28 
ROOM IX. 
Nat. Hist. 
naria, and Pterotrachea 5 and some of the Gasteropodous 
Mollusca, which walk on a flat expanded disk, including 
the Slugs, and the animals which inhabit spiral shells. 
Cases 10 and 11 contain the continuation of the 
Gasteropodous Mollusca. 
Case 12. The animals of Bivalve Shells, shewing the 
various forms observed in the different genera. Those 
of the Pearl Oyster, from the Island of St. Christopher, 
with some fine large pearls imbedded in their bodies, 
deserve particular attention. On the lower shelves are the 
tunicated animals, as the genera Biphora, Ascidia, &c. 
In Case 13 are Radiated animals preserved in spirits, 
as Sea Wigs (Comatula J, Sea Stars, or Star Fish 
(Asterias) , and Medusa’s Heads (Alecto), with 
their finely divided arms, with which they filter the 
water, to separate the small mollusca on which they 
feed. The Lizard-tailed Star Fish (Ophiura), which 
attach themselves to coral by their flexible arms; the 
Sea Eggs (Echinus), and Sea Hearts (SpatangusJ, the 
Sea Demons, &c.; Sea Cucumbers (Hololhuria), 
some of which are much sought after by the Chinese, 
as delicacies; and lastly, the genus Siphunculus. 
Case 14 contains the soft radiated animals, as Me¬ 
dusae, Physaliae, Velellae, and Actiniae, and the animals 
of various kinds of Sea Pens, Corals, and Corallines, 
and also some Coralloid plants, preserved in spirits. 
Cases 15 and 16, between the windows, contain some 
preserved Saurian and Ophidian Reptiles and Amphibia; 
as several species of Monitors ; the Guana, used as 
food in the West Indies, the Frilled Lizard (Clilamy - 
dosaurus) } from New Floliand, which has a large ruff' 
on each side of its neck, just before the shoulders. 
The Sea Snakes, with flat lanceolate tails, and se¬ 
veral specimens of the Cabra Capella, one of the most 
venomous of the serpent tribe. Over this Case is a 
large Indian Tortoise. 
The Table Cases contain Crustacea, Arachnida, 
and Insects. 
Nos. 
