PLATE XXL 



PAGE 



Fig. L Cladoi'hiza moruliformis, .stylus ; x 44, . . . , yi 



Fig. 2. Cladorldza abyssicola, Y'dvAlnearis, »YiX'A\\ >ity\vi'!i-, x 190, . . 90 



Fig. 2a. Large stylus; x 44. 



Fig. 3. Chondi'ocladia crinita, stylus, from one of the supporting processes : 



X 44, . . . . . . . .101 



Fig. 4. Cladorhiza lonyipinna, small tylostylus : x 190, . . .92 



Figs. 5, 5t(, 56. Cladorhiza similis. small tylostyli ; x 180, . . . 93 



Figs. 6, Qa, 6b, 6c. 3Ieluderma .stipitata, tylostyli from the stem ; x 44, . 102 



Fig. 7. Chondrodadia concrescens (f), atylua ivom iixis ; x 44, . .100 



Fig. 7a. Base aud ai)e.\ of auother stylus from axis; x 190. 



Fig. 8. Axoniderma inirabi/e, anisochelae ; a, front view ; b, side view ; x 430. 98 



Fig. 9. Axoniderma mirabile ; a, b, amphiastra, seen from the side ; c, d, end 



views of same : x 290, ...... 98 



Fig. 10. Axoniderma mirabile, sigmat-d ; x 290, . . . .98 



Fig. 11. Chond rocladia clavata, isoclielaj ; a, front view; b, side view: 



X 290, ........ 100 



Fig. 12. Chortdrocladia concrc^cens (?), isochelje ; a, siile view; b, c, end views; 



c?, front view ; x 290, . . . . . .100 



Fig. 13. Cladorhiza inversa, anisochelae, showing the nucleus of tlie mother- 

 cell (n), the cell itself has shrunk up on the spicule ; a, front view ; 

 b. side view : x 900, ....... 94 



Fig. 14. Meliide'i'ma stipitata, isochelse ; a, side view; b, c, end views; d, back 



view; x 290, ....... 103 



Fig. 15. Cladorhiza mortdiforini'i, aignvd ; x 190. . . . 91 



Fig. 16. Cladorhiza (f) tridentata, 6igmata : x 190, . . . .95 



Fig. 17. Chondrocladia. crinita, isochelse; a, side view; 6, end view; c, front 



view; x 290, . . . . . . .101 



Fig. 18. Cladorhiza tiimilis, anisochelsid ; a, front view ; 6, side view ; x 900, . 93 



Fig. 19. Cladorhiza moruliformis, anisochelae; a, front view; b, side view; 



X 360, ........ 91 



Fig. 20. Cladorhiza (f ) tridentata, ani.sochelse ; a, front view ; b, side view ; c, end 



view of larger end ; x 360, ...... 95 



Fig. 21. Cladorhiza longipinna, smaller anisochela? ; a, front view ; b, side 



view ; x 675, ....... 92 



