72 U.S. NATIONAL MUSEUM BULLETIN 288 



its own diameter. Fingers moderately long, the tips slender, with 

 distinct lateral ridges, free, first finger longer than second and equal to 

 fourth, the tips of both second and fourth reaching midway on penul- 

 timate phalanx of third; an elongate thumb pad present; a small 

 rounded palmar callus; metacarpal tubercles well developed. Toes 

 entirely webbed, third and fifth subequal, their tips reaching almost 

 to base of antepenultimate phalanx of fourth toe; a small elongate 

 inner metatarsal tubercle ; no outer tubercle ; a heavy skinfold on heel 

 and knee. Body moderately slender, in postaxillary region less than 

 greatest width of head. When hind leg is adpressed, heel reaches to 

 anterior corner of eye; when limbs are laid along the sides, knees and 

 elbows considerably overlap; when hind legs are bent at right angles 

 to body, heels overlap slightly. Skin of upper parts smooth; a pair of 

 glandular dorsolateral ridges from posterior corner of eye almost to 

 groin; a few small pustules on sacral region and above vent; venter 

 smooth, except for numerous small transverse wrinkles from level of 

 axilla to groin; a heavy glandular ridge from posterior corner of eye 

 above tympanum, ending behind and below corner of mouth ; a distinct 

 skinfold across the chest; a pronounced ventral disk; apparently no 

 external vocal sacs. 



Dimensions — Head and body, 75 mm.; head length, 30.5 mm.; 

 head width, 28.5 mm.; femur, 35 mm.; tibia, 38 mm.; foot 37.5 mm.; 

 hand, 21.5 mm. 



Color in alcohol — Dorsum smoke gray with irregular drab motthngs; 

 upper parts of legs and feet -with three wide transverse brown bars 

 alternating with two or three paler ones; posterior femur coarsely 

 marbled with clove brown and pale buff; anterior femur with a few 

 brown spots on the pale buff ground color; venter pale buff, with a 

 few faint brown spots on chin and chest; lower surfaces of legs buff 

 with many small dark round spots; webs of toes mottled with brown 

 and buff, the lower sides of toes and tarsus quite dark; a wide brown 

 stripe slightly broken by buff spots along forearm from base of thumb 

 to elbow; sides smoke gray to drab above, paler below and heavily 

 spotted with dark brown; side of head drab gray, with a narrow darker 

 gray line indistinctly paralleling the edges of both upper and lower 

 jaws; tympanum nearly encircled by a brown ring. 



Remarks — Although a thorough comparison of all available material 

 throughout the vast range of this frog may validate some names now 

 considered as synonyms, and possibly demand the description of 

 still other forms, the above synonymy, compiled mostly from Boulen- 

 ger's and Taylor's writings, is more or less accepted at the present 

 time. Colombian specimens at hand are from Aruazonas, Antioquia, 

 Caqueta, Cauca, Choc6, Cundinamarca, Meta, Santander, Tolima, 



