Plate XIV. 



Page 

 Fig. I. Gelluis flagelli/ei' R. and D. a oxea, b developmental form, x 165, c flagellate 



sigmata, d common sigmata, x 485 71 



— 2. Gellius porosns Frstdt. a oxea, x 165, b flagellate sigmata, c one of the thick 



sigmata, onh- occurring in small numbers, x 485 73 



— 3. Gelliodes plexa n. sp. a oxea, b developmental form, x 165, c toxa of diffe- 



rent sizes and stages of development, x 380, d sigmata, x 485 75 



— 4. Gelliodes plexa n. sp. Dermal membrane from the osciilar side; the subjacent 



skeleton and projecting spicules are seen, x ca. 18 — 



— 5. Gelliodes plexa n. sp. Dermal membrane from the pore side, x ca. 18 — 



— 6. Gelliodes cojisimilis n. sp. a oxea, b developmental form, x 165, c toxa, d a 



developmental form, x 380, e sigmata, x 485 77 



