Bulletin - United States National Museum - Smithsonian Institution

SOUTH AFRICAN MARINE MOLLUSKS. 33
Genus DONOVANIA Bucquoy, Dautzenberg, and Dollfus.
DONOVANIA STIMPSONI, new species.
Plate 3, fig. 3.
Shell brown. (Nuclear whorls decollated.) Post-nuclear whorls
well rounded with appressed summits. Axial sculpture reduced to
mere feeble indication of axial ribs. Spirally the whorls are marked
by equal and almost equally spaced, incised lines, of which six occur
between the sutures of the second and third, seven upon the fourth
and the penultimate turn. Upon the base, which is but slightly
attenuated, there are 10 incised spirals, those on the anterior extremity
being a little closer spaced than the rest. Sutures well im-
pressed. Aperture with the posterior angle acute; outer lip thin,
sinus scarcely indicated a little distance below the summit; columella
short, straight, covered by a thin callus which extends up on
the parietal wall.
The type, Cat. No. 132, U.S.N.M., was collected by William Stimpson
on the North Pacific Exploring Expedition at False Bay. It
has six whorls and measures: Length, 5.4 mm.; diameter, 2.1 mm.
Family CANCELLARIIDAE.
Genus CANCELLARIA Lamarck.
CANCELLARIA FOVEOLATA Sowerby.
Cat. No. 98016, U.S.N.M., one specimen from Peddie Coast, South
Africa. Cat. No. 1S6701, U.S.N.M., three specimens from Port
Alfred (Coll. No. 60).
CANCELLARIA SEMIDISJUNCTA Sowerby.
Cat. No. 186700, U.S.N.M., two specimens from Port Alfred (Coll.
No. 59).
This was described by Sowerby 1 as having been obtained by Cuming
from sandy mud at a depth of 25 fathoms at Cagayan, Mindanao,
Philippine Islands.
The figures given correspond so well with the specimen above listed,
and the fact that we did not secure this species in the Philippines
during the Albatross expedition, makes me wonder if the above cita-
tion of locality may not be erroneous.
CANCELLARIA DALLI, new species.
Plate 4, fig. 2.
Shell irregularly oval, horn-yellow variegated with rusty spots.
(Nuclear whorls decollated.) Post-nuclear whorls inflated, strongly
rounded with broad tabulated summits, marked by numerous, slender,
' Proc. Zool. Soc. London, p. 137, 1848.