Batrachians from German Neto Guinea. 579 



extends only to the middle of the posterior ones. Scales 

 smooth, in 15 rows. Ventrals 196-205; anal divided; sub- 

 caudals 26-29. Dark bronzy brown (almost blackish in the 

 largest specimen), somewhat iridescent above, lighter on the 

 flanks; ventrals and subcaudals blackish brown, edged with 

 light grey (in the youngest specimen the outer rows of scales 

 coloured in a similar manner). Upper lip and a spot on each 

 side of the nape yellowish, as is also a transverse band across 

 the prefrontals from lip to lip, although the latter is less 

 pronounced. 



The largest specimen measures about 445 millim. in total 

 length ; tail about 47 millim. This specimen is a female 

 and contains eggs measuring about 13 millim. in length. 



Three specimens from Sattelberg. 



BATRACHIA. 



ECAUDATA. 



Rana papua, Less. 



Three large and five half-grown specimens from Sattelberg. 

 The interorbital breadth compared with that of the upper 

 eyelid seems to be variable, and to be greater in old specimens. 



Cornufer corrugatus ) A. Dum. 

 Several specimens from Sattelberg. 



Mantophryne robusta, Blgr. 



A fine specimen from Sattelberg. This species was 

 described in 1898 from specimens collected on St. Aignan 

 Island, British New Guinea. 



Ilyla eucnemis, sp. n. 



Tongue broadly heart-shaped, nicked and free behind. 

 Vomerine teeth in two large but confluent groups, behind the 

 level of the choanse, which are large, but not quite so large 

 as the patches of vomerine teeth. Head large, about as 

 broad as long. Snout subtriangular, the tip truncate, longer 

 than the diameter of the orbit; canthus rostralis very distinct, 

 curved ; loreal region concave. Interorbital space broader 

 than the upper eyelid. Tympanum distinct, about two thirds 

 the diameter of the eye. A glandular fold extending from 

 the eye backwards above the tympanum. Three outer fingers 

 extensively webbed, the membrane reaching the disks of the 



