40 
CLASS L— ORDER I. 
very distinct globular cells, that have an oblique 
opening. 
Found situated as the preceding. 
RING. 
12. Cellepor k annularis. Cells oval, and slightly 
projecting, forming parallel rings round the steins of 
the thalassiophytes : opening surrounded by some glo- 
bular tubercles. 
On the Gelidium concatenatum of the French coasts. 
POUNCE. 
13. Cellepora pumicosa . Rough to the touch, and 
fragile. Cells globular, with a thorn at the border of 
their openings. 
Variety. Almost without a thorn. In the Euro- 
pean seas. Variety from the Cape of Good Hope. 
On Thalassiophytes. 
CRIMSON. 
14. Cellepora coccinea . Cells urceolated, and 
punctured ; opening with a single short tooth, placed 
on the upper part. 
On the coast of Heligoland. 
CALIX. 
15. Cellepora caliciformis. Cells nearly oval, with 
a rugged surface ; opening large at the top of each 
cell, and garnished with several teeth. 
On the Thalassiophytes of the bay of Cadiz. 
