Heels broadly overlap when hind limbs adpressed; tibiotarsal articulation reaches to middle of eye; a low rounded tarsal fold on distal half of tarsus; inner metatarsal tubercle elevated, flat, and elliptical; outer metatarsal tubercle at base of fourth toe, round; row of low, sometimes indistinct, tubercles from heel to base of fifth toe; subarticular tubercles round; length of digits from shortest to longest 1-2-3-5-4, third and fifth being about equal in length; third and fifth toes webbed to base of disc; fourth toe webbed to base of penultimate phalanx; discs of toes much smaller than on fingers.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
Legs thick; heels overlap by about one-fourth length of shank when hindlimbs adpressed; tibiotarsal articulation extends to posterior corner of eye; tarsal fold thick, extending to heel; inner metatarsal tubercle small and elliptical; outer metatarsal tubercle small, flat, and indistinct; subarticular tubercles small and round; single row of supernumerary tubercles on proximal segments of each digit; toes moderately short and slender; length of toes from shortest to longest, 1-2-3-5-4; toes fully webbed; flap of skin on inner surface of first toe; discs about same size as those on fingers.
"A Review of the Frogs of the Hyla bistincta Group"
William E. Duellman
Back black and yellowish grizelled, with longer black hairs; sides yellowish grey, beneath grey lead colour, under fur lead colour; ears with scattered short adpressed hairs; whiskers black; front teeth yellow; tail with short black adpressed bristles; length of body and head 7, tail 4, hind-feet 1 1-4 inches.
"Journals Of Two Expeditions Of Discovery In North-West And Western Australia, Vol. 2 (of 2)"
George Grey
