Fig. 
Fig. 
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Fig. 
bo 
. O. 
“PLATE V. 
Merulina prolifera, a part of the corallum ; natural size. — 
. 
Fig. la. A branchlet ; magnified. 
Oxypora contorta, a part of the corallum ; natural size. 
Fig. 2a. Two calicles; magnified. 
Fig. 2b. A part of the under surface. 
Tichoseris obtusata, the corallum ; natural size. 
Fig. 3a. A transverse section, showing isolated as well as seriate calicles, with solid walls ; 
magnified. 
Fig. 3. A magnified view of the marginal part of a calicle, with synapticule. 
Fig. 3c. A vertical section of the corallum, with endotheca ; magnified. 
Domoseris porosa, a part of the corallum ; natural size. 
Fig. 4a. A calicle ; magnified. 
Fig. 4). A magnified view of the upper part of the septo-coste, as seen in a vertical section 
parallel to their direction. 
Fig. 4c. A magnified view of the septo-coste, as seen in a vertical section, transverse to their 
direction. 
Domoseris solida, a part of the corallum ; natural size. 
Fig. 5a. A ealicle; magnified. 
Domoseris regularis, a part of the corallum ; natural size. 
Fig. 6a. A magnified view of a vertical section of the corallum, transverse to the direction of the 
’ septo-coste. 
Fig. 6). A magnified view of a vertical section of the corallum, parallel to the direction of the 
septo-costae. 
Agaricia regularis, a part of the corallum ; natural size. 
Fig.’ 7a. The under surface of the corallum, with sub-concentric ridges. 
Fig. 7). The margina¥ part of the corallum ; magnified. 
. bs 2 * 
Hydnophora tenella, a part of the corallum ; natural size. 
Fig. 8a. A transverse section showing the thinness of the corallum. 
