- and the
sides of the ribs
themselves are
carved or
etched with fine,
subobsolete spiral lines. The
aperture is linear-elliptical. The
outer lip is somewhat...
- one at the
middle of the wing,
reaching beyond the fold and two
other subobsolete streaks perpendicular to these, all
together forming a
faint inverted...
-
brownish oblique fascia. The
hindwings are
whitish cinereous, with two
subobsolete brownish costal streaks before the apex. funet.fi Trans. Ent. Soc. 1881...
- the
embryonic whorls are
covered with
close retractive radial striae (
subobsolete in T. fosteri)."
Species within the
genus Xolotrema include: Xolotrema...
- a
discoidal shape. The 4½
whorls are
ornamented with
several spiral subobsolete lirae. The
umbilicus is open. The
aperture is
almost circular, reflexed...
-
below the middle, then indented. The
space beyond is grey with the
lines subobsolete and the
outer line is treble,
marked on the
costa mainly and followed...
-
impressed varical streak. In
addition to this
there appear five very fine
subobsolete raised spiral threads between the
sutures which lend the
surface a very...
- antemarginal.
Patch before the apex of the cell narrow, dark green,
subobsolete. Cell
black green.
Discal area
glossy dark green.
Distal border broad...
-
prominent on the body whorl,
where the
longitudinal ones are
usually subobsolete. This
species occurs in the
Atlantic Ocean off West Africa, and particularly...
- the body whorl.
There is
usually visible a
secondary sculpture of fine
subobsolete radiating wrinkles. The flat base of the s**** is very
obsoletely lirate...
