856 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Legs unarmed; last two joints sparsely hairy; otherwise the crab is devoid of hair. 
Dimensions . — Length of male 9.2, width 14, fronto-orbital width 10.5 mm. 
Color, a very dark claret; legs with a few transverse bands of a lighter color. 
This species was founded on a very small specimen, in which the characters are much less pro- 
nounced than in the full-grown. 
Distribution . — Kaiwi channel, 14 fathoms, station 3469 (type locality); Aleunihana channel, 176 
to 49 fathoms, station 4066; vicinity of Modu Manu, 21 to 26 fathoms, stations 4147, 4169. 
Xanthias canaliculatus, sp. nov. 
(PI. ix, fig. 12.) 
Surface smooth and shining, irregularly and sparingly punctate. A groove marks off the orbital 
region and the first two antero-lateral lobes. Gastric region partially limited laterally; only the ante- 
rior end of the mesogastric indicated. A short groove running in from the penult sinus of the lateral 
margin halfway to the gastric region; a still shorter groove running in from the last sinus. Epigastric 
lobes and outer half of protogastric lobes emphasized by grooves in front of them. 
Front one-third width of carapace, deflexed, so that the true edge is scarcely visible from above, 
with a submarginal groove; bilobed, outer corner pronounced but obtusangular, fused with orbital 
angle. Orbital margin smooth, three outer furrows shallow; inner lower lobe rounded. 
Antero-lateral teeth four, the first two shallow lobes, the first not separated 
from the orbital angle; the third and fourth dentiform, blunt, smoothly ridged. 
Basal antennal joint with its inner angle just touching the front; outer angle 
not nearly reaching the tip of the orbital tooth. 
Chelipeds equal, short, smooth, and punctate. Arm broader than long, above 
hairy and granulate; subterminal groove of wrist very, deep; a conical obtuse 
tooth at inner angle and below it a much smaller acute one. On outer face of 
palm three very deep longitudinal grooves forming corresponding smooth eleva- 
tions. Fingers (of female) narrow, rather long, fitting close together, dark brown. 
Legs smooth outside, very hairy above, last two joints hairy below,' merus joints with upper 
margin sharply granular. 
Dimensions.— Female, length 7.9, width 12.9 mm., fronto-orbital width 7.8 mm. 
Type locality. — Honolulu, 1901, 1 female (Gat. No. 25343). 
This species in its areolation, front and lateral teeth suggests the typical species of Lophozozymus, 
L. pictor, but the absence of crests and the great breadth across the front and orbits removes our 
species from that genus. The deeply fluted hands are its most striking characteristic. 
Micropanope sexlobata, sp. nov. 
(PL ix, fig. 13.) 
Carapace about two-thirds as long as broad, slightly convex. Regions well marked, the gastric 
and its three subdivisions, the cardiac and the intestinal; a groove runs inward from the penult lateral 
sinus to the gastric region; 1R and 2R are confluent, 3R is distinct; 4L is cut off from 5L, but the 
latter less completely from 6L; 1M bounded posteriorly by a faint groove. The grooves, besides being 
deeply impressed, are emphasized by a short pubescence. Surface covered with rather distant sharp 
granules, finer on the postero-medial portion. Transverse granular ridges traverse the anterior border 
of the epigastric lobes, the outer half of the protogastric region, and the hepatic region. 
Front a little more than one-third as wide as carapace, its anterior portion abruptly deflexed, so 
that in a strictly dorsal view the lower or true margin is not wholly visible; upper margin truncate, a 
median U sinus, edge ornamented; the oblique surface of the turned-down front is concave and of 
very slight depth; its lower or anterior margin, viewed obliquely from above, has a median U sinus; 
each lobe thus formed is subdivided into three, a narrow submedian lobe, a broad, rounded inter- 
mediate lobe, and a small outer triangular lobe which is bent down and just meets with its tip the 
basal antennal joint. A notch and groove separate the inner orbital angle. 
Fig. 17 .— Xanthias 
canaliculatus, chela 
of type female, x 2|. 
