PLATE XIV. 



Fig. 1. Adambulacral spine of Pedicellaster palœocrystalliis Siaden. ^^-'U. 



— 2. Part of the interior of an arm of Bathybiaster uexillifer Wyv. 



Thomson, showing the very large ampullæ, /i. 



— 3. Mouth-spine (sphæridia) of Pteraster pulvilliis M. Sars. ^'^/i. 



— 4. Marginal plates of Ctenodiscus crispatus, Var. (Comp. Fig. 6). *'/i. 



— 5. Adambulacral spines of Bathybiaster vexillifer. ^"^/i. 



— 6. Marginal plates of Ctenodiscus crispatus, typical form (Comp. 



Fig. 4). 'Vi. 



— 7. Inner part of arm of Pedicellaster typicus. ^- i. 



— 8. Dorsal spine of Stichaster albulus. '^■''i. 



— 9. Inner part of arm of Pedicellaster palœocrystallus. ^Vi. 



