8. PHYLLOBATES. 195 
Pupil horizontal. Tongue elliptic or subcordiform, free behind. 
Vomerine teeth none. ‘Tympanum distinct. Fingers and toes 
dilated into regular disks, the uppersurface of which bears two 
rounded cutaneous divisions. Outer metatarsals united. Omo- 
sternum cartilaginous; sternum a cartilaginous plate. Terminal 
phalanges: T-shaped. 
Tropical America. 
Synopsis of the Species. 
I. Belly perfectly smooth. 
Tympanum three fourths the diameter of 
the eye; snout rounded .........% 1» bicolor, p. 195. 
Tympanum two thirds the size of the 
orbit; snout rather acute; a delicate 
fold on the median line of the back . 2. limbatus, p. 195, Cu! 
Tympanum one half the diameter of the 
___ orbit ; snout rather elongate, narrowed 3. cystignathoides, p. 196: 
Tympanum one half the diameter of the 
BW es seme: DEORE. ost oh tear Sates 4, melanorhinus, p. 196. 
Tympanum one sixth of orbit; snout a 
eB IeRC ss Wie S cg eee ents oe ts 44 5s hyleformis, p. 196. “eo 
IL. Belly granulate. 
Tympanum a little more than one fourth 
the diameter of the eye; skin covered 
wich smal: tubercles. |)-7. siwwness 2: 6. chalceus, p. 197. 
Tympanum two thirds the diameter of 
the eye; upper surfaces with small 
See en Re Pa kee 7~ verruculatus, p. 197. 
Tympanum one eighth of orbit; snout 
PCCM. Fin gs Sars we ee oe Uae 8. ridens, p. 197. % 
1. Phyllobates bicolor. 
Phyllobates bicolor, Giinth. Cat. p. 90. 
Phyllobates bicolor, Bibron, in Ramon de la Sagra, Hist. Cuba, Rept. 
pl. 29 bis; Dum. § Bibr. p. 638. 
Snout rounded, with rounded canthus rostralis ; nostril near the 
tip of the snout ; tympanum distinct, three fourths the diameter of 
the eye. Skin perfectly smooth everywhere; angle of the mouth 
glandular. An indistinct outer metatarsal tubercle. Whitish ful- 
vous above; dark brown or blackish beneath. 
Cuba. 
2. Phyllobates limbatus. 
Phyllobates limbatus, Cope, Proc. Ac, Philad, 1862, p. 154. 
Snout rather acute ; nostril nearer the tip of the snout than the 
eye; tympanum two thirds the size of the orbit. The hind limb 
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