G. CELLEPORA. 
* 39 
PIERCED. 
6. Cellepora pertea. Concretions forming round 
patches from one to two centimetres in diameter,. 
Cells gibbous, with a small round mouth. 
On the Thalassiophytes of European seas. 
LIPS-FORMED. 
7. Cellepora labiata . Cells egg-shaped, rayed, and 
imbricated : opening large, and formed like two lips, 
the upper arched, the lower shorter, and more straight. 
—Plate 1. fig. 2. 
Australasia. 
8. Cellepora manguevillana . Surface of the cells 
covered with tubercles, invisible to the naked eye, and 
placed in vertical lines.— Plate 1. fig. 8. 
Bay of Cadiz. 
WARTY. 
9. Cellepora verrucosa . Cells in globular or oval 
masses ; openings slightly three-toothed. 
European seas. 
FOSSIL. 
10. Cellepora megastoma . Incrustations irregu- 
lar, but not wide-spreading expansions. Cells very 
distinct and oval, with a very large opening, and al- 
most central. 
On the fossil bodies found in the chalk formation 
in the vicinity of Paris. 
FOSSIL. 
11. Cellepora globulosa. Incrustations with 
