EMBOSSED HORN. 
Though shells are amoRp: the most beau- 
tiful of natural objects, we have little informa- 
tion respeding much the greater pare of them. 
The animals by which many of them are in- 
habited were never seen: even the names are 
o-ften arbitrary, and som^etimes convey to but 
few minds any idea of the figure. 
This grand and beautiful shell appears to be 
of the family of the Glabosse, or Tuns : it is 
clearly a univalve; and, v/e conceive, is in- 
habited by some species of Sea Snaii. It i% , 
^escribed by Knorr, whose elegant figure we 
have adopted, as representing a large Horn,. 
I adorned with Protuberances, or Knobs — the 
Knobbed or Embossed Horn — and belonging 
[ to the species named by some naturalists the 
Oilmen, or Oil-Jars. It has a brilliant aperture 
|, resembling the Moon; which is covered by a' 
' shield, called the Sea Navel. To this shield 
the enclosed .animal so firmly adheres, by 
means of a small membrane, that the (Irongesc 
man cannot remove it while the little inhabi- 
tant of the shell remains alive. This shell, he 
informs us, has also received the nams, Eyes of 
the Moon-—" Yeux de la Lune" — because 
the ■ 
