56 CONCHOLOGIA CESTRICA. 
of the shell; aperture rounded, with the margin reflected, 
flattened, white. H. 4%, W. 2, mill. 
Station, in grass fields, and often under stones, and 
loose bark. Chester County ; common. 
L. fallax, Say. 
ne Pupa fallax, "Say, Jour. Acad. (Pinla Biss; 
Fig.103. V., 1825. 
Shell conical, acute; suture deep; whorls 6, 
the last, one-third wider than the preceding 
one, and more than half the entire length; 
aperture oval; the margin sub-revolute, but not 

flattened, unicolored; columella rectilinear, 
longitudinal. H. 4%, W. 2%, mill. 
Station, under bark, near Philadelphia. (Tryon.) 
L. armifera, SAY. 
L. armifera, en- Pupa armifera, Say, Jour. Acad. Phila. 
larged. —|B. & B.] is 
Fig, 104, Sy 4 lease, 

Shell oblong-oval; whorls 6; lip re- 
flected, white, almost completing the 
circle; aperture nearly circular, cup- 
form, with four, or more, teeth — one on 
the pillar lip, large, prominent, one near 
the base, and two or three smaller ones, 
on the outer lip; umbilicus small. H. 
3%, W. 2, mill. 
Station, among grass, and under chips 
and stones, near streams. New Garden, Chester County ; 
common. 
L. contracta, Say. 
Pupa contracta, Say, Jour. Acad. Phila. <F.’S, 0m 
1822. 
’ 
