210 EXPLANATION OF PLATES. - 
PLATE XXII. 
Madrepora sarmentosa (p. 127). Port Denison. About 4 nat. size. 
PLATE XXIII. 
Figures about 4 nat. size. 
Fig. A. Madrepora calamaria, var. mammillata (p. 154). Rodriguez. 
Fig. B. Madrepora calamaria (p. 154). Rodriguez. 
Fig. C. Madrepora australis (p. 155). 
Fig. D. Madrepora guppyi (p. 158). Shortland Island, Solomon Islands. 
Fig. E. Madrepora cophodactyla (p. 148). 
PLATE XXIV. 
Madrepora brueggemanni (p. 145). Singapore. 3 nat. size. 
PLATE XXV. 
Figures about 4 nat. size. 
Fig. A. Madrepora studeri, upper surface (p. 126). 
Fig. B. Madrepora studeri, under surface (p. 126). 
PLATE XXVI. 
Figures about 4 nat. size. 
Fig. A. Madrepora vis‘formis, upper surface (p. 87). Rodriguez. 
Fig. B. Madrepora smithi (p. 34). 
PLATE XXVII. 
Figures about } nat. size. 
. Madrepora brevicollis (p. 159). Thursday Island, Torres Straits. 
. Madrepora brevicollis, var. pustulifera (p. 160). Rodriguez. 
. Madrepora nigra (p. 45). Tizard Bank. 
. Madrepora pectinata, under surface (p. 95). Thursday Island, Torres Straits. 
. Madrepora pectinata, upper surface (p. 95). Thursday Island, Torres Straits. 
. Madrepora recumbens (p. 106). Rocky Island, Great-Barrier Reef. 
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PLATE XXVIII. 
Figures about 4 nat. size. 
Fig. A. Madrepora pulchra (p. 44). Keeling Island. 
Fig. B. Madrepora pulchra, vay. stricta (p. 44). Tizard Bank. 
Fig. C. Madrepora pulchra, var. alveolata (p. 44). Palm Island,:Great-Barrier Reef. 
