Plate II. 



Page 

 Fig. i. Histodermella Ingolfi n. sp. The body somewhat contracted and broken below. "/, . . . . 14 



2. Histodermella Ingolfi n. sp. Quite irregular specimen. t j l 



3. Histodermella Ingolfi n. sp. Somewhat tubular specimen. r /i 



4. Histodermella Ingolfi n. sp. Small specimen. 1 / 1 _ 



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



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



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



papilla is an oscular papilla. r / t 



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 /i 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 /i 



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



remaining part of the inner body shines through. 2 J 1 



10. Inflatella virtdt'sTops. Somewhat club-shaped specimen; four oscular and one pore-papillse 



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

 through. '/, 20 



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



below some adhering bottom material z /i 



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 22 



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



15. Grayella pyrula Cart A two-branched, compressed specimen; oscula are seen. '/, 3 



16. Grayella pyrula Cart. A two-branched specimen with two oscula. YI 



17. Grayella pyrula Cart Somewhat slender, club-shaped specimen with seven oscula. '/, . . 



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



19. Grayella pyrula Cart. Small specimen with one osculum at the summit. I / l ... 



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



curve, caused by contraction. I / 1 34 



