XIV 
ILLUSTEATIONS. 
Fig. 69. 
70. 
71. 
?? 
•n 
72. 
73. 
?5 
55 
74. 
75. 
Lichenopora stellata (Goldf.), compound zoarium in 
suhcariosa stage, side view . . . . . 
L. stellata (Goldf. ), the same zoarium, upper surface . 
L. stellata (Goldf.), compound zoarium in cariosa and 
suhcariosa stages, side view ..... 
L. stellata (Goldf.), the same zoarium, upper surface . 
Tholopora colUgata (Greg.), </, zoarium ; 6, a single 
column ......... 
Radiopora neocomiensis (d’Orb.), vertical section 
R. neocomiensis (d'Orb.), horizontal section . 
J'.AGE 
253 
253 
254 
254 
275 
285 
285 
EERATUM. 
p. 34, line 9 from end, for JDomopora read Tholopora. 
