7. ELOSIA. 193 



short ; uo cuueiforiu tubercle. The hind limb being carried for- 

 wards alonf? the body, the tibio-tarsal articulation, reaches the 

 nostril. 8kin perfectly smooth. Above dark plumbeouvS ; below, a 

 light lead-colour. 



Juliaca, Peru (12,500 feetj. 



7. ELOSIA. 



Eloisiii, Tschiidi, Batr. p. 77 ; Dum. ».y Bibr. viii. p. 0.3:3 ; Gdnth. Cut. 



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

 Enydrobius, sp., Wck/I. Syst. Amph. p. 202. 

 Enhydrobius, Cope, Journ. Ac. Philad. (2) vi. 1866, p. 90. 

 Hylodes, sp., Steindaehn. Verh. zuol.-bot. Ges. Wien, 1804, p. 248. 



Pupil horizontal. Tongue subcircular, free behind. Yomei'ine 

 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. 



*%»op.si.s of tJie Species. 



Yomerine teeth on a level with the hinder 

 edge of the choance ; tarso-metatarsal arti- 

 culation reaching beyond the tip of the 

 snout 1. nanus, 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 choanpD 3. vomerinct, p. 194. 



1 . Elosia nasus. 



Elosia nasus, Giinth. Cat. p. 84. 

 llyla nasus, Lichtensf. Verz. Doiihl. p. 100. 

 ranoidos, Spix, Spec. Nov. Test. Ran. Bras. p. •->-*,■ pi. 0. f. 3 : 



Peters, 3Ion. Berl. Ac. 1872, p. 207. 

 Enhydrobius ranoides, part., Wayl. Syst. AinpJi. p. 202. 

 Elosia nasuta, Tsc/mdi, Batr. p. 77 ; Duni. S,- Bihr. p. 63-3 ; Girard, 



U.S. Expl. Exped., Herp. p. 05, pi. 4. f. 39-43. 

 Enhydrobius nasus, Cope, Journ. Ae. Philad. (2) vi. 1800, p. 90. 

 Hylodes tiuucatus, Steindachi. Verh. zool.-hot. Ges. Wien, 1864, 



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



Tongue subcircular, entire. Vomerine teeth in two short oblique 

 scries commencing on a level with the hinder edge of the choanie. 

 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 nppcr eyelid ; 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 ; 







