Bulletin - United States National Museum - Smithsonian Institution

SOUTH AFRICAN MARINE MOLLUSKS. 53
Genus BULLIA Gray.
BULLIA ANNULATA Lamarck.
Cat. No. 101, U.S.N.M., four specimens collected by William
Stimpson on the North Pacific Exploring Expedition at Cape of
Good Hope. Cat. No. 98026, U.S.N.M., three from Albany. Cat.
No. 186767, U.S.N.M., four from Port Alfred (Coll. No. 128).
BULLIA TRIFASCIATA Smith.
Cat. No. 186764, U.S.N.M., three from Port Alfred (Coll. No. 125).
BULLIA AEPYNOTA, new species.
Plate 35, fig. 5.
Shell elongate-conic, light yellow. Nuclear whorls decollated.
Postnuclear whorls strongly, tabulatedly shouldered at the summit
after the second turn. First two turns feebly rounded, the remain-
der slightly concave in the middle between the sutures. Surface
marked by feeble, retractive lines of growth and well incised spiral
lines, which appear to be confined to the anterior two-thirds of the
whorls between the sutures. Sutures strongly marked by the flat-
tened shoulder at the summit. Periphery of the last whorl well
rounded. Base moderately long, rounded, marked by a few incised
spiral lines. Aperture with the posterior angle obtuse, channeled
anteriorly; outer lip thin; columella glazed with a thin callus.
The type, Cat. No. 250443, U.S.N.M., comes from Port Alfred
(Coll. No. 1316). It has seven postnuclear whorls and measures:
Length, 19 mm.; diameter, 6.5 mm.
BULLIA LARA, new species.
Plate 38, fig. 3.
Shell large, flesh colored. Nuclear whorls decollated. Postnuclear
whorls well rounded, with a rounded shoulder at the summit, marked
between the sutures by equal and equally spaced, incised, spiral lines,
which are strongest at the anterior two-thirds. Sutures constricted,
Aperture large, channeled anteriorly. Posterior angle obtuse; outer
lip thin; columella stout and curved; parietal wall glazed with a
thin callus.
The type, Cat. No. 249737, U.S.N.M., comes from Port Alfred
(Coll. No. 1009). It has eight postnuclear whorls and measures:
Length, 38 mm.; diameter, 19 mm. Cat. No. 250443a another specimen
from the same place (Cat. No. 1316