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several minute scattered spinules in the centre and a triangle 
of spinules above and another below, in each case the apex 
pointing backward. The sharply-marked cardiac region has 
two successive pairs of prominent spines, followed by a solitary 
one. A sharp spine marks the outer angle of the orbit. To 
this succeed, bordering the hepatic region, a moderate, a very 
small, and a large spine. At the cervical groove the carapace 
is angled inwards, widening greatly at the branchial regions, 
with eleven very unequal spines running round the margin on 
either side, seven large spines interspersed with some small 
spines and various spinules surmounting the space occupied by 
each branchial region in combination with half of the intestinal 
region, the longest spines apart from the rostral being on the 
rear half of the carapace. The hind margin is fringed with 
several little nodules besides two or three pairs of spinules. 
The second segment of the pleon has a dozen spines on the centre 
compartment, with a somewhat larger number on the left, and 
a smaller number on the right hand compartment. The left 
hand plates of the next three segments are prickly with spines, 
and so much widened that they drive the small sixth and 
seventh segments to le along the base of the first walking-leg 
on the right. The narrow, distorted remainder of the three 
middle segments presents a close mass of nodular spines, of 
which the largest are turned outwards to the right. The sixth 
segment carries a few small spines and spinules. 
The eye-stalks are slightly spinulose, short, reaching little 
beyond the external orbital spine. The eyes are dark, the 
cornea ventrally situated. The inner antennae do not reach 
much beyond the rostrum. The second joint is on the outer 
side produced into a spine which reaches beyond the penultimate 
joint of the peduncle in the outer antennae, this joint having a 
short apical upward-pointing spine on the right antenna, but 
not on the left. The stouter right cheliped measured 191 mm. 
in length, the hand being 79 mm. long, with a greatest breadth 
at the base of the finger of 30 mm. The finger, which does not 
quite reach the extremity of the thumb, is 40 mm. long. The 
left cheliped, 195 mm. long, has a hand 73 mm. in length, 22 in 
greatest breadth, the finger 42 mm. long. The finger and thumb 
in the right chela are bordered within till near the apex with 
long nodules of ivory white. These are not found on the 
smaller chela, in which the finger has much of the edge straight 
and sharp, while the thumb has distally a series of low teeth, 
not pointed but broad. On the ventral surface the chelipeds 
have only small spines or spinules, the largest being placed 
distally on the third joint. In dorsal view the fourth joint 
shows two large spines on the distal margin, and a sub-apical 
