193 



Dark brown above, lighter on the snout and beneath; sides 

 of head and body, the throat and the outer surfaces of the 

 limbs dotted with orange ; posterior surfaces of thighs vermi- 

 culated with the same colour. Length 50 mm. 



Habitat: New Guinea (Hatam, Arfak mts.). — Bismarck 

 arch. '). 



Subg. d. Hylarana Tschudi. 



(TscHUDi, Mem. Soc. Sc. Neuchatel, II, 1839, p. 37). 

 Hylorana Boulenger, Rec. Ind. Mus., XX, 1920, p. 123. 



Toes, and usually fingers also, with disks, the upper surface 

 of which is separated from the lower one by a groove. Outer 

 metatarsals separated nearly to the base, or, rarely, only in 

 their distal half. Dorsolateral fold present or absent. 



Omosternal style not forked at the base, sometimes with a 

 very small notch. 



Distribution: Africa; southern Asia, including the Indo- 

 australian Archipelago to the Solomon islands; northern 

 Australia. 



21. Rana macrops Blgr, 



Rana macrops Boulenger, Proc. Zool. Soc. London, 1897, p. 233, pi. XVI, fig. i. 

 Ratia macrops Boulenger, Rec. Ind. Mus., XX, 1920, p. 203. 



Vomerine teeth in two very small oblique groups between 

 the choanae, or close together just behind them. Head as 

 long as broad; snout rounded, projecting, shorter than the 

 eye; canthus rostralis strong; loreal region nearly vertical, 

 concave; nostril a little nearer to the tip of the snout than to the 

 eye; interorbital space as broad as the upper eyelid; eye very 

 large ; tympanum distinct, half the diameter of the eye. Disks 

 of fingers rather large, -/g to V4 the diameter of the tympanum, 

 of toes a little smaller; first finger as long as second; toes 

 ^/g webbed; outer metatarsals separated nearly to the base; 

 subarticular tubercles moderate; a small oval inner, no outer 

 metatarsal tubercle ; no tarsal fold ; the heel reaches the nostril 

 or the tip of the snout; tibia Y^ to ^/, length of head and 

 body; when the hind limbs are folded at right angles to the 

 body, the heels are overlapping. 



1) According to Sternfeld, Abh. Senckenb. naturf. Ges., XXXVI, 1918, p. 434. 



iNDO-AUSTRAt.IAN AMPHIBIA. 13 



