A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus — John Shaqi
A Synopsis of Neotropical Hylid Frogs, Genus OsteocephalusDuellman, William Edward
Science
A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus
Duellman, William Edward
Frogs -- Ecuador; Osteocephalus
The holotype of _Hyla festae_ is a female having a snout-vent length of
75.0 mm; the diameter of the tympanum is 3.9 mm, 57.4 percent of the
diameter of the eye. The skin is smooth on the dorsum and areolate on
the anterior part of the flanks. The dorsum is pale brown with a large
median longitudinal dark brown blotch on the back and broad transverse
bars, narrowly outlined by cream, on the limbs. Dark brown spots are
present on the flanks; the posterior surfaces of the thighs are dark
brown. The throat and belly are grayish white with irregular dark brown
spots.
The holotype of _Hyla carri_ is a female having a snout-vent length of
66.1 mm; the diameter of the tympanum is 4.7 mm, 81.0 percent of the
diameter of the eye. The skin on the dorsum is smooth with scattered
small tubercles and areolate on the anterior part of the flanks. The
dorsum is tan with irregular dark brown blotches on the back and
transverse bars on the limbs; all dorsal markings are narrowly outlined
by creamy white. Dark brown spots are present on the flanks; the venter
and posterior surfaces of the thighs are tan without dark spots.
The holotype of _Hyla cabrerai_ is a female having a snout-vent length
of 52.7 mm; the diameter of the tympanum is 4.0 mm, 76.9 percent of the
diameter of the eye. The skin on the dorsum is weakly tuberculate and
that on the anterior part of the flanks is areolate. The dorsum is
creamy tan with dark brown markings (interorbital bar, reticulations on
occiput, three longitudinal streaks on back, and broad transverse bars
on limbs). Irregular dark brown spots are present on the flanks. The
venter is pinkish tan with small reddish brown spots on the throat and
darker brown spots on the chest and belly.
In their description of _Hyla cabrerai_, Cochran and Goin (1970:217)
stated: "This species, together with _buckleyi_ and _pearsoni_ certainly
make a closely knit group.... Both _buckleyi_ and _cabrerai_ have long
hind legs, with the extended heel reaching to the tip of the snout,
while in _pearsoni_ the extended heel reaches only to the eye. _H.
buckleyi_ has the belly dusky, while it is heavily spotted in _cabrerai_
and is reticulated in _pearsoni_. _H. cabrerai_ seems to have the
heaviest hands with the most webbing between the fingers; the other two
species have the webbing reduced between the fingers." The description
of _Hyla cabrerai_ was based on three specimens. We have examined the
holotype and one paratype (WCAB 13284 from Territorio do Amapa, Brasil).
Another paratype in the private collection of C. J. Goin from Cano Tui,
between Mitu and Raudal de Yurupari, Comisaria de Vaupes, Colombia, was
not examined.
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