272 



viz. several ones scattered on back and belly, a series along 

 the canthus rostralis and the outer border of the upper eye- 

 lid, other ones along the lips, on fingers and toes, and in 

 transverse series on the limbs, a larger one, bordered with 

 dark, behind each tympanum. Length 24 mm. 



Type specimen examined. 



Habitat: Sumatra (near Ajer mantjur, Kajutanam!). 



5. Philautus longicrus (Blgr.). 



Ixalns longicrus Boulenger, Ann. Mag. Nat. Hist., (6) XIV, 1894, p. 88. 



Snout pointed, as long as the orbit ; canthus rostralis angular ; 

 loreal region concave; nostril nearer to the end of the snout 

 than to the eye; interorbital space broader than the upper eye- 

 lid ; tympanum distinct, about 2 / 5 the diameter of the eye. 

 Disks of fingers a little smaller than the tympanum ; fingers 

 free ; toes half webbed ; the heel reaches far beyond the tip 

 of the snout, the knee reaches the shoulder. 



Above rough with small warts; two oblique glandular ridges, 

 converging behind, between the shoulders ; throat smooth, 

 belly and lower surface of thighs granulate. 



Grey above, with a large X-shaped dark marking or a pair 

 of ) (-shaped bands on the back; a dark cross band or trian- 

 gular blotch between the eyes, and regular cross bands on 

 the limbs ; a black, light edged spot on the knee ; a streak 

 below the canthus rostralis, a bar below the eye, and the 

 whole temporal region blackish; dirty white beneath, throat 

 finely speckled with brown, a series of small round spots on 

 the lower lip. From snout to vent 21 mm. 



Male with internal vocal sacs. 



Habitat: Pelawan. 



6. Philautus jacobsoni (v. Kamp.). 



Ixalus jacobsoni v. Kampen, Notes Leyden Mus., XXXIV, 191 1 — 12, p. 78. 



Tongue without papilla. Head as long as broad ; snout 

 pointed, projecting, a little shorter than the upper eyelid, 

 longer than deep; canthus rostralis distinct; loreal region 

 oblique, concave; nostril in the middle between tip of snout 

 and eye; interorbital space broader than the upper eyelid; 

 tympanum rather distinct, '/ 3 the diameter of the eye. Disks 

 of fingers large, those of the two outer fingers a little larger 



