PLATE XVII. a. 



Figure. 



1. Zoanthus Solanderi, Les. (p. 335). Drawn from formalin material. 



2. Zoanthus flos-marinus, Duch. and Michl. (p. 339). Drawn from formalin material. 



3. Zoanthus pulchellus (Duch. and Michl.), (p. 341). Drawn from formalin material. 



4. Isaurus Buchassaingi (Andres), (p. 346). Drawn from formalin material. 



5. Gemmaria variabilis, n. sp. (p. 350). Drawn from alcohol material. 



6. Gemmaria fusca, n. sp. (p. 354). Drawn from formalin material. 



7. Palythoa mammillosa (Ell. and Sol.), (p. 359). Drawn from formalin material. 



8. Palythoa mammillosa (Ell. and Sol.), (p. 359). Drawn from alcohol material. 



9. Palythoa caribma, Duch. and Michl. (p. 365). Drawn from formalin material. 



10. JEpi&oanthus minutus, n. sp. (p. 369). Drawn from life. 



11. Parazoanthus Swiftii (Duch. and Michl.), (p. 372). Drawn from formalin material. 



The dimensions represented are practically the same as in the living condition. 



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