Plate II. 



Page 

 Fig. i. Histodermella Ingolfi n. sp. The body somewhat contracted and broken below. I l z 14 



— 2. Histodermella Ingolfi n. sp. Quite irregular specimen. I / l — 



— 3. Histodermella Ingolfi n. sp. Somewhat tubular specimen. I / I — 



— 4. Histodermella Ingolfi n. sp. Small specimen. I / I — 



— 5. Histodermella coriacea n. sp. A typical specimen; above an osculum, most of the other 



papillse are pore-papillae ; below the sponge is broken; above there is a Verruca. I / 1 . 16 



— 6. Histodermella coriacea n. sp. Tubular, branched specimen, broken below; the pointed 



papilla is an oscular papilla. 1 / l — 



— 7. Inflatella pellicula O. Schmidt. The base of attachment is seen; a tube is shown; rem- 



nants of the inner body shine through the dermal layer; the specimen is damaged 

 above 2 j l 18 



— 8. Inflatella pellicula O.Schmidt. Two tubes present; the dermal layer somewhat contracted 



and the peduncle broken; the inner body is distinctly seen shining through. 2 / l — 



— 9. Inflatella pellicula O. Schmidt. The peduncle with stoles; a tube is seen; below the 



remaining part of the inner body shines through. 2 /i — 



— 10. Inflatella viridis Tops. Somewhat club-shaped specimen ; four oscular and one pore-papillae 



are seen; bottom material is seen adhering below; remnants of the inner body shine 



through. z /i 2 ° 



— n. Inflatella viridis Tops. A somewhat low specimen; five tubes are seen, all contracted; 



below some adhering bottom material 7, — 



— 12. Inflatella viridis Tops. Pore-tube, showing the pore-membrane and the skeleton of the 



wall, x about 5 — 



— 13. Cornulum textile Cart. Somewhat damaged above. I / 1 22 



— 14. Cornulum textile Cart, with a Bryozoon. I / 1 — 



— 15. Grayella pyrula Cart. A two-branched, compressed specimen; oscula are seen. I / I 30 



— 16. Grayella pyrula Cart. A two-branched specimen with two oscula. I / I — 



— 17. Grayella pyrula Cart. Somewhat slender, club-shaped specimen with seven oscula. l j l . . — 



— 18. Grayella pyrula Cart. An unstalked specimen ; several oscula are seen. : /i — 



— 19. Grayella pyrula Cart. Small specimen with one osculum at the summit. r /i — 



— 20. Grayella gelida 11. sp. An osculum at the summit; the specimen shows wrinkles in the 



curve, caused by contraction. \U 34 



