obtained during the Cruise of the * Oceana.’ 19 
Eucheta spinosa, Giesbrecht. 
1892. Eucheta spinosa, Giesbrecht, F. Fl. Neapel, vol. xix. p. 246. 
A few specimens of this species, all females, occurred at 
twe stations at depths of 950 and 1070 fathoms. 
Eucheta oceana, sp. un. (PI. II. figs. 1-9.) 
Length 6 millim. Cephalothorax (fig. 1) ovate, 4- 
jointed, first joint longer than the following three put 
together. Aniteriorly there is a rounded central knob be- 
tween the antenne. Rostrum arising dorsally and looking 
hke a central thorn. Eyes prominent. Anterior antennze 
of the male 21-jointed, the relative lengths being as follows :— 
1234567 8 9 1011 12 18 14 18 16 17 18 19 20 21 
are weer onlOnsn eon 4) on on 6. 6) IP 16No Sg 
Short sete extend along the upper surface, with long stout 
ones on the third, eighth, and twelfth joints. On the third 
to eighth joints are triangular-shaped papille (fig. 2)—two 
on each joint—a thin hair springing from the centre of 
each, the apex having a granular appearance. ‘The branches 
of the posterior antenne (fig. 3) are of nearly equal length. 
Mazxilla (fig. 4) has numerous long stout bristles. Mandible 
(fig. 5) altogether devoid of any biting part, as is also the 
case with most species of Hucheta. First pair of foot-jaws 
appear to be entirely absent, which is also a feature of the 
males of other species of this genus. The outer branch of 
the first four pairs of swimming-feet is 3-joiuted. Inner 
branch of first pair (fig. 7} 1-jointed, second pair 2-jointed, 
aud third and fourth pairs (fig. 8) 3-jointed. Fifth pair 
long and prehensile (fig. 9) ; the inner joint of each foot is 
1-jointed. The right outer branch is 3-jointed, terminating 
in a strong spine. The left branch is 4-jointed, terminating 
in a strong spine, with fine sete on the inner side near the 
apex and a small spine. Abdomen 5-jointed, the first 
segment very small. Caudal segments are rather longer 
than the breadth, and have a pair of small rounded papille 
between them. 
Three specimens of this fine species (all males) were found 
in three separate bottles taken at depths of 1190 to 1670. 
fathoms. None appeared to be fully matured, the figures 
being taken from the one most fully developed. The 
rostrum, anterior antenne, and fifth feet are the chief 
distinguishing features of this species. 
o% 
