508 
MOLLUSCA. 
tliree hundred tons of th&m were imported into Liverpool for this purpose. The Map Cowry, 
C. ?nappa, found in the Indian Ocean, is 
handsomely marked. Other species are the 
Tiger Cowry, Mole Cowry, Children's 
Cowry, Blotched Cowry, &c. 
Besides the living ones, there are seventy- 
eight known species of fossil Cyprceidse. 
THE CONID^. 
These have the shell inversely conical ; in 
the animal the head is produced, the tentacles 
far apart, and eyes on the tentacles. There 
are two hundred and sixty-nine known species, 
found in all tropical seas. They inhabit fis- 
sures and holes of rocks, and the warm and 
shallow pools inside of coral reefs. They 
move slowly, and sometimes bite when han- 
dled. All are predacious. Some of the shells are beautiful, and have been sold for enormous prices. 
VOLUTA 0NDULATA. BISHOP's MITKE SHELL. 
THE VOLUTID^. 
Genus VOLUTA : Valuta. — This includes numerous living as well as fossil species ; among 
the former are the V. undulata, V. musica, V. vesperiilio, V. Brasiliana, &c. Many of the Vo- 
lutidae are very beautifully marked. 
Genus MITE.A : JMitra, includes the Mitre Shells, one of which, the Bishop's Mitre Shell, 
M. episcopalis, is noted for a very long proboscis, sometimes twice the length of the shell. The 
latter is turretted, smooth, white, and spotted with light red. It is found in the seas of the East 
Indies and some of the Polynesian Islands. 
THE MAP COWET. 
