PYCNOGONIDA. 23 
except a distal fringe of long and slender ones. The palm of the chela occupies 
about half its length, and bears a number of fine setz dorsally. The fingers are 
long, slender, incurved at the tips, and provided with numerous slender teeth, 
irregular in size and not very closely set. 
The Palp arises laterally at the side of the proboscis (fig. 2a), and comprises the 
normal five joints, all of which, except the first, are very long and slender, the pro- 
portions being 10:10: 9:11. Sete are non-existent on the first two joints; on the 
third scanty, most numerous on the terminal joint, but not very thickly distributed 
there ; they are small, rather delicate, and occur mainly on the outer side of the limb. 
The Oviger has the normal ten joints, and arises on a small ventro-lateral body- 
process just in front of the first pair of lateral processes (fig. 2b). The first three joints 
are small, but progressively lengthen, the third having the usual oblique termination. 
The fourth joint is long, the fifth longer, and the sixth still long, though the shortest 
of these three, the proportions being about 7: 8:5. The sixth joint is rather thinly 
covered with small sete on its outer side, and has a well-developed distal fringe. 
The preceding joints have so few minute sete between them that they are scarcely 
noticeable. Of the four terminal joints, the first is about twice the length of the next ; 
the other three differ very little in size, but the middle one is the smallest. All are 
provided with a few small setee and distal fringes. The terminal claw bears a dozen 
slender teeth rather closely set. The denticulate spines form a single row (plate X., 
fig. 9). They consist of a stout shaft, which begins to taper at about a quarter of its 
length, where the denticulations begin. Of these there are from five to seven; the 
first is small, the next three large, and the remainder more or less vestigial. Of 
these spines there are 10 : 5 : 4 : 5 respectively on the various joints. 
The Legs are long and slender, attaining a length of nearly 45mm. The three 
coxee are long, the second being longer than the other two together ; these joints are 
rather scantily clothed with sete of no great length. The proportions of the following 
joints are 8°5 : 9°5 :12:4:3. ‘he terminal claw is very long and slender, more than 
half the length of the propodus, and there are no auxiliaries. The limb is clothed with 
setze, not very closely set, in a linear manner. On the femur and tibia they are very 
long and slender, becoming reduced in size on the tarsus, while on the propodus they 
are very small. 
Two examples of this species were taken off the Barrier in 300fm., bottom mud, 
27th January, 1902. 
NYMPHON ADAREANUM. 
(Plate III., fig. 3.) 
Specific characters :— 
Body smooth and slender, with lateral processes widely separated. 
Ocular tubercle short, rounded. 
Palps five-jointed, proportions of last three 2°5 : 1°25 : 1°75. 
Oviger ten-jointed, without denticulate spines, but with very few simple curved spines. 
Legs of moderate length, with rather long sete, terminal claw with two well-developed auxiliaries. 
VOL, III. P 
