62 



40. Hyla rubella Gray. 



Hyla rubella Gray, Zool. miscell., London, 183 1, p. 57. 



Hyla rubella Keferstein, Arch. f. Naturgesch., XXXIV, I, 1868, p. 283, pi. VIII, 



fig. 29. 

 Hyla rubella Boulenger, Cat. Batr. Sal. Brit. Mus., 1882, p. 405. 

 Hyla rubella Spencer, Amphibia, in: Report Horn Scientific Expedition to 



Central Australia, Pt. II, Zoology, London and Melbourne, p. 170, pi. XV, 



figs. 26 — 28 (tadpole). 

 Hyla rubella v. Katnpen, Bull. Dep. Agricult. Indes neerl., XXV, 1909, p. 6. 



Tongue oval, entire; vomerine teeth in two groups close 

 together behind the level of the choanae. Head as long as 

 broad; snout rounded, as long as the diameter of the eye, 

 longer than deep; canthus rostralis obtuse; loreal region nearly 

 vertical, slightly concave; nostril close to tip of snout; inter- 

 orbital space as broad as, or a little broader than the upper 

 eyelid; tympanum more or less distinct, l j 2 to 2 / 3 the diameter 

 of the eye. Disks of fingers and toes very variable in size, 

 those of the toes usually smaller than those of the fingers; 

 first finger shorter than second, which is shorter than fourth; 

 fingers free or with a slight rudiment of web; third and fifth 

 toe of equal length ; toes 2 / 3 or 3 / 4 webbed ; subarticular and 

 inner metatarsal tubercles well-developed ; no outer metatarsal 

 tubercle; a tarsal fold; the heel reaches between shoulder 

 and tympanum. 



Skin smooth above, granulate beneath ; a strong fold across 

 the chest. 



Greyish or reddish brown above, uniform or speckled with 

 darker; a dark band on the side of head and body; beneath 

 whitish, immaculate. From snout to vent 39 mm. 



Male with a brown external subgular vocal sac and during 

 the breeding-season brown rugosities on the inner side of the 

 first finger. 



Tadpole. — Length of body about once and a half its 

 width and rather more than half the length of the tail. Nostril 

 considerably nearer to the tip of the snout than to the centre 

 of the eye; eyes superior; spiraculum sinistral, not visible 

 from above and not very prominent; vent dextral. Tail pointed ; 

 lower crest deep, the upper one reaching to the base of the tail. 



Lips with papillae, which are especially numerous at the 

 sides; along the lower border of lower lip they are arranged 

 in a single row and in the middle of the upper tip they are 

 absent; jaws not very broadly edged with black; series of 



