P\l,\MV.KrS. 



91 



obsoletelv rugose ; about as long as the 3rd and 4th caudal 

 segments. Terga granular Laterally and posteriorly, smooth in 

 the middle, the Lust very sparsely granular in the middle. Sterna 



smooth, the last with tour weak crests. Tail about 3| times as 

 long as carapace, upper and lateral surface 

 of segments sparsely granular; superior and 

 inferior lateral crests of segments 1 ."> weakly 

 denticulate, inferior crests of -Hh weakly 

 subdenticulate posteriorly, upper surface of 

 5th somewhat coarsely granular at the sides ; 

 vesicle granular at the sides as well as below. 

 CheloB with humerus coarsely but not closely 

 granular above ; brachium almost entirely 

 smooth, with only a few granules in front ; 

 hand covered above with low round or elon- 

 gate, often anastomosing tubercles, and fur- 

 nished with four smooth longitudinal ridges ; 

 external portion of upper surface not vertical, 

 cutting the underhand at an acute angle ; 

 the inner edge studded with small tubercles, 

 smooth, compressed, and upturned at base of 

 immovable finger, the edge of which in its 

 posterior half is similarly compressed; lower surface very weakly 

 granular; immovable finger with a low crest; width of hand 

 about equal to movable finger and a little less than length of 

 carapace. Tarsal spines 4-5. Pectinal U nth 12-14 ($ , <$ ). 



Measurements in mm. — Total length loo, carapace 10, tail 53"5, 

 brachium 14-5, underhand 12'5, movable finger 15-5, width of 

 hand 14-5. 



Distribution. 8. India, Tanjore (Popert) ; Ceylon (Tern j>h ton). 



Fig. 28.— Hand of 

 Palamnceus gravi- 

 manus. tf . 



75. Palamnaeus liurus, Pocock, Jour. Bom. X. II. Soc. \i. p. 1 1 1. 

 1897; Kraep. Tterr., Scorp. etc. p. 115, 1899 (Heterometrus). 



2 . Colour of upper side and of tail a deep reddish brown, 

 darker on the abdomen beneath ; legs and vesicle yellow ; chebe 

 reddish brown. Carapace very finely granular at the sides, smooth 

 above, with frontal lobes slightly rugulose ; almost as long as the 

 first three caudal segments or as the 4th and 5th, considerablv 

 longer than 3rd and 4th. Terga smooth and polished, the last 

 subrugose at the sides, with a pair of piliferous tubercles on each 

 side. Sterna smooth and polished, the last with four smooth 

 crests. Tail short, scarcely three t imes as long as the carapace; 

 smooth, the keels at most roughened with punctures, and inferior 

 keels of 5th denticulate; vesicle small, smooth, merely punctured. 

 Chela with humerus coarsely granular in front, sparse! v above ; 

 brachium quite smooth, except for some coarse granules on the 

 front below ; baud covered above with a network of smooth ridges, 

 which pass into tubercles towards the inner edge and externally, 

 inner edge denticulate, lightly convex ; immovable finger with 



