60 
ZOOLOGY OF THE VOYAGE OE H.M.S. SAMABANG. 
oar national collection in the form of Noiopm darsipee, De Haan, was obtained by us in the 
province of Unsang in Borneo, and a new genus (Comonetut, also rewarded our exei 
while examining the same locality. 
1. COSMONOTUS, Adams 8f White. 
Tima, ovalis, antic acuminates, l.teribus .aide compressis, in linel media carinS prominente, later- 
ibus integris, angulo latero-anteriore spind brevi acuta. 
From profuude incisa, ad latera spina parva acuta. 
Chela trigonales, interne plan®, externe convex®. 
Abdomen (maris) articulis septem, articulo ultimo trigonali. 
Carapace oval, very much compressed laterally, especially in front, with a distinct pro- 
minent keel extending down the middle line, very strongly marked m front, but fainter 
P0Ste »Mi with a very small spine on each side of a deep angular notch, in which are placed 
^Ze-legs strong, triangular, the upper claw arched, the lower claw small and dentated 
on the edge. 
Abdomen (in the male) seven -jointed. 
1. COSMONOTUS GRAYII, Adams Sf White. (Tab. XIII. Tig. 3-) 
Thor ace punctis multis depressis obsito. 
Frnnte valde incisa externe spina parva acuta. . 
Chelis trigonalibus brachio infra piano, externe convexo Uneis multis transversis interrupt*, supra cannato 
T fimbriato interne concavo, carpo incurvato subcompresso, externe convexo, interne spina obtusa, manu 
Tomi)ress& aspem margine superiore arcuato ; digito inferiore angusto, elongate dente robusto prope 
Ixteemitatem', digito inferiore M*. bcumto ; pcdibus posterioribus graeilibus brevrbus. 
IIab. Borneonem. 
Carapace about an inch in length and half an inch wide, covered with numerous minute 
<leP XlSrSonal, the third joint plane on the under surface the exterior convex with 
transverse, interrupted, engraved or impressed lines, the upper angle covered with long thick 
hairs the inner surface concave; the fourth joint incurved, sub-compressed convex externa ly, 
te ionvex internally, ending above and in front in a blunt spine ; fifth jomt compressed 
elevated with the upper edge arched, but not so sharp as in Nohpm ; the sides convex and 
covered with asperities or minutely denticulated ridges, interrupted and transverse ; upper 
claw narrow, compressed, elongated, with a sharp apex, and a strong tooth near the distal 
“‘““erf short and weak as in Notopu . » ; the first tibia bicarinated ; the tarsus subquadrate, 
anteriorly bicarinate, with a scalpel-shaped claw; the second tibia one-keeled, with the tarsus 
