Figo 
Ss 
te 
PLATE XI. 
Tichopora tenella, lateral view of the corallum; natural size. With vertical section. 
Fig. la. Old and young calicles ; magnified. 
Porites crassa, lateral view of the corallum ; natural size. 
Fig. 2a. The wall and calicles ; magnified. 
. Porites cxplanata, the corallum ; natural size. Viewed from above. 
Fig. 3a. A calicle with the walls; magnified, 
Porites crassistellata, lateral view of the corallum ; natural size. 
Fig. 4a. The wall and calicles; magnified. 
Porites mirabilis, lateral view of the corallum ; natural size. 
Fic. 5a. Large and small calicles ; magnified. 
> fo) ? to} 
Porites latistellata, a part of the corallum ; natural size. 
Fig. 6a. The wall and calicles ; magnified. 
Porites bulbosa, a part of the corallum ; natural size. 
Fig. 7a, The wall and calicles ; magnified. 
Porites parvistellata, lateral view of the corallum ; natural size. 
Fig. 8a. The wall and ecalicles; magnified. 
