29 
extending a pair of membranes adhering to the 
top of its longest arms, has the power of sailing- 
on the surface of the sea.* 
Agate and zebra snails : one of these being 
polished appears of a beautiful rose colour. 
(Div . 2.) Cone shells; a very rich assort¬ 
ment : among these are the admirals : the most 
remarkable of which are the orange admiral* 
and the Cedo nulii : porcelain shells or cowries ; 
the argus cowry, and the orange cowry ; the 
latter from New Holland ; sea ears, which are 
Usually of an obscure colour externally, but of 
a bright pearl-colour internally; when uncoated 
and polished the outside appears highly brilliarit. 
(Div. 3.) Snails properly so called, of various 
kinds; one of the most remarkable is the ringent 
or grinning snail, having the opening divided by 
tooth-like processes. 
Muricesj among which is the Murex tribuliis 
or thorny-woodcock shell: several trochi, ne- 
rites, &c. 
(Div. 4.) The carrier trochus, covered with 
fragments of stone ; the wentle-trap ; mitres; a 
music shell ; the great oriental volute, or Yoluta 
K magnifica ; 
* For an ample, as well as accurate, description of this curi¬ 
ous animal, consult the third volume of the Molluscs, in Sounini’* 
enlarged edition of the Works cf Buffom 
ROOM IX 
Nat. Hist 
TABLE 
1 . 
