212 PAPERS FROM THE DEPARTMENT OF MARINE BIOLOGY. 



Plate 28. page of the 



description 



Fig. i. Orbicella versipora (Lamarck). Calices, X4. of a specimen from Cocos-Keeling Islands 85 



Fics. 2, 3, 4, 4a, 5. Orbicella curia Dana. Fig. 2, calices, X4. of one of Dana's cotypes of 0. curta, No. 22, 

 U. S. Nat. Mus.; fig. 3, calices, X4, of a second cotype, No. 14, U. S. Nat. Mus. Fig. 4, 

 general view, natural size, of upper surface of one of Dana's cotypes of 0. coronata, No. 58, 

 U. S. Nat. Mus.; fig. 4a, calices of the same specimen, X4- Fig. 5, calices of a specimen 

 from Murray Island, X4 86 



Plate 29. 



Figs, i, ia. Cyphastrca microphthalma (Lamarck), from Cocos-Kceling Islands. Fig. I, general view, 



natural size; fig. ia, calices, X4 ; • • 88 



Fics. 2, 2a, lb. Cyphastrca serailia (Forskal), from Murray Island. Fig. 2, general view, natural size; 



fig. 2a, calices, X4; fig- zb, longitudinal section, X4 88 



Plate 30. — Leptastrea purpurea (Dana). 



Figs, i, ia. Two views of Dana's type of Astra-a purpurea, No. 75, U. S. Nat. Mus. Fig. 1, upper surface 



of corallum, natural size; fig. la, calices, X4 9 1 



Fig. 2. Calices, X4, of specimen from Murray Island 91 



Figs. 3, 3a. Calices, X4, of a specimen from Cocos-Keeling Islands. Fig. 3, area in which the calices are 



small; fig. 3a, area in which the calices are large 9 1 



Plate 31. 



Figs, i, la. Leplastrea transversa Klunzinger. Specimen from Fanning Island. Fig. I, general view, half 



natural size; fig. la, calices, X4 94 



Figs. 2, 2a, zb. Leplastrea immersa Klunzinger. Specimen from Cocos-Keeling Island. Fig. 2, general 



view, natural size; fig. 2a, calices, X4; fig- 2b, longitudinal section of corallites, X4 • 9° 



Figs. 3, 4. Leptastrea boltce (Milne Edwards and Haime). Calices of two specimens from Cocos-Keeling 



Islands, each X4 94 



Plate 32. — Echinopora lamellosa (Esper). 



Figs, i, ia. Two views of a specimen from Cocos-Keeling Islands. Fig. 1, calicular surface, natural size; 



fig. ia, calices, X4 • 97 



Figs. 2, 2a. Two views of Dana's type of Echinopora undulata, No. 126, U. S. Nat. Mus. Fig. 2, general 



view, natural size; fig. 2a, calices, X4 97 



Fig. 3. Part of Dana's type of Echinopora reflexa, No. 164, U. S. Nat. Mus., natural size 97 



Plate 33. 



Fig. 1. Calaxea clavus (Dana). General view, natural size, of type, No. 47, U/S. Nat. Mus 99 



Figs. 2, 3, 3a. Calaxea fascicularis (Linnsus). Fig. 2, general view, natural size, of Dana's type of 

 Anthophyllum hystrix, No. 49, U. S. Nat. Mus. Fig. 3, general view, natural size, of speci- 

 men from Murray Island; fig. 3a, calices of same specimen, X2 98 



Plate 34. 



Fig 1. Calaxea fascicularis (Linnaeus). Specimen identified by Dana as Anthophyllum cespitosum. No. 12, 



U. S. Nat. Mus • 98 



Figs. 2, 2a, zb, 3. Favia stelligera (Dana). Fig. 2, view of side, natural size, of Dana's type of Astra-a 

 stelligera, No. 55, U. S. Nat. Mus.; fig. 2a, summit calices, X4; fig- 20, calices near lower 

 edge, X4- Fig. 3, view of upper surface, natural size, of specimen identified by Dana as 

 Astra-a inter septa, subsequently made the type of Plesiastraa armala by Verrill, No. 65, U. S. 

 Nat. Mus. Enlarged views of the calices shown on plate 35, figs. 1, ia 101 



Plate 35. — Favia stelligera (Dana). 



Figs, i, la. Calices, X4, of type of Plesiastra-a armata Verrill. View, natural size of corallum, shown on 



plate 34, fig. 3 :"•••, "•'•"■■':" I01 



Figs. 2, 2a. Fig. 2, calices near edge, fig. 2a, summit calices, each X4, of a specimen from Cocos-Keeling 



Islands Y ; • ■ 101 



FlG. 3. Calices near edge of another specimen from Cocos-Keeling Islands, X4. The costa; are thicker 



and the corallum heavier than in the specimen represented by figs. 2 and 2a 101 



Fig. 4. Favia stelligera var. fanningensis, new var. Calices, X4- The thin septa and the lax, weakly 



developed columella are well shown in the figure 103 



