456 BOULENGER. 



Hind limb moderately long, the tibio-tarsal articulation reaching 

 the tympanum or the eye, the heels meeting or slightly overlapping 

 when the limbs are folded at right angles to the body; tibia 3 to 4 

 times as long as broad, 2 to 2| times ih length from snout to vent, 

 shorter than the fore limb and than the foot. Toes obtuse, ^ to f 

 webbed, 2 or 3 phalanges of fourth free, the web thicker and with 

 convex border in the breeding male; the web extending about halfway 

 down between the outer metatarsals; subarticular tubercles rather 

 small, moderately or feebly prominent; tarsal fold feeble or absent; 

 inner metatarsal strongly projecting, hard, feebly compressed, semi- 

 circular in outline, | to f the length of the inner toe; a small, round 

 outer tubercle present or absent. 



Skin of upper parts smooth or with small flat glands; a moderately 

 broad, flat or moderately prominent glandular dorso-lateral fold, 

 from above the tympanum to the hip; these folds parallel or converg- 

 ing on the anterior part of the back, where they are separated from 

 each other by a space contained 4| to 5| times in length from snout to 

 vent; a second pair of more or less wavy glandular folds along the 

 middle of the back; a glandular fold from below the eye to above the 

 arm. Lower parts smooth, posterior half of thighs with large flat 

 granules. 



Yellowish or reddish brown above, usually with dark brown or 

 blackish spots or bands bordering the glandular dorsal folds; a dark 

 streak from the end of the snout to the eye and a large dark temporal 

 spot; a light streak on the upper lip, from the end of the snout to the 

 extremity of the glandular fold behind the mouth; limbs usually with 

 more or less regular dark cross-bands; frequently a yellow line from 

 the tip of the snout to the vent and another along the middle of the 

 thigh and the inner side of the tibia. Lower parts white, uniform, or 

 throat and breast spotted with blackish. 



Male with internal vocal sacs, strong fore limbs, a large pad on the 

 inner side of the first finger, and the web between the toes more devel- 

 oped than in the female. 



Nasal bones small, oblique, widely separated from each other; eth- 

 moid largely exposed above, angular in front and penetrated between 

 the nasals; frontoparietals separated from each other in front, embrac- 

 ing a fontanelle. 



