314 Messrs. Alder and Hancock on a new genus and 
tractile, large and spreading, bipinnate, the central stem large 
and lying flat on the back. Head covered by a broad veil, pro- 
jecting frequently a little beyond the cloak in front. Foot large 
and thick, rounded before, and extending to a blunt pomt consi- 
derably beyond the cloak behind; the sides rather high. Length 
nearly an inch. 
One specimen was dredged near Berry Head in Torbay. 
Doris oblonga. Body rather convex, oblong-oyate, tapering 
behind. Cloak pale straw-coloured, freckled and spotted with 
umber-brown, densely spiculose, covered with moderate-sized, 
nearly equal conical papille. Tentacles rather thick and finely 
laminated, without sheaths. Branchial plumes seven, shortish 
and not much spreading, surrounded by a circle of large tubercles. 
Head furnished with a large veil. Foot narrowish, straight and 
slightly notched in front, not extending beyond the cloak behind. 
Length nearly half an inch. 
Obtained with the last. 
Goniodoris castanea. Body ovate, rather broad and flattish, of 
a reddish brown hue, covered with soft warty tubercles. Head 
bilobed, deeply simuated im the centre, arched and terminating 
in tentacular points at the sides. Cloak small, warty, the margin 
reflected all round ; interrupted behind. An elevated waved ridge 
runs down the centre of the back, intersected by a small trans- 
verse one about half-way down. Dorsal tentacles small, very 
broadly lamimated and truncated at the apex. Branchial plumes 
eight or nine, rather large, purplish brown, bipmnate, forming a 
complete circle round the vent. A waved tubercular ridge ex- 
tends down to the tail, which is rather obtuse. Foot broad, ex- 
tending much beyond the cloak, with a deep notch under the 
mouth in front, and rounded at the sides ; yellowish with a tinge 
of purple. The upper surface tuberculated like the rest of the 
body, the prominent parts bemg blotched with opake white. 
Length three-quarters of an inch. 
Under stones at low-water mark near the ruins of Salcombe 
Castle, Devonshire. 
Holis glauca. Body rather depressed, oblong, tapering to a 
fine point behind, of a pale brick-red, more intense towards the 
head. Dorsal tentacles moderately long and rather slender, ta- 
pering. Oral tentacles about the same length as the dorsal ones, 
set wide apart, whitish with a tinge of red. Branchiz numerous, 
rather stout, vermicular, tapering at the ends and depressed to- 
wards the base; of a pale sage-green colour, speckled with brown 
and opake white, and frequently with a reddish tinge near the 
apex ; arranged in about fourteen transverse rows on each side, 
leaving a bare space for about half-way down the back ; the front 
rows divided into clusters of two or three rows each. Foot pel- 
