346 THE GREAT BARRIER REEF. 



CHROMO PLATE V. 

 GREAT BARRIER REEF CORALS. 



Fig. 1. — Trachypliyllia ainarainiis, p. i6i. Portion of corallum, with contracted polyp, natural 



size ; ia, expanded tentacles of peristomial fringe, slightly enlarged. 

 Fig. 2. — Caulastrcea distorta, p. i6o. Corallum with expanded polyps, natural size; 2a and 2b, 



expanded polyps of diverse hues. 

 Fig. 3. — Miissa corynibosa, pp. 19 and 161. Corallites with retracted polyps, natural size; 3A, 



diagramatic section of expanded polyp, showing lacinulate aspect of tentacular disk ; 3B, 



corallite with contracted polyp, horizontal view. 

 Y'lg. 4. — Mtissa imiltilobata, p. 161. Corallite with contracted polyp, horizontal view, natural 



size ; 4A, expanded polyps embracing two oral systems. 

 Fig. 5. — Prionastra-a sp., p. 163. Corallum with contracted polyps, natural size. 

 Fig. 6. — Favia Bowerbanki, p. 167. Corallum with contracted polyps, natural size. 

 Fig. 7. — Ca'loria sp., p. 164. Corallum with contracted polyps, natural size. 

 Pig, 8. — Prioiiastnra sp., p. 163. Corallum with contracted polyps, natural size. 

 Fig g. — Moscleya latisicllata, p. 165. An adult and two budding corallites, with retracted polyps, 



natural size. 

 Fig. 10. ^Cceloria sp., p. 164. Corallites with retracted polyps, natural size. 

 Fig. II. — Goniastra-a eximia (appr.), p. 163. Corallum with retracted polyps, natural size. 

 Figs. 12 and 13. — Tridacophyllia laciniata, p. 167. Corallites, with retracted polyps of different 



tints. 

 Fig. 14. — Favia amicorum, p. 167. Corallum with retracted polyps, natural size. 

 Figs. 15 and 16. — Prionastrcea robusta, p. 163. Two coralla with retracted polyps of varying 



tints, natural size. 

 Pig. 17. — Symphyllia sinuosa, p. 162. Portion of corallum with contracted polyps, natural size. 

 Figs. 18 and 19. — Caloria Espcri, p. 164. Sage-green and lilac varieties with retracted polyps, 



natural size; i8a, small area, from base of corallum delineated in Fig. 18, illustrating origin 



of polyp-valleys from a primary single circular polyp. 

 Fig. 20. — Caloria sp., p. 164. Portion of corallum with retracted polyps, natural size. 

 Figs. 21 and 22. — Goitiasircva Grayi, p. 163. Corallum with retracted polyps, two thirds natural 



size ; 22, expanded polyp, slightly enlarged. 



