U 101770 from the Rio Changena, Bocas del Toro
Province, Panama, elevation 830 meters; obtained May 18, 1966, by
William E. Duellman.

_Paratypes._--KU 101771-80; MCZ 55251-2, and UMMZ 126811-12, same
locality; collected May 18-22, 1966, by William E. Duellman.

_Diagnosis._--A subspecies of _Hyla pseudopuma_ characterized by having
dark red, instead of yellow, in groin and on anterior and posterior
surfaces of thighs; white stripe above anal opening; and blunt snout.

_Description of holotype._--Adult male having a snout-vent length of
37.8 mm.; tibia length 20.6 mm., 54.4 per cent of snout-vent length;
foot length (measured from proximal edge of inner metatarsal tubercle)
18.6 mm., 49.2 per cent of snout-vent length; head length 11.9 mm., 31.4
per cent of snout-vent length; head width 11.4 mm., 30.1 per cent of
snout-vent length. Snout in lateral profile bluntly rounded, in dorsal
profile truncate; canthus rounded; loreal region barely concave; lips
thick, moderately flared. Snout short, distance from anterior corner of
eye to nostril equal to about three-fourths diameter of eye; nostrils
slightly protuberant, directed dorsolaterally; internarial distance 2.6
mm.; internarial area not depressed; top of head flat; interorbital
distance 3.8 mm., 33.3 per cent of width of head; width of eyelid 3.2
mm., 28.2 per cent of width of head. Eye large, protuberant, diameter
4.3 mm.; thin dermal fold extending posteriorly from posterior corner of
eye, obscuring upper edge of tympanum, curving downward to point above
insertion of arm. Tympanum distinct except dorsally, its diameter 51.1
per cent that of eye, separated from eye by distance equal to diameter
of tympanum.

Axillary membrane absent; arms moderately robust; dermal fold on outer
edge of forearm indistinct, interrupted; transverse fold on wrist weak;
fingers short, stocky; length of fingers from shortest to longest,
1-2-4-3; discs large, width of that on third finger 2.6 mm., larger than
tympanum; subarticular tubercles moderately small, flat, none distinctly
bifid; supernumerary tubercles conical, present on proximal segments;
prepollex enlarged, bearing nuptial excrescence composed of many minute
horny spinules; webbing absent between first and second fingers,
extending from middle of antepenultimate phalanx of second to base of
antepenultimate phalanx of third and beyond to base of penultimate
phalanx of fourth finger. Heels overlap by about one-third length of
ta