266 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
lip thin, simple, strongly protractive; body with a thin white callus; pillar short, 
very obliquely truncate anteriorly, more or less twisted but not pervious; canal 
short, wide, slightly recurved. Lon. of shell, 15.2; of last whorl, 10; of aper- 
ture, 7.5; max. diam. 6.5 mm. 
U.5. 5S. ‘ Albatross,” station 38392, Gulf of Panama, in 1270 fathoms, hard 
bottom, temperature 36°.4 F. U.S. N. Mus. 123,128; also at station 3407, near 
tle Galapagos Islands, in 885 fathoms, ooze, temperature 37°.2; and at station 
3392, Gulf of Panama, in 1270 fathoms, hard bottom ; temperature 36°.4. 
Gemmula esuriens var. pernodata Dat. 
Shell defective, about three whorls remaining, resembling the last species in a 
general way, having the median vermiculate band, similar periostracum, aperture 
and pillar, but differmg as follows: the whorls are separated by a deeper constric- 
tion; the fasciole less excavated and without spiral striae ; the basal spiral sculp- 
ture is hardly perceptible; the ribs are reduced to nodules in front of the suture 
and more obliquely protractive and irregular or even obsolete; the vermicular 
sculpture is more or less extended over the base. Lon. of last whorl, 14.0; of 
aperture, 10.0; max. diam. 8.7 mm. 
U.S. S. ‘ Albatross,” station 3414, southwest of Tehuantepec in the Pacific, 
in 2232 fathoms, green mud, temperature 38°.5 F. U.S. N. Mus. 123,127. 
These specimens are so badly eroded that in order to get the diagnostic charac- 
ters one has to study uneroded patches of surface, and, while the result is be- 
lieved to be accurate, it was impossible to get a draughtsman who could restore 
the shell so as to make a reliable figure, so it was thought better to omit the figure 
pending the receipt of better material. 
Gemmula herilda Da t, n. sp. 
Shell rather small, stout, solid, chalky under an olivaceous periostracum; the 
spire longer than the aperture; whorls at least eight in the adult but usually 
much eroded; summit of the spire apparently blunt, the whorls in the young 
short in their axial dimension, giving a “chunky” aspect to the shell; early 
whorls with two beaded spiral series or cordons one at the posterior suture, and 
another, larger, near the anterior suture. Between them is the anal fasciole; as 
the shell grows the anterior beaded cordon becomes situated more near the centre 
of the exposed whorl and (on the fourth whorl about twenty) the nodulations 
represent the posterior terminations of narrow very protractive axial riblets, 
which on the fifth whorl fade out on the base; the anal fasciole is conspicuously 
marked with arcuate, close, fine ripples; in front of the shoulder in the young the 
whole base of the shell and canal are covered with close, fine, spiral threads, which 
as the shell grows older appear also on the anal fasciole; on the other hand in 
the older shells the nodular band next the suture and that at the periphery be- 
