( 28 ) 
ROOM IX. 
Nat. Hist. 
CASES 
15. 
16. 
TABLE 
1 . 
Animal concretions; some human calculi; 
hair balls from cattle; a human skull and a 
Roman sword incrusted, found in the Tiber. 
Engraved nautili and other shells : and differ¬ 
ent marine productions. 
CRACHERODEAN COLLECTION OF SHELLS. 
In this table is deposited Mr. Cracherode’s 
valuable collection of shells. Among th^se some 
of the most remarkable are the following: 
Univalves. 
(Division 1.) A paper nautilus or argonaut 
shell, remarkable for the slightness of its fabric, 
and the elegance of its shape. It is inhabited by 
an animal not unlike a cuttle fish, which, by ex¬ 
tending 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 nulli: porcelain shells or cowries ; the 
argus cowry ; and the orange cowry, the latter 
from 
