146 
APPENDIX. 
3. Carbasea, p. 105. 
Coral frondose, expanded, lobed, with the cells only on one 
side; cells oblong, six-sided, in many series, narrow and trun- 
cated below, with smooth edges. 
4. Avicularia, p. 105. 
Coral linear, branched, forked, with the cells only on one side ; 
cells oblong, with a spine on each side of the aperture; ova- 
rial cells globular, large. 
5. Flabellaria, p. 106. 
Coral linear, branched, forked, with the cells only on one side, 
with scattered root-like fibres ; cells ovate, hexangular, trun- 
cated above, many-rowed ; edge spinose ; ovarial cells hemi- 
spherical. 
6. Annulipora, p. 107. 
Coral incrusting, membranaceous; cells shallow, ovate, circular, 
spinose on the edge, close together ; ovarial cells ? 
7. Flustrella, p. 108. 
Coral incrusting, defined, rather fleshy, spinulose ; cells shallow, 
ovate, spinose on the edge, rather far apart. 
b. Interspaces between the cells calcareous. 
8. CONOPEUM, p. 108. 
Coral incrusting, forming a regular roundish spot, formed of a 
single layer of regular cells placed close side by side, calcareous, 
rather vesicular ; cells rhombic, in a quincunx ; ovarial cells 
very small, globular. 
.9. Callopora, p. 109. 
Coral incrusting, forming a regular roundish spot formed of a 
single layer of regular cells placed side by side, those of the 
circumference being imperfect ; cells ovate, elongate, edged with 
crowded spines ; membranaceous above ; ovarial cells globular. 
10. Amphiblestrum, p. 110. 
Coral incrusting, spreading, formed of a single layer of regular 
cells placed side by side; cells elongate-oblong, four-sided, 
sides thick, calcareous, each defined with a slight groove above, 
upper surface membranaceous. 
Fam. 7 . Bugulid^, p. 110. 
Polype cells single or in pairs or threes, each group forming a 
joint of a jointed confervoid polypidom, having the aperture of 
the cells all on one side. 
