187 



width of the eye. Fingers and toes with small disks; first 

 and second finger equal in length; toes webbed to the disks; 

 subarticular tubercles large; a rather large, elliptic, blunt inner 

 and a smaller, round outer metatarsal tubercle ; the heel 

 reaches the eye. 



Back coarsely granulate ; flat warts on the upper eyelids, 

 the temporal region, the sides, near the vent and on the hind 

 limbs; no dorsolateral fold; a strong fold above the tympanum; 

 smooth beneath. 



Dark olive green above ; posterior surface of thighs rusty 

 brown, with numerous white dots; white below, throat and 

 belly marbled with light brown. From snout to vent 158 mm. 



Description completed by means of informations from Mr. VOGT. 

 Differing from R. opisthodon in the entirely webbed toes; it 

 may be, however, that both species are identical. 



Habitat: Bismarck archipelago. 



Subg. c. Platymantis Gthr. 



(Gunther, Cat. Batr. Sal. Brit. Mus., 1858, p. 93; Boulenger, Ann. Mag. 

 Nat. Hist., (9) I, 1918, p. 372). 



Fingers and toes with disks, the upper surface of which is 

 separated from the lower one by a groove. Toes free or slightly 

 webbed. Outer metatarsals united. Dorsolateral fold absent. 



Omosternal style forked at the base. 



Distribution: Philippines; Halmahera; Kei islands; New 

 Guinea and neighbouring islands ; New Britain ; Solomon islands; 

 Fiji islands. 



15. Rana boulengeri (Bttgr.). 



Cornufer boulengeri Boettger, Kat. Batr.-Samml. Senckenb. naturf. Ges., Frankf. 



a/M., 1892, p. iS. 

 Cornufer boulengeri Werner, Mitt. Mus. f. Naturk. Berlin, I, 1900, p. 114, 



fig. 115 (sternal apparatus). 

 Platymantis boulengeri Boulenger, Ann. Mag. Nat. Hist., (9) I, 19 18, p. 373. 



Vomerine teeth in two very long, curved series behind the 

 level of the choanae. Head large, strongly depressed, broader 

 than long; snout i 1 / i to i'/ 2 times the length of the eye; canthus 

 rostralis more or less indistinct (in the young sharp and distinct, 

 straight); loreal region concave; nostril equidistant from tip 

 of snout and eye, or nearer the latter; interorbital space twice, 

 in the young equal to the width of the upper eyelid ; crown 



