110 U.S. NATIONAL MUSEUM BULLETIN 2 88 



either, its tip reaching to base of penultimate phalanx of third; a small 

 triangular thumb pad present; a large squarish palmar callus; meta- 

 carpal tubercles well developed, single. Toes moderately long, one- 

 half webbed, third toe slightly longer than fifth, its tip reaching 

 halfway along antepenultimate phalanx of fourth; a small, oval 

 inner metatarsal tubercle and a smaller round outer one; no tarsal 

 ridge; a heavy skinfold on heel and knee. Body stout, in postaxillary 

 region slightly less than greatest width of head. When hind leg is 

 adpressed, heel reaches posterior corner of eye and tarsometatarsal 

 articulation well beyond snout; when limbs are laid along the sides, 

 knee and elbow overlap; when hind legs are bent at right angles to 

 body, heels touch. Skin of upper parts granular, with scattered warts 

 from back of head to above anus; parotoids small but with several 

 large warts; a row of spiny warts from posterior end of parotoids along 

 sides to groin; venter granular with small warts on side of belly and 

 below thighs; a short bony ridge from posterior corner of eye above 

 tympanum, ending at parotoid; the head between supraorbital 

 ridges flat and nearly smooth; a slight skinfold across the chest; no 

 ventral disk; a median external vocal sac in male. 



Dimensions. — Head and body, 75 mm.; head length, 22.5 mm. ; 

 head width, 27.5 mm.; femur, 30.5 mm.; tibia, 32.5 mm.; foot, 31.5 

 mm.; hand 26.5 mm. 



Color in alcohol. — Dorsum cinnamon with suggestions of large, 

 irregular, chocolate spots on either side of the paler midline; a pair of 

 crescentic pale cinnamon spots on shoulders just behind parotoids 

 and another pair on sacrum; limbs with wide, inconspicuous dark 

 bands above; venter uniform russet, becoming paler on belly; side 

 of head chocolate with a pale cinnamon diagonal bar from lower 

 eyelid to corner of mouth, with darker markings in front of and 

 behind it; sides of body chocolate lightening to cinnamon below; 

 palms of hands and soles of feet wood brown, the digital tips and 

 tubercles a little lighter. 



Remarks. — The largest of 16 examples at hand, BM 98.4.28.142 

 from Cachabe, Ecuador, measures 90 millimeters in head and body 

 length. The first finger is appreciably shorter than the second in all, 

 while the toes are one-half webbed. The prominent nostrils and small 

 projecting vertical ridge on the snout may suggest a slight relationship 

 with Bujo granulosus. 



Specimens Examined 

 COLOMBIA 



Choc6: Peiia Lisa, Condoto, BM 1914.5.21.89; Turbo, USNM 4335 (type). 

 ECUADOR: Cachabe, BM 98.4.28.141-5; Cayapas River, BM 1902.7.29.33-4; 



Pambelas, BM 1901.6.27.17-9; San Javier, BM 1901.3.29.58. 

 PANAMA: Porto Bello, USNM 65124; upper Trinidad River, USNM 53719. 



