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THE LAND SNAILS OF NEW ENGLAND. 671 
-white shell, with five convex whorls, tapering gradually 
to the apex. Aperture obliquely oval, bordered pig. 69, 
by a roundish, thickened margin. On the outer £ 
margin of the aperture, there is a tooth-like pro- 
jection, and on the inner margin there is another } 
more prominent. Length of shell 75 inch. Lives 
in very wet and boggy places in woods. Found 
in nearly all the States east of the Rocky Mountains. 
ALEXIA myosotis Drapanaud. (Fig. 70.) Shell ovate, 
conical, smooth, horn-color. Spire having six or seven 
whorls, making a short, elevated, pointed spire. Fig.70. 
Aperture long and narrow, having on the inner & 
margin two or more thin white teeth. Length 3% 
inch. Found in the crevices of old wharfs and sea-walls, 
below high-water mark. It is never found away from the 
salt water, and if it breathes air like the rest of the group, 
it must take in a supply at low tide. 
MELAMPUS BIDENTATUS Say. (Fig. 71.) Shell ovate, 
conic, whorls five, the last one three-fourths the length of 
the shell. Apex short; aperture having two folds rig.z1. 
A 
or teeth on its inner margin. Color brownish horn. f) 
In adult specimens the shell is whitened from ero- 
sion. Very young specimens are oftentimes or- 
namented by dark, revolving bands. Length not quite 
half an inch. Inhabits the salt-marshes of our coast, 
where they may be found by thousands just below high- 
water mark. It is found all along the coast to Florida, 
though extremely rare north of Massachusetts Bay. 
With this species we close the description of the Land 
Snails of New England as continued articles. In a future 
number of the Naruratist we hope to give an account 
of the Slugs or Snails without external shells. 
To those who have not the earlier numbers of the Nat- 
