LAND SHELLS. 
221 
about a fourth of an inch long, and four-tenths 
wide, solid, of a grey or purplish yellow, with two 
or three rows of darker spots; the whorls are five 
in number, rounded, and strongly striated spirally; 
the aperture is circular, slightly angular above, 
and closed with a hard shelly operculum. 
The inhabitant of this beautiful shell has a very 
striking appearance (see fig. 28); the muzzle 
projects far beyond the body, and is used to 
Fig. 28 .—Cyclostoma elegans. 
assist the snail in climbing; the tentacles are 
annularly wrinkled, and terminated by brown 
bulbs; the eyes, in place of being situated at 
the extremity of the upper tentacles, as in the 
majority of the terrestrial mollusks, are placed on 
each side of the head at the bases of the tentacles; 
the foot is short and broad, and divided in its 
length by a groove; when the animal walks, the 
portion on the one side is advanced, the animal 
retaining its hold by the other, and then holds on 
by the advanced portion as the other is gradually 
brought in advance of it. “ This species present 
a most remarkable peculiarity in its anatomy, 
