7. ELOSIA. 193 



short; no cuneiform tubercle. The hind limb being carried for- 

 wards along the body, the tibio-tarsal articulation reaches the 

 nostril. Skin' perfectly smooth. Above dark plumbeous ; below, a 

 light lead-colour. 



JuUaca, Peru (12,500 feet). 



7. ELOSIA. 



Elosia, Tschudi, Batr. p. 77 ; Dum. Sf Bihr. viii. p. 632 ; Giinth. Cat. 



p. 84; Cope, Nat. Hist. Rev. 1865, p. 111. 

 Enydi-obius, sp., Wagl. Syst. Amph. p. 202. 

 Enhydrobius, Cope, Journ. Ac. Philad. (2) vi. 1866, p. 96. 

 Hylodes, sp., Steindachn. Verli. zool.-hot. Ges. Wien, 1864, p. 248. , 



Pupil horizontal. Tongue suboircular, free behind. Vomerine 

 teeth. Tympanum distinct. Fingers free ; toes nearly free, the tips 

 dilated into regular disks, the upper surface of which bears two 

 rounded cutaneous divisions. Outer metatarsals united. Omo- 

 sternum cartilaginous ; sternum a cartilaginous plate. Terminal 

 phalanges T-shaped. 



Brazil. 



Synopsis of the Species. 



Vomerine teeth on a level with the hinder 

 edge of the ohoanae ; tarso-metatarsal arti- 

 culation reaching beyond the tip of the 

 snout 1. nasiis, p. 193. 



Tarso-metatarsal articulation not reaching 



beyond the tip of the snout 2. bufonia, p. 194. 



Vomerine teeth on a level with the front edge 



of the choansB 3. vomerina, p. 194. 



1. Elosia nasus. 



Elosia nasus, Giinth. Cat. p. 84. 

 Hyla naaus, LicMenst. Verz. Doubl. p. 106. 

 ranoides, Sp^i.i; Spec. Nov. Test. Ban. Bras. p. 32, pi. 6. f. 3 : 



Peters, Man. Berl. Ac. 1872, p. 207. 

 Enhydrobius ranoides, part., Wagl. Syst. Amph. p. 202. 

 Elosia nasuta, Tschvdi, Batr. p. 77 ; Bum. 8r Bihr. p. 633 ; Girard, 



U.S. Expl. Exped., Herp. p. 65, pi. 4. f . 39-43. 

 Enhydrobius nasus, Cope, Journ. Ac. Philad. (2) vi. 1866, p. 96. 

 Hylodes truncatus, Steindachn. Verh. zool-bot. Ges. Wien, 1864, 



p. 248, pi. 17. f. 3. 



Tongue suboircidar, entire. Vomerine teeth in two short oblique 

 series commencing on a level with the hinder edge of the choanae. 

 Snout rounded, obliquely truncate, with angular canthus rostralis ; 

 nostril equally distant from the eye and the tip of the snout ; inter- 

 orbital space as broad as the upper eyehd; tympanum half the 

 diameter of the eye. Fingers rather slender, first a little shorter 

 than second; toes rather slender, with a slight web at the base 

 which extends as a fringe along their sides ; disks rather small ; 







