106 
PRESERVING SHELLS. 
be desirable. The generic and specific names 
may be written beneath each species. The 
larger species may be arranged in drawers on 
layers of cotton, and their names gummed on 
them. 
Purchasers of shells should be on their 
guard against the deceptions often practised 
in polishing them, staining them of different 
colours, and altering their markings ; or, filing 
the mouth, &c. so as to completely alter the 
characters on which their specific distinctions 
depend. 
THE END. 
C. Wliittiugham, 21, Tooks Court, Chancery Lane, Lonuoii. 
