BATEACHIAANOURA. gj 



the others partaking of the hue of the region to which they belong. 

 The fore legs exhibit a series of black spots upon both their anterior 

 and posterior surface, united on the arm properly so called, whilst on 

 the hind legs these series of spots assume a transverse aspect. The 

 posterior portion of the thighs is vermiculated. Beneath, the color is 

 of a uniform dull-yellow. 



Specimens were collected at Rio de Janeiro, in 1839, when a draw- 

 ing from life was made by Mr. Drayton. 



Plate III, fig. 1, represents Leptodactylus ocellatus, size of life. 



Fig. 2, is a side view of the head. 



Fig. 3, the head, seen from above. 



Fig. 4, the head, seen from beneath. 



Fig. 5, under surface of right hand. 



Fig. 6, under surface of left foot. 



2. Leptodactylus caliginosus, Grd. 



Char. spec. — Dentihus vomerinis in curvis regularibus dispositis. 

 Lingua sid)eUiptica, eloiigata, in duabus extremitatihiis leviter incisa. 

 Plantarum digitis, rudimentaria, hasali, et mai^ginali memhrand 

 munitis. Cute Icevi ; juvenes in utroqiie dorsi latere 2^^'^caturas 

 Io7igitudinales exhihent. Colore ruhro-fasco ; supra maculie nigris 

 obsolefis consjMrsis, in posteriorihus ci'uribus conspicuorihus. Post- 

 oculare vitta trans tympanum porrecta. 



Char. Spec. — Vomerine teeth disposed upon regular curves. Tongue 

 subelliptical, elongated, slightly notched at both extremities. Toes 

 with a rudimentary, basal, and marginal membrane. Skin smooth ; 

 traces of longitudinal dorsal folds in the young. Reddish-brown 

 with obsolete blackish maculae on the back, more conspicuous on 

 the hind limbs. A subcordiform occipital spot. A postocular vitta 

 stretching beyond the tympanum. 



Syn. — Leptodactylus caliginosus, Ged. in Proc. Acad. Nat. Sci. Philad. VI, 1853, 

 422. 



Descr. — This species is allied to the preceding one. Its head is 

 conical when seen from above, depressed, as broad as long, constitu- 



