palmicellaria skenei var. bicornis, Busk, Jokel Fiord III, 100 m., operculum, M /i. 

 14 — 15. Monoporella spinulifera, Hincks, Hammerfest. 



14. Ooecium and oral aperture, 62 A- 



15. Zooecium, lateral view, 52 /i. 

 16 — 17. Schizoporella reticulato-punctata, Hincks, The Porsanger Fiord, 200 m. 



16. Ooecium with the upper part of the zooecium, 5a /i. 



17. Operculum. 83 /i. 

 18 — 20 b. Porella prcpinqua, Smitt, Nordkap (1894). 



18. Zooecia, lateral view, a. u, avieularian umbo, o, ooecium, r. p. rosette-plate, 53 /i. 



19. The back side of the zoarium, 52 /i. 

 20 a. Operculum, 83 A. 

 20 b. Ooecium, 83 A. 

 21 — 23. Porella princeps, Norman, Mehavn (18941. 



21. Operculum, 83 A. 



22. Mandible, 83 /i. 



23. The under side of the front wall of the zooecium, showing the avieularian chamber <a. c) and the lateral channels (c h), 52 A 



24. Smittina smitti, Kiechenp., The 0gs Fiord I, 100 m., ooecium and the upper part of the zooecium. B2 /i. 

 25 — 26. Escharella labiata, Boeck, Svolvfer, on coal. 



25. Zooecium. lateral view, 8S /i. 



26. Base of the ooecium, 83 A. 



27. Oral denticle of Escharella immersa, Flem., Moskenstremmen, 83 /i. 



28. — = — ventricosa, Hass., Hammerfest, 83 A- 



29. — =— laqueata, Noem., Hammerfest, BS /i. 



30. — ••— — abyssicola, Norm., The Bommel Fiord, 83 /i. 



31. — = — labiata, Boeck, Svolvser, S3 /i. 

 32 — 35. Eschara nordlandica, n. sp., The Kvsenang Fiord, 90 m. 



32. A young zooecium and ooecium, 53 /i. 



33. Oral aperture of the zooecium, c, condylus, r, opercular rib, ^ :; i. 



34. Ooecium, 83 /i. 



35. Operculum, 83 /i. 

 36 — 38. Smittina majiiscula, Smitt. The Porsanger Fiord, 90 m. 



36. Zooecium and ooecium, 52 /i. 



37. Operculum, 83 /,. 



38. Mandible, 83 /,. 



