GARDINER—MADREPORARIAN CORALS. 289 
EXPLANATION OF THE PLATES. 
All figures are of natural size unless otherwise stated. 
PLATE 33. 
Fig. 1. Fungia sinensis. Oral surface. 
oes e - 5) re Aboral surface (same specimen). 
Fig. 3. 4, jieldi. Oral surface. 
Fig. 4. 4, 3 Aboral surface (same specimen). 
PLATE 34, 
. Fungia somervillei. Oral surface. 
5 f Aboral surface (same specimen). 
»  fieldi. Aboral surface of another specimen. 
>| 
E 
a 93 OF 
NS gt 
»,  scutaria, Aboral surface to show folds and cracks. 
PLATE 35. 
Fig. 9. Fungia costulata. Aboral surface. (Oral surface on pl. xci. fig. 19 of Fauna and Geogr. 
Maldives and Laccadives.) 
Fig. 10. Fungia coopert. Aboral surfaces of two specimens. (Oral surfaces pl. xci. figs. 17 & 18, 
op. cit.) 
Fig. 11. Fungia corona. Oral surface. 
ie, WS oy Aboral surface (same specimen). 
PLATE 86. 
Fi 
~ 
g.13. Polyplyllia talpina. Oral surface of the ‘Challenger’ Expedition specimen in the British 
Museum. 
Figs. 14 & 15. Herpolitha foliosa. Aboral and oral surfaces of the smaliest and youngest specimen in 
the collection. Red Sea. 
PLATE 37. 
Figs. 16 & 17. Herpolitha foliosa. x *,. Oral and aboral surfaces of the smallest regenerating 
specimen in the collection. Red Sea. 
PLATE 38. 
Figs. 18 & 19. Polyphyllia talpina. Oral and aboral surfaces of the smallest Singapore specimen. A 
secondary disc is growing out of the scar of detachment iu fig. 18. 
Figs. 20 & 21. Herpolitha imax. Oral and aboral surfaces of the smallest Singapore specimen, showing 
scar of detachment and septa continuous from the axial groove to the edges of the dise. 
Fig. 22. Herpolitha imax. Oral side of a large Red Sea specimen. 
Fig. 23. ee a5 Oral surface of the third smallest specimen from Singapore, showing out- 
growth of a fresh disc. 
SECOND SERIES.—ZOOLOGY, VOL. XII. 40 
