558 THE GREAT BARRIER REEF. 



CHROMO PLATE XI. 

 GREAT BARRIER REEF CORALS AND ECHINODERMATA. 



Fig. \.—Isis hippiiris, p. 200. Corallum, with polipiferous cortex adherent to a single terminal 



branchlet, but denuded from the remaining area, natural size; ia and ib, expanded polyps, 



enlarged. 

 Fig. 2. — Queensland Black Coral, Antipathes abies, pp. 189 and 332. Fragment of branch, natural 



size ; 2a, terminal branchlet ; 2b, expanded pol3'p, enlarged. 

 Fig. 3. — Ctenocella pedinata, p. 200. Branch of corallum, natural size. 

 Fig. 4. — Gorgonia australiensis, p. 200. Terminal branchlet, natural size. 

 Fig. 5. — Mclitodes ochracca, p. 200. Terminal branchlet, natural size. 

 Fig. 6. — Distichopora coccinea, p. 202. Corallum, natural size ; 6a, portion of corallum, slightly 



enlarged and turned edgeways to show the polyp orifices. 

 Figs. 7 and 7A. — Feather Star-fishes, Antcdoii sp., p. 43. Life size and colour. 

 Fig. 8. — Blue Star-fish, Linckia la'vigata, p. 43. Life size and colour. 

 Fig. 9. — Nodose Cushion-star, Orfrts/cr won'osws, p. 21. Life size and colour. 

 Fig. 10. — Gemmiferous Cushion-star, Cm/«V« ^r<?.r, p. 21. Life size and colour. 

 Fig. II. — Long-armed Brittle Star, Ophiomastix annulosa, p. 121. Life size and colour, with one 



only of the five arms visible. 

 Fig. 12. — Needle Urchin, Diadema setosa, p. 42. Life size and colour. 

 Fig. 13. — Slate-pencil Urchin, Hctcroccntrotus maniinillatits, p. 103. Life size and colour. 



