200 



the two terminal phalanges of the third one extending beyond 

 the second one, only one of them beyond the fourth; the web 

 between the toes reaches all disks or the last phalanx of 

 fourth toe remains free; outer metatarsals separated nearly to 

 the base; subarticular tubercles large, prominent; inner meta- 

 tarsal tubercle oblong, outer one absent or feeble; a dermal 

 fold along the inner border of the first, and another one along 

 the outer border of the fifth toe ; the latter one extending in 

 the male along a part of the metatarsus; no tarsal fold; heel 

 reaching between eye and tip of snout, or to the tip of the 

 snout or slightly beyond; tibia '/a to 3 / 5 length of head and 

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

 body, the heels are overlapping. 



Smooth, or with large, flat warts and small granules, above; 

 posterior part of the upper eyelid rugose; in young speci- 

 mens a very narrow dorsolateral fold may be present; a feeble 

 fold above the tympanum ; smooth beneath. 



Upper surface (in spirit) greenish blue, or more or less 

 reddish or lilac brown, marbled with darker; hind limbs some- 

 times with indistinct dark cross-bars; back, sides and limbs 

 usually with a few roundish, yellowish-white spots or vermi- 

 culations; whitish below, throat and breast usually marbled with 

 brown; border of lower lip yellowish-white, bordered with blue. 

 Length 162 mm. 



Male in the breeding time with two external vocal sacs 

 and a large oval gland on inner side of arm. 



Habitat: Aru islands; Waigeu ! ; New Guinea (Andai; Hatam, 

 Arfak mts. ; Mamberamo riv. ! ; Idenburg riv. ! ; Sermowai riv., 

 ±300 m.!; Tor riv.!; Moaif riv. ! ; Moso riv.!; Air Mo riv.!; 

 Sekanto region ! ; Albert Edward range ; Madew ; Astrolabe mts. ; 

 Haveri; Soghere, 530 m.; Lorentz riv., 30 m. ! ; Went mts., 

 ± 1300 m.!; Setekwa riv., 150 m.; Mimika riv.). 



28. Rana elberti Roux. 



Rana elberti Roux, Zool. Jahrb., Syst, XXX, 191 1, p. 504. 

 Rana elberti Boulenger, Rec. Ind. Mus., XX, 1920, p. 142. 



Vomerine teeth in two oblique groups between the choanae, 

 extending somewhat behind their posterior borders. Head 

 about as long as broad; snout truncate, projecting, as long as 

 the eye; canthus rostralis rounded ; loreal region vertical, feebly 

 concave; nostril nearer to the tip of the snout than to the eye ; 



