94 
room xi. Seven Eyes, and the skin under the tail forms 
a kind of fin. Their mouth is armed with 
teeth. 
The Gastrobranchus differs from the Lam¬ 
prey, in the tongue only being armed with 
teeth, like the Lobworms {Nereis). These ani¬ 
mals emit such a quantity of mucus through the 
pores of the lateral lines, that it converts the 
water in which it is placed into a jelly. 
Cases No. 9—23 contain the general col¬ 
lection of Fish preserved in spirits. They are 
at present under arrangement: when finished, 
they will be disposed in the same order as the 
Dry fish. 
The Table Cases in the centre of the room 
• contain the continuation of the collection of 
Radiated animals. 
The Tables No. 1—8 contain the Animal 
Flowers, or Zoantharia, and the stellated corals 
which they form for the protection of their soft 
bodies. These animals have a regular flower¬ 
shaped, very contractile body, with a single 
opening to their digestive cavity. Their mouth 
is surrounded by numerous variously shaped 
tentacula. The body is very soft, of a uniform 
cellular texture, and usually covered with a 
coloured coat. The digestive cavity is lined 
inside with longitudinal membranaceous folds. 
The tentacula are cylindrical and tubular, placed 
in a single or multiple series round the mouth, or 
on 
