152 CONCHOLOGY. 
6. Genus Conus. Pl. XII. 
Animal. Elongated, much compressed, involute; foot small, 
oval, long, widest in front, where it is edged by a transverse fur- 
row; head tolerably distinct; tentacula cylindrical, having the 
eyes near their summit, which is setaceous; mouth at the bot- 
tom of a long labial trunk; a somewhat short tongue, although 
projecting into the visceral cavity, and bristled with long styly- 
form hooks in two rows. 
Shell. Covered with a periosteal membrane, thick, solid, invo- 
lute, conical ; summit of the cone anterior, spire slightly projecting, 
or not at all; a very narrow longitudinal aperture ; external edge 
straight and trenchant; the internal also straight with oblique 
folds in its anterior portion ; a very small horny operculum, sub- 
spirated, with a terminal summit. Found in the Australian and 
Mediterranean seas. One hundred and eighty-one species. 
Conus Bandanus, Conus betulinus. 
C. Nicobaricus. C. puncticulatus. 
C. zonatus. C. Proteus. 
C. fuscatus. C. augur. 
C, regius. C. nivosus. 
marmoreus. C. acuminatus, 
nocturnus. C. Janus. 
C. lithoglyphus. 
imperialis. C. venulatus. 
viridulus. C. muscosus. 
tulipa. C. Mozambicus. 
C. Franciscanus. 
araneosus. 
punctatus. 
musicus. C. rattus. 
Barbadensis. 
geographicus. 
teniatus. 
miliaris. 
lividus. 
roseus. 
cedo-nulli. 
C. 
C. 
C. 
C. 
C. 
Oe 
C. 
C. 
C. mus. 
CG 
C. 
Cc. 
C. 
C: 
C. 
C. 
C. nebulosus. 
C. amabilis. 
C. nobilis. 
C. terminus. 
C. gubernator. 
C. terebra. 
C. raphanus. 
C. spectrum. 
C. leoninus. 
C. pertusus. 
