252 Part IIT.—Nineteenth Annual Report 
similar to the hook observed in the male of that species (fig. 11) ; a further 
examination of the specimens showed, however, that they were the males 
of C. anglicus, Lubbock (fig. 11). Corycceus anglicus has also been 
obtained in a gathering from the Moray Firth, collected thirteen to 
fourteen miles north-east from Buckie, in 50 to 55 fathoms, on November 
3rd, and ina gathering collected off Aberdeen in 45 fathoms on the 7th 
of the same month, but the specimens were females. 
LICHOMOLGID2. 
Lichomolgus fucicolus (G. 8. Brady). 
_ One or two specimens of JZ. fucicolus occurred in a gathering col- 
jected in 72 fathoms in the Sound of Mull, March 31st, 1900. 
ASTEROCHERID &. 
Collocheres gractlicauda (G. S. Brady). 
This species was obtained in some dredged material collected near the 
head of Loch Eil in 10 to 15 fathoms, April 3rd, 1900. C. gractlicauda 
is a moderately rare species, but it has apparently an extensive distribu- 
tion. It has been recorded off the Yorkshire coast by Dr. Brady, from 
the Liverpool Bay district by Mr. I. C. Thompson, and also from the 
Firth of Forth; Dr. Canu has obtained it in the neighbourhood of 
Boulogne, and Dr, Giesbrecht in the Bay of Naples. 
INCERTA SEDIS. 
Cancerina, T. Scott (gen. nov.). 
Description of the genws.—Antennules short, six-jointed. Antenne 
small, and simple in structure, not fitted for grasping. Mandibles narrow 
and of moderate length, toothed on the distal half of the inner margins, 
and somewhat like the mandibles of Lerneopoda. First maxillipedes 
somewhat rudimentary, unprovided with terminal spines or claws. 
Second maxillipedes large and strong, armed with stout but very short 
terminal claws. Thoracic feet, two pairs, they both are somewhat alike, ° 
and each foot consists of a single biarticulated branch. As there is but 
the one species a detailed description will be found in the specific 
definition. 
Cancerina confusa, T. Scott (sp. n.). (Pl. XVIII, figs. 12-20.) 
Description of the female.—The length of the specimen represented 
by the figure is fully 1 mm., from the forehead to the end of the caudal 
furca. The cephalothorax, seen from above, is sub-rhomboidal in out- 
line. The cephalic segment is small, but moderately distinct; it is 
very short, being scarcely half as long as it is broad. The thorax, 
which appears to be unsegmented, is widest at about one-fourth of its 
length from the anterior end; from the widest part, the thorax, on 
each side, tapers towards both ends, the front slope is short and terminates 
at the cephalic segment, the posterior slope, which is longer and slightly 
sinuate, extends to the genital segment of the very short abdomen ; this 
segment is moderately broad, rather more so than the posterior part of 
the thorax to which it is adjacent; the remaining segment of the 
abdomen is very small, and the caudal furea, which are short, are placed 
