The following is the description of the colouring, as given by Mr. Darwin
from the living specimen. “ Above fine grass green, mottled all over with copper
colour, which nearly forms two longitudinal b a n d s ; beneath entirely of a lurid
reddish lead colour. Iris brown.”
DIMENSIONS.
In. Lin.
Length of the head ................................................ 1 0
of the body 1 8
of the anterior extremities ..................... 2 I
of the posterior extremities ..................... 4 4
Found by Mr. Darwin in the Archipelago of Chonos (S. of Chiloe) in thick
forests.
G e n u s—HYLA.
H y l a V a u t e r i i . Bihr.
P late X IX . P m . 2.
Linguá subcordiformi, posticè eniarginatâ. Dentibus palatinis in fasciculis binis ovali-
libus, subeontiguis. Oculis prominentibus. Capite tarn lato quam longo. Gula
bi-plicatâ ; suprà levithr—infrà multùm granulosa. Dorso fusco-gríseo, punctis,
maculis et fasciis lateralibus nigris.
Hy la Vauterii. Bibr. MS.
D e sc r ip t io n .—H e a d short, thick, th e sides ante riorly converging towards a n e a rly rig h t angle, the
muzzle ro u n d ed . T o n g u e n ea rly cordate, posteriorly emarginate, free for ab o u t one-fourth of
its len g th . P a la tin e te e th in two oval fasciculi, plac ed n e a rly transversely b etwe en th e po sterio
r nares, a n d almost contiguous. E y e s p rom in en t. T ym p an um circular, ra th e r large.
Body p lump, tb e sides n e a rly p arallel for two-thirds o f its len g th . T h e skin n e a rly smooth,
b u t covered w ilh v e ry small inconspicuous granula tions over tb e whole u p p e r surface, which
arc ra th e r more obvious on tb e head. T h e th ro a t, th e belly, a n d tb e in ferio r surface o f the
thighs covered w ith large p rom in en t granula tions. B en e a th th e lower jaw th e granulations
are smaller, an d tb e u n d e r surface o f th e limbs ex c ep tin g tb e th ig h s is q u ite smooth. A small
fold o f skin over the tympanum passes backwards to tb e arm ; an d b e n e a th th e th ro a t th e re are
two considerable transverse folds, one o f w hich is before an d tb e o th e r immediately b eh in d th e
arms. F o re fe et, with th e palms covered with small g ra n u la r tuberc les, a n d a tuberc le u n d e r
th e jo in ts o f th e fingers, which are conne cted to about o n e -th ird o f th e ir len g th . H in d e r legs
longer th a n th e h e a d an d bod y by the whole foot an d tarsus. T h e soles tu bcrculated. Toes
ra th e r sh o rt, palmate to h a lf th e ir length.
C o lo u r .— T h e whole o f th e u p p e r p a rts are greyish brown, with a tin g e o f re d , a n d min u te ly
p u n c tu re d with black. T h e re are sca tte red spots o f th e la tte r colour on th e back a n d sides,
assuming somewhat o f a lo n g itu d in a l arrangement, an d a b road blackish grey fascia ex ten d s