and inner half studded with small horny papillas, outer and posterior areas have
sparsely distributed, large tubercles, with an interrupted row along the posterior border.
Dorsal bristles stout, moderately long, and slightly curved, with closely arranged spinous
rows and a short, smooth tip. Ventral bristles bifid, the secondary process coming off
at an angle. Dorsal cirri appear to be fusiform—from the gradual nature , of the
dilatation and the long filiform tip, and have clavate cilia. Ventral cirri slender, with a
few clavate cilia.
S ynonyms.
1885. Harmothoe Haliaeti (partim), McIntosh. ‘ Challenger5 Annel., p. 96.
1896. „ Fraser-Thomsoni, McIntosh. Sc. Proceed. R. Dab. Soc., vol. viii, n. s., p. 401.
HabitatUDreAgeA in the ‘ Knight Errant * in 1880, in the Atlantic, at a depth of
fifty-three fathoms, and procured by Prof. Haddon in the Royal Irish Academy’s
Expedition, July 15th, 1886, in ninety-three fathoms off the south-west coast of Ireland
—along with Malmgrenia castanea, which occurred on Spatangus raschii.
The head (Plate XXVIII, fig. 7) somewhat resembles that of Lagisca, having a pair
of well-marked and widely separated eyes posteriorly, and a larger pair still more widely
separated on the anterior lateral prominence, looking laterally and dorsally. Both pairs
are conspicuous from the dorsum. The head terminates anteriorly in sharp peaks on
each side of the median tentacle. The lateral are brownish, subulate, and with a long
filamentous tip. The palpi appear to be of moderate length, and-to have rows of minute
papillse, but they had been dried.
The body is of moderate breadth and of considerable length, narrowed abruptly in
front, but—from the middle—gradually diminishing posteriorly. The bristled segments
seem to amount to thirty-nine or forty. The brownish pigment of the dorsum posteriorly
is very prettily arranged in lozenges and touches, as often seen in species of Lagisca.
The lateral eminences for the segmental apertures are well marked, and a small papilla
projects between the feet.
The scales (Plate XXXII, fig. 11) number fifteen pairs, and are thin, translucent, and
cover the dorsum. The first pair are small, rounded, and studded with minute
spines and tubercles. Few seem to be reniform, the majority being ovoid. The border
is smooth throughout. The anterior and inner half is densely covered with small horny
papilUe or tubercles, while the outer area and that behind the scar for the pedicle have
large tubercles sparsely distributed. The small tubercles are grouped with a few
larger spines along the outer edge, while the posterior border is marked by about eight
large blunt spines or tubercles. Some of the latter under pressure project a little
beyond the posterior border, but no trace of cilia exists. Such scales thus differ quite
from those mentioned by Mr. Homell, so that two species are involved. The scales are
mottled with brown, best marked round the scar for attachment.
Feet.—The first' foot is not in a condition for description.
The second foot presents a dense tuft of short, strong, and very slightly curved
dorsal bristles with smooth tips, and distinct though closely arranged spinous rows.
Ventral cirri somewhat tumid at the base, and with a few comparatively long cilia.
The ventral bristles form two groups, a stronger upper series and a more slender inferior
group, both with longer and more tapered tips than the typical. The tips of most of the
upper series are spear-shaped, though in one or two a double contour is seen. The rows
of spines are boldly marked. The inferior group has very long tapering tips, which are
hair-like in their attenuation, and the spinous rows are finer than in the superior
bristles.
In the third foot the dorsal bristles have increased in size and strength, and the
terminal bare region is more distinct. While the upper and lower ventral bristles have
simple tips, the median show bifid tips. The feet gradually assume the typical condition
as we proceed backwards.
In the fully formed foot (Plate XXIX, fig. 15) the dorsal branch bears a series of
moderately elongate and stout dorsal bristles with closely arranged spinous rows, only a
short portion at the tip being smooth. The curvature is slight (Plate XXXIX, fig. 4).
The ventral bristles are of average length, the upper series with long spinous regions
and simple tips, the next with shorter spinous rows and bifid tips (Plate XXXIX, fig. 5).
The tips in the stouter forms are slightly hooked, and the secondary process comes off at
an angle. Only in the upper forms with the longer distal regions does the secondary
process form a small angle. At the ventral edge of the series the spinous region
becomes much shorter, but almost all are bifid.
These bristles differ from those of Harmothoe Haliaeti.
I he dorsal cirri are somewhat slender and elongate, with a slight swelling—marked
on each side by a brown bar below the long filamentous tip. They are sparsely covered
with clavate cilia, the longest of which scarcely attain half the diameter of the thickest
part of the cirrus. The posterior cirri are very slender throughout. The ventral cirri
are rather small and slender, and have a few short clavate cilia.
Loxosomse occur on the skin of the dorsal division of the feet, and also on some of
the dorsal bristles (Plate XXXIX, fig. 6).
8.- Harmothoe marphys2E, McIntosh, 1876.
Specific Gharacters.—Head elongated, rounded in front, widest posteriorly. Eyes
small, the larger anterior pair further apart and situated laterally in front of the middle
line. Posterior pair in front of the nuchal collar. Median tentacle short, with clavate
cilia; lateral short, with filiform tips and a few cla-vate cilia. Palpi (in spirit) short and
stout, with delicately tapered tips. The tentacular and dorsal cirri are comparatively
short and slender, and the tips finely pointed. A few clavate cilia occur on the surface.
Body somewhat elongate, about three quarters of an inch, and with thirty-two to thirty-
three bristle-bearing segments. The feet increase in bulk after the twelfth (sexual).
Scales thirteen or fourteen pairs (it may be fifteen), smooth under a lens, but under a high
power showing widely separated horny papillaa. In shape they are rounded in front,
reniform or ovoid posteriorly. Dorsal division of the foot little developed, and the tuft
of bristles minute. Ventral bristles with short spinous regions and mostly with bifid