148 
APPENDIX. 
Lepralia, p. 117. 
Cells calcareous, hard, placed side by side in a single series, 
only slightly thickened by age, decumbent ; mouth superior, 
semilunar; ovarian tubes none; ovicell globular, anterior, simple 
in front. 
* Mouth of cell unarmed. 
t Crust pierced between the cells. Spec. 1 . L. Jacotini. 
t Crust continued. Sp. 2. L. simplex. 
** Mouth of cell ciliated. Sp. 19 to 21. L. ciliata, &c. 
*** Mouth of cell with a spine on each side. Microstoma. 22. 
L. annulata. 
Herentia, p. 122. 
Cells calcareous, hard, placed side by side, forming a uniform 
crust, only slightly thickened by age, decumbent ; mouth su- 
perior, semicircular, with a cylindrical ovarian tube on one side 
below' the mouth ; ovicell globular, anterior. 
7 . Escharina, p. 123. 
Cells calcareous, hard, placed side by side in a single series, 
decumbent, uniform, only slightly thickened by age ; mouth 
subterminal, superior, with a triangular ovarian tube on each 
side ; ovicell globular, anterior. 
8. Escharella, p. 125. 
Cells hard, calcareous, placed side by side in a single series, 
not altered by age, forming an undefined crust ; the younger 
cells on the circumference decumbent, with a superior aperture ; 
the older cells in the middle of the crust sunk, confused, vesi- 
cular. A erustaceous Eschara. 
9. Discopora, p. 126. 
Cells calcareous, placed side by side, forming a crust only 
slightly thickened by age ; cells ovate, ascending, with a large 
round terminal mouth with a large tooth in front; ovarian 
tubes none ; ovicell none ? 
* 
11. PORELLA, p. 127. 
Coral erect, branched, vesicular, roundish, tips of branches com- 
pressed, with regular cells placed in a quincunx ; cells of the 
older part of the coral rounded. 
12. Celleporina, p. 128. 
Coral erustaceous, attached ; cells hard, calcareous, crowded, 
forming a circumscribed crust ; the younger cells in the cir- 
cumference decumbent, radiating, free at the end, the older 
cells in the centre crowded, ascending or suberect, united to- 
