LTCHAS. 41 



spot on each side of middle line, and subuiarginal yellow stripe ; 

 last tergum densely varied with black and yellow ; sterna black at 

 the sides, the last black on the keels ; tail ornamented with black 

 patches above, below, and at the sides ; vesicle lined with black 

 below; chelae with humerus and brachium black, spotted with 

 yellow ; bauds and fingers entirely yellow : legs also black, spotted 

 with yellow, yellower distally. Trunk and tail granular and cari- 

 uate as in L. tricarinatus, but no lateral keels on terga ; keels on 

 tail rather stronger, the median lateral on the 3rd being more 

 distinct, the superior lateral on the 1st stronger, with the dorsal 

 area of the segment rising considerably above it ; vesicle small as 

 in L. tricarinatus. Chelce with fingers much longer than in 

 L. tricarinatus, the movable more than twice the length of the 

 hand-back, toothed as in L. tricarinatus. Pectinal teeth 17-18. 



Measurements in mm. Total length 34, carapace 3'5, tail 18*5, 

 movable digit 4. 



Loc. S. India : Yercaud in the Shevaroy Hills (Henderson). 



23. Lychas shoplandi, Oates, Jour. Bom. N. H. Soc. iii, p. 246, fig. 7, 

 1888 ; ThoreU, Ann. Mus. Geneva, xxvii, p. 562, 1889 ; Pocock, 

 Jour. Linn. Soc., Zool. xxiii, p. 434, 1890 (Isometrus) ; Kraep. 

 Jb. Hamb. wiss. Anst. viii, p. 225, 1891 ; Pocock, Jour. Bom. N. 

 H. Soc. vii, p. 303, 1892 (Archisometrus). 



Nearly allied to L. tricarinatus, but with upper side of trunk 

 either entirely black or with faint yellow marks ; legs, chelae, and 

 upper side of tail reddish yellow ; lower side of caudal segments 

 with keels, area between median keels and posterior half of area 

 between median and lateral keels black. Upper side of trunk 

 more coarsely granular than in L. tricarinatus ; some large granules 

 along the front edge of the carapace and in front of the median 

 eyes ; lateral crests on terga represented by one or two larger 

 granules. Terminal granules of superior caudal keels not so large; 

 no distinct supero- lateral granular crest on the 5th segment; 

 vesicle distinctly larger. In the chelae the hand is more globular 

 and the fingers more curved, the movable being about twice or 

 less than twice the length of the underhand. 



Measurements in mm. Total length 58, carapace 5'8, tail 31, 

 movable finger 5. 



Loc. Lower Burma : Palone 53 miles north of Bangoon ; Entagaw 

 near Pegu (Oates) ; Prome (Fed). 



29. Lychas laevifrons, Pocock, Jour. Bom. N. H. Soc. xi, p. 113, 

 1897; Kraep. Tierr., Scorp. p. 50, 1899 (Archisometrus): shop- 

 landi, Pocock, Jour. Linn. Soc., Zool. xxiii, p. 435, 1891 ; id. Jour. 

 Bom. N. H. Soc. vii, p. 301, 1892 (Isometrus) (nee shoplandi, 

 Oates). 



Nearly allied to L. shoplandi, but the legs marbled with black ; 

 the terga marked with a yellow median keel, a patch of the same 

 on the postero-lateral angle, and yellow > < -shaped marks. The 



