Trans. X.Z. Inst., Vol. XLTX. 



Plate XX. 







X4 



Fig. 1. Goniastrea benhami Vaughan n .sp. Longitudinal of corallites of holotype, X 4. 

 Figs. 2, 2a. Montipora caliculata (Dana). Fig. 2, upper surface, natural size : fig. 2a, 



calicos of upper surface, X 8. 



