18 HOW AND WHERE THE MONEY-SHELL LIVES. 
house near the smaller opening. Eyes it has 
none, nor any long tentacles or fishing-arms. 
The blood is red, sexes united, and the breathing 
organs a symmetrical pair. 
The food of these molluscs appears to be strictly 
of an animal character. Living, as I shall further 
on explain, in the sand, they wage war on and 
continually devour small bivalves, foraminifera, 
or any small marine zoophyte that. an unlucky 
destiny may chance to wash within reach of these 
submarine cannibals. 
The habit of the animal is to burrow in the sand, 
the small end of the shell being invariably down- 
wards, to live in water from four to eight fathoms 
in depth, and always to choose a sheltered har- 
bour or arm of the sea as its haunt. The large 
end of the shell placed close to the surface of the 
sand, allows the animal free scope to seize upon 
any unsuspicious wanderer that prowls near it. 
The dentalium I now more particularly allude 
to has been recently described by Dr. Baird, in a 
paper read before the Zoological Society, with 
notes on its habits and monetary value, appended 
by myself:— 
‘Amongst the objects of Natural History and 
Ethnology brought from Vancouver Island and 
British Columbia by Mr. Lord, is a belt composed 
