Plate I. 



Page 



Fig. i. Cladorhiza oxcata n. sp. One branch is almost quite denuded. V, 97 



— 2. Esperiopsis pedicellata n. sp., sitting on Astarte crenata. '/i 16 



3. Esperiopsis typiclicla n. sp., sitting on Hornera lichenoides, the flagellifonn appendices are 



not to be seen. I / 1 22 



4. Esperiopsis villosa Cart. Broken off below, the dermal membrane partly torn off. Along 



the upper edge oscula are seen. I / 1 ■ 9 



— 5. Esperiopsis forcipula n. sp. The largest fragment, probably the upper part of a thick, leaf- 



shaped sponge; the skin wanting below. i / 1 17 



— 6. Mycale ovitlum O. Schmidt, on Halecium sp.; a large irregular specimen. I / 1 34 



— 7. Mycale ovulum O.Schmidt, on Hydrallmania falcata ; rather large, irregular specimens, 



probably formed by coalescing, showing several oscula. 1 / 1 34 



— 8. Mycale ovulum O. Schmidt, on Ptilota plumosa; egg-shaped specimens, each with one 



osculum; to the left a specimen with two oscula, probably formed by coalescing. '/, . 34 



9. Artcmisina arcigera O.Schmidt. Rather flat specimen, viewed about from above. I / I . . . no 



— 10. Artcmisina arcigera O. Schmidt. A small specimen on a Brachiopod. '/, no 



- 11. Artcmisina arcigera O.Schmidt. A higher specimen sitting on a fragment of a Sipho. '/, no 





