THE LAND SNAILS OF NEW ENGLAND. 545 
of an inch; animal whitish. This species is closely allied 
to Helix pulchella, of Europe, and by many authors is con- 
sidered the same, though we believe them to be distinct. 
The two species have an extreme range through the 
northern hemisphere. It is found plentifully about old 
stone-walls in gardens, and in grass on banks of rivers. 
HELIX STRIATELLA Anthon, y. (Fig. 40.) Shell de- 
pressed, convex, thin; light horn-color. Whorls about 
four, with delicate oblique strie. Su- Fig 
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ture distinct; umbilicus very large ; 
lip thin. Diameter less than one- 
fourth of an inch. Animal lightish-blue above, with 
brownish dots. Creeping disk yellowish white. Occurs 
throughout the Northern States; very common in New 
England i in hard-wood growths, and under chips and logs ` 
by the country roadside. The shell is quickly recognized 
by its satin lustre, and the distinct striations upon its 
surface. 
Hex wasyrintuica Say. (Figs. 41, 42.) Shell 
minute, conic, apex obtuse ; brownish horn-color. Suture 
distinct; whorls six, with well-marked ribs Figs. 41, 42. 
following the lines of growth. Lip thick- : 
ened, oiai: base flat; umbilicus small. 
Within the aperture are six revolving ribs, 
terminating some ways within the aperture. 
Three of these are on the body whorl, one 
on the umbilicus region, and two at the 
base of the aperture. Under the micro- 
Scope, the three ribs on the body whorl are seen to be 
armed at intervals with numerous sharp-pointed proces- 
ses, pointing towards the aperture. Diameter of shell 
one-tenth of an inch. Animal bluish black. Found in 
nearly every State in the — 
AMERICAN NAT., VOL. L 
