SO OND 
16. 
17. 
PLATE VII. 
CORALS FORM BROCKENHU 
Balanophyliia granulata, Duncan. 
. The corallum fixed to a shell. 
. General view of the costz, magnified. 
. Larger or inferior end of the costa, magnified. 
. Costa higher up, magnified, to show their granules. 
. The rough and elevated granular surface of the smaller coste, magnified. 
Lobopsammia cariosa, Goldf., sp. 
. Lateral view of a corallum. 
. Coste, magnified. 
A corallum with fissiparous calices. 
. A fissiparous calice, magnified. 
. The base of a corallum. 
Axopora Michelim, Duncan. 
. Corallum. 
. Magnified view of calices, with the columella and coenenchyma. 
. Magnified view of corallites in longitudinal section. 
. Columella, tabulz, and ccenenchyma, highly magnified. 
. Longitudinal view of corallites in longitudinal section, magnified. 
are from a variety.) 
Litharea Brockenhursti, Duncan. 
Calices, magnified. 
A calice, highly magnified. 
RST. 
PAT 
(P. 48.) 
(P. 50.) 
(P. 49.) 
(Figs. 13 and 15 
