APPENDIX. 
147 
1. Cbisularia, p. 111. 
Epistomia, p. 83, should be arranged in this family. See Busk, 
Rep. Misc. Soc. 1848, 14. 
The following exotic genera appear to belong to this family : — 
Selbia, Gray, Dieffenbach, New Zealand, ii. 292, 1843. S. Ze- 
landica. 
Halophila, Gray, l. c. ii. 292, 1843. H. Johnstonise. 
Caberea, Lamx. Corall. 128, 1816; Blainv. 1830. Cellularia, 
sp. Lamk. Hist. 1816. Cab. dichotoma. 
D. The polypes covered with a hard coriaceous external case of 
equal thickness throughout ; opening of the cell subapical, linear, 
transverse. 
Fam. 8. Microporidas, p. 115. 
Polype cells forming a crust, placed in a single layer in a quin- 
cunx manner. 
1. Micropora, p. 115. 
Coral crustaceous ; cells in a quincunx ; aperture linear and 
lunate. 
Order III. CALCAREA. 
{Polypes forming a calcareous coral.) 
Suborder I. CELLEPORINA, p. 115. 
Coral calcareous, the polypes covered with a calcareous external 
case of equal thickness throughout ; opening of the cell sub- 
apical, roundish. 
Fam. 9. Celleporid.®, p. 115. 
Polype cells placed side by side, forming an applied crust, or 
frondose, or branched, not jointed, polvpidom generally fur- 
nished with globular capsules. 
a. Cells attached, forming an anastomosing network without any 
crust ; ovarian cell globular (Savig. Pol. Egypt, t. f. 3). Hi p- 
POTHOINA, p. 115. 
1 . Hippothoa, p. 115. 
b . Cells side by side in a single layer, forming u crust. Lepra- 
liana, p. 116. 
Cribrilina, p. 116. 
Cells spongy, porous or cribellated, "placed side by side in a 
single series, only slightly thickened by age, uniform, decum- 
bent ; mouth superior, semilunar ; ovarian tube none. 
