REPTILES. 45 



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 bands ; beneath entirely of a lurid 

 reddish lead colour. Iris brown." 



DIMENSIONS. 



In. Lin. 



Length of the head 1 



ofthebody 1 8 



of the anterior extremities 2 1 



of the posterior extremities 4 4 



Found by Mr. Darwin in the Archipelago of Chonos (S. of Chiloe) in thick 

 forests. 



Genus— HYLA. 

 Hyla Vauterii. Sibr. 



Plate XIX. Fig. 2. 



Lingua mbcordiformi, posticb emarginata. Dentibus palatinis infasciculis binis ovali- 

 libus, subcontiguis. Oculis prominentibus. Capite tarn lato quam longo. Guld 

 bi-plicata ; supra leviter — infra multum granulosa. Dorso fusco-griseo, punctis, 

 maculis etfasciis lateralibus nigris. 



Hyla Vauterii. Bibr. MS. 



Description. — Head short, thick, the sides anteriorly converging towards a nearly right angle, the 

 muzzle rounded. Tongue nearly cordate, posteriorly emarginate, free for about one-fourth of 

 its length. Palatine teeth in two oval fasciculi, placed nearly transversely between the poste- 

 rior nares, and almost contiguous. Eyes prominent. Tympanum circular, rather large. 

 Body plump, the sides nearly parallel for two-thirds of its length. The skin nearly smooth, 

 but covered with very small inconspicuous granulations over the whole upper surface, which 

 are rather more obvious on the head. The throat, the belly, and the inferior surface of the 

 thighs covered with large prominent granulations. Beneath the lower jaw the granulations 

 are smaller, and the under surface of the limbs excepting the thighs is quite smooth. A small 

 fold of skin over the tympanum passes backwards to the arm ; and beneath the throat there are 

 two considerable transverse folds, one of which is before and the other immediately behind the 

 arms. Fore feet, with the palms covered with small granular tubercles, and a tubercle under 

 the joints of the fingers, which are connected to about one-third of their length. Hinder legs 

 longer than the head and body by the whole foot and tarsus. The soles tuberculated. Toes 

 rather short, palmate to half their length. 



Colour. — The whole of the upper parts are greyish brown, with a tinge of red, and minutely 

 punctured with black. There are scattered spots of the latter colour on the back and sides, 

 assuming somewhat of a longitudinal arrangement, and a broad blackish grey fascia extends 



