236 Mr. R. I. Pocock on 



on the sides of the neck, and by the entire nakedness of the 

 throat, wing and interfemoral membranes, and limbs. The 

 hind legs especially in C. latidens are clothed above to the 

 ankles, while in C. spadiceus they are wholly naked. 

 Colour dark rufous brown above and on the sides below, 

 paler on the neck and along the centre of the belly. 



Skull and dentition much as in the. allied species, except 

 that the, anterior premolars are deciduous, being absent in the 

 type ; the molar teeth above are larger and heavier, those 

 below are rather longer but not quite so broad, and the last 

 lower molar is slightly larger. The incisors number f and 

 are subequal in size, the inner ones above being very slightly 

 longer than, but of the same thickness as, the outer. 



Measurements of the type, an adult female, preserved as a 

 skin : — 



Head and body (stretched) 130 millirn. ; forearm 77 (=3*05 

 in.) ; thumb, including claw, 25 ; lower leg 27. 



Skull. — Greatest breadth 25; palate, length 19; front of 

 canine to back of last molar, above 13'6, below 15"7 ; ^iJ. 3*0 

 x 2-8, Vhl 2-5 x 2 3 ; ^ 3-0 x 2'9, sr§ 2 7 x 2-6. 



Bab. Baram, N.W. Borneo. Collected by Mr. Charles 

 Hose. 



XXXVIL — Report upon a small Collection of Scorpions and 

 Centipedes sent from Madras by Mr. Edgar Thurston, of 

 the Government Central Museum. By li. I. POCOCK, of 

 the British Museum (Natural History). 



[Plate XII.] 



Scorpion idea. 



The Scorpions sent by Mr. Thurston are referable to four 

 species, whereof one is new. The series of the species Sc. 

 Sicammerdarni has been most useful in showing the amount 

 of variation presented during the passage from the young to 

 the adult condition. 



Isometrus maculatus (De Geer). 

 This species is cosmopolitan. 



Buthus Martensii, Karsch. 



Buthus Martensii, Karsch, Mitth. Miinchn. ent. Ver. 1870, p. 112, J; 



Pocock, Ann. & Mag. Nat. Hist. 1889, iii. p. 335, pi. xv., 3 2 • 

 Buthus grammurus, Thorell, Ann. Mus. Genov. 1889, pp. 567-570, $ , 



pi. v. fig. 4. 



