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. 
Juliaca, Peru (12,500 feet). 
7. ELOSIA. 
Elosia, Tschudi, Batr. p. 77 5 Dum. § Bibs. viii. p. 632; Giinth. Cat. 
p- 84; Cope, Nat. Hist. Rev. 1865, p. 111. 
Enydrobius, sp., Wagl. Syst. Amph. p. 202. 
Enhydrobius, Cope, Journ. Ac. Philad. (2) vi. 1866, p. 96. 
Hylodes, sp., Steendachn. Verh. zool.-bot. Ges. Wien, 1864, p. 248. 
Pupil horizontal. ‘Tongue subcireular, 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 choanze ; tarso-metatarsal arti- 
culation reaching beyond the tip of the 
Ay oye OE Se ec Sata eiais hoe 8 Sects 1. nasus, 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 
Ore CHOANE, hc. saree wudg oe sree 3. vomerina, p. 194. 
1. Elosia nasus. 
Elosia nasus, Giinth. Cat. p, 84. 
/¥*5 Wyla nasus, Lichtenst. Verz. Doubl. p. 106. 
E24 ranoides, Spiz, Spec. Nov. Test. Ran. Bras. p. 52, pl. 6. £5; 
: Peters, Mon. Berl. Ac, 1872, p. 207. 
Enhydrobius ranoides, part., Wagl. Syst. Amph. p. 202. 
Elosia nasuta, Tschudi, Batr. p. 77; Dum. § Bibr. p. 633; Girard, 
U.S. Expl. Exped., Herp. p. 65, pl. 4. f. 89-43, 
Enhydrobius nasus, Cope, Journ. Ac. Philad. (2) vi. 1866, p. 96. 
Hylodes truncatus, Steidachn, Verh, zool.-bot. Ges, Wien, 1864, 
p. 248, pl. 17. f. 3. 
Tongue subcircular, entire. Vomerine teeth in two short oblique 
series commencing on a level with the hinder edge of the choane. 
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 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; 
i) 
