216 CTSTIGNATHID^. 



rounded, -witli distinct canthus rostralis ; nostril mucli nearer tte 

 tip of the snout than the eye ; the diameter of the latter equals 

 its distance from the nostril ; tympanum distinct, one third the 

 diameter of the eye. First finger shorter than second; disks of 

 fingers and toes very large, broader than long ; suharticular tubercles 

 ■weU developed; two metatarsal tubercles, the outer very small; 

 sometimes a small cutaneous spur on the tibio-tarsal articulation. 

 The hind limb being carried forwards along the body, the tibio- 

 tarsal articulation does not reach the tip of the snout. Skin 

 smooth above ; small scattered tubercles on the sides of the body 

 and on the upper eyelids ; a curved fold above the tympanum ; 

 belly granular. Plesh-coloured, reddish yellow above ; sides of 

 head and body grey, separated from the upper parts by a black 

 streak ; limbs cross-barred ; hinder side of thighs dark brown ; 

 lower surfaces white, vermiculated with black. 

 Caracas. 



35. Hylodes cerasinus. 



Hylodes cerasinus, Cope, Journ. Ac. Philad. (n. s.) viii. 1876, p. 112, 

 pi. 26. f. 4. 



Tongue a narrow oval. Vomerine teeth in two weU-separated 

 fasciculi behind the choanse. Snout narrowed towards the end, not 

 produced, with distinct canthus rostralis ; nostril nearer the tip of 

 the snout than the eye ; tympanum distinct, very small, one eighth 

 the area of the eye. Digits long, free ; disks truncate ; first finger 

 shorter than second. The hind limb being carried forwards along 

 the body, the tibio-tarsal articulation reaches the tip of the snout. 

 Skin smooth above; sides and belly granular. General colour 

 brown above, white below ; a rose-coloured vertebral band ; upper 

 lip crossed with pale lines ; anterior half of sides finely reticulate 

 with black, groin cherry-red ; upper posterior face of femur and 

 inner face of tibia cherry-red ; lower posterior face of femur brown, 

 punctate with white. 



Pico Blanco, Costa Eica. 



36. Hylodes cruentus. 



Hylodes cruentus, Peters, Mon. JBerl. Ac. 1873, p. 609; Brocohi, Miss, 

 Sc. Mex., Batr. p. 54. 



Tongue rounded behind. Vomerine teeth in two small, rounded, 

 crooked groups behind the choanse. Snout longer than the diameter 

 of the eye, with distinct canthus rostralis ; nostril close to the tip 

 of the snout ; tympanum distinct, vertically oval, hardly one third 

 the size of the eye. First finger shorter than second; disks of 

 fingers and toes much developed, truncate. Sides of body with 

 small tubercles and longitudinal glandules ; belly granular ; "no fold 

 on the chest. Eed above, with scattered black specks ; a black 

 streak belcJw the canthus rostralis ; front and hinder side of thighs 



