E. B. Wilson—New genera of Pycnogonida. 201 
Oculiferous segment broad, as long as the two following seg- 
ments taken together, not emarginate between the bases of the 
antenne. Neck swollen. Posterior segment of body very 
slender. Abdomen rather more than twice as long as broad, 
slightly bifid at the extremity. 
Ocutiferous tubercle prominent, acute, placed on the anterior 
portion of the first segment. Eyes four, ovate, varying in 
color from light brown to black. 
Rostrum very large, longer than the oculiferous segment, con- 
stricted at base, thus appearing somewhat clavate. The extrem- 
ity is subglobose. 
Antenne hairy, long and slender, their bases closely approxi- 
mated. Basal joint. extending beyond extremity of rostrum. 
Chela stout, hairy. Dactylus very stout, smooth on margin. 
Ovigerous legs stout, roughened by 
minute tubercles, the outer joints with 
many strong hairs, most of which are di- 
rected backward. The two basal joints 
are very thick; the first is shorter than 
its width, the second about twice the 
rst. The succeeding joints are much 
more slender. The third is nearly two 
and a half the second, somewhat cla- 
vate, and suddenly constricted a short 
distance from the base. Fourth joint 
half the third. Fifth considerably less 
than fourth. Terminal joint much 
Fig. 1.—Anoplodactylus witus. 
Terminal joints of leg; 6, ov- 
igerous leg. 
considerably longer and clavate. The three following joints 
are much longer, the sixth being the longest. The seventh 
is a series of much smaller stout spines. The dactylus is stout, 
about two-thirds as long as the propodus. The whole surface 
of the body is scabrous. ‘The legs bear a few scattered hairs, 
which are more numerous on the outer joints. 
e genital orifices are situated on the lower side of the 
second joint of the legs, near the external margin. The sexes 
resemble each other closely except in the absence, in the male, 
of the ovigerous legs. ‘The males are also, as a rule, slightly 
larger than the females. ‘It is most frequently deep purple 
in color, but gray and brown specimens are often met with. 
( Verrill). 
This species is common in Vineyard Sound, but does not 
