NATURAL HISTORY. 
(Utva DrapuHana.)  Ellis’s Corall. p. 87. t. 
52. Attached to Fuci and other marme sub- 
stances. Commen. 
SPONGIA. 1. Verrvucosa. Wern. Mem. 2. 
p. 117. t. 13. Coast of Devon.— Montagu. 
2. S. Tomentosa.  Ellis’s Corall. p. 80. t. 16. 
Common on rocks and on the stalks of the larger 
Fuci—‘‘ appears under a microscope to be com- 
posed of small bundles of minute transparent | 
fibres, so extremely fine and sharp, that they af- 
fect the skin like Cow-itch.”’ Eiilis, as referred 
to above. 
3. S. Sus-ertca. Wern. Mem. 2. p. 100. 
On old univalve shells. —Montagu. 
4. S. Paxrmata. Solander and Ellis’s Corali. 
p.1&9. n.10.t.58. In deep water along ths coast. 
2. CELLULIFERA. 
Polypi in calcareous cells —which are imperforate 
at the base. 
MILLEPORA. 1. LicnHenorpes,. Ellis’s Corall. 
p. 76, t. 27. d. D. Of commom occurrence— 
incrusting rocks, ke. 
2. M. PotymorpuHa. Ellis’s Corall. p. 76. t. 
276. Common on submarine rocks, &c. 
TUBIPORA. SERPENs. ilis’s Corall. p. 74. 
n. 6. t.27. Attached to Fuci corrallines, &c. 
Frequent. 
DISCOPORA. Verrucarra, Solander and 
