THE LAND SNAILS OF NEW ENGLAND, 543 
HELIX MULTIDENTATA Binney. (Fig. 33.) This is one 
of our most beautiful species. The shell is less than an 
eighth of an inch in diameter, the whorls Fig. 33. 
are six, very closely revolving, and at the @ QD 
base of the shell within are seen two or a 
more rows of teeth radiating from the umbilicus. The 
shell is of a very light horn-color, and the animal is often 
rosy white. It is extremely rare, having been found * 
but Sparingly in Maine, Vermont, New Hampshire, New 
York, and Ohio. 
Another charming shell, when viewed under a micro- 
Scope, is HELIX EXIGUA Stimpson. (Fig. 34.) The shell 
has four whorls, banded by numerous brs 
sharp ribs, and the spaces between marked 
with waved lines running parallel to the 
whorls, The umbilicus is very wide, and the color of the 
shell a decided greenish white. Diametér about one- 
tenth of an inch. This species occurs in nearly all the 
Northern States; in some places quite commonly. 
Heutx minuscuta Binney. (Fig. 35.) About the 
Size of the last-named species, having four whorls ; suture 
_ quite deep ; umbilicus large ; color white. Fig. 35. 
It is common in the West, but extremely 
rare in the Eastern States. It is said to 
be very common in grass in the gardens of Cincinnati, 
Ohio. Rey. E. Q. Bolles has recently found a number 
of specimens in the State of Maine. 
ELIX MILIUM Morse (Fig. 36) is a very minute spe- 
_ Cies; the whorls rapidly enlarge; umbilicus quite large. 
The i upper surface of the shell is reticu- - 36. 
lated by slightly raised ribs, and wavy ẹ 
revolving lines. The under surface is 
Shiny ; aat greenish-white. Diameter one-twentieth 
