378 WYLIDA. 
hind limb being carried forwards along the body, the tibio-tarsal 
articulation marks the front of the eye. Skin smooth above, granu- 
late beneath. Purplish blue above, immaculate, the colour sharply 
defined along the sides; upper lip white-margined ; beneath whitish, 
immaculate. From snout to vent 82 millim. 
Costa Rica. 
Gino's Costa Rica. 
55. Hyla pulchrilineata. 
Hyla pulchrilineata, Cope, Proc. Amer. Philos, Soc. xi. 1869, p. 163. 
Form that of 7. arborea. Tongue slightly free behind. Vome- 
rine tecth in a single transverse series opposite the posterior margin 
of the choan ; the latter much larger than the ostia pharyngea. 
Canthus rostralis distinct ; loreal region concave; eye large, tym- 
panum one fourth its size. Fingers free; toes webbed to the base 
of the penultimate phalange ; disks well developed. The hind limb _ 
being carried forwards along the body, the tibio-tarsal articulation 
marks the front of the orbit. Skin smooth above; granules of the 
abdomen unusually weakly developed. Pale ashy brown above, 
with five longitudinal citron-yellow bands, the outer broadest ; 
femora finely yellow above and behind; a yellow longitudinal line 
on both the inner and outer sides of the tibia. From snout to vent 
38 millim. 
San Domingo. 
56. Hyla andersonii. 
Hyla andersonii, Baird, Proc. Ae, Philad. vii, 1854, p.61; Cope, eod. 
loc. 1862, p. 154. 
In proportions and general appearance similar to /H. arborea. 
Tongue broad, slightly emarginate, Vomerine teeth in two oblique 
series between the choanz, each directed inward and backward. 
T'ympanum about one third the size of the eye. Skin of upper sur- 
faces smooth, minutely corrugated ; lower surfaces granulate; a 
fold across the chest. Above dull olive-brown; the concealed 
surfaces of limbs, especially those in contact with each other, thickly 
sprinkled with circular yellowish-white spots on a pale brown 
ground, seen also on the armpits and sides of body behind; a post- 
ocular dark vitta extended down the sides, and sending a dark 
branch across the arm to the chin; no bars on the limbs. From 
snout to vent about 2 inches. 
United States—New Jersey to South Carolina. 
57. Hyla eximia. 
Hyla euphorbiacea, Giinth. Cat. p. 109, pl. x. f. C. 
Hyla eximia, Baird, Proc. Ac. Philad, 1851, p. 61, and U.S. Mex. 
“Bound. Surv. p. 29, pl. 38. £. 8-10; Peters, Mon. Berl. Ac. 1869, 
p. 880; Brocchi, Bull. Soc. Philom. (7) i. p. 128. 
—— euphorbiacea, Steindachn. Novara, Amph, p. 59. 
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