4, WYDA. 361 
24. Hyla lanciformis. 
Hypsiboas lanciformis, Cope, Proc. Amer, Philos, Soc. 1870, p. 556. 
Tongue oval, indistinctly nicked, adherent. Vomerine teeth be- 
tween the very large choane, in two angular series, forming together 
af \. Habit veryslender. Head longer than broad ; snout acumi- 
nate, once and a half as long as the diameter of the eye; the 
distance between the nostril and the eye is greater than the diameter 
of the latter; canthus rostralis angular, straight ; loreal region not 
very oblique, concave ; interorbital space as broad as the upper eye- 
lid; tympanum very distinct, three fourths the diameter of the eye. 
A very slight web between the three outer fingers, none between 
the inner; a slight rudiment of pollex ; toes three-fourths webbed ; 
disks of fingers and toes much smaller than the tympanum; subar- 
ticular tubercles well developed. The hind limb being carried 
forwards along the body, the tibio-tarsal articulation reaches far 
beyond the tip of the snout; the tibia measures a little more than 
the distance from axilla to vent. Head and back minutely granulate ; 
belly and lower surface of thighs granulate; a narrow, straight, 
glandular fold from the eye above the tympanum, lost at a small 
distance beyond the vertical of the shoulder. Dark brown above, 
with darker bands across the head, body, and limbs; a blackish 
vertebral line; sides of head blackish; a white streak round the 
upper lip; sides of hind limbs blackish; disks of the three inner 
fingers yellowish above ; brown beneath, with a few large whitish 
spots on the thoracic region. Male with an external gular vocal 
sac. From snout to vent 77 millim. 
Keuador. 
de Oi Canelos. Mr. Buckley [C.]. 
25. Hyla spectrum. 
Hyla spectrum, Reimh. § Lith. Vidensk. Meddel. 1861, p. 195. 
Hypsiboas spectrum, Cope, Journ. Ac. Philad. (2) vi. 1867, p. 200. 
Tongue slightly emarginate. Vomerine teeth in two oblique 
series converging towards front, between the choane. Head large, 
as broad as long; snout subacuminate ; canthus rostralis distinct ; 
loreal region high, nearly vertical. Fingers webbed at the base; a 
projecting rudiment of pollex (?). Hind limb very slender. Skin 
smooth above, granulate on the belly and under the thighs; a slight 
fold along the forearm and tarsus; heel with a dermal appendage. 
Brownish above, with faint bands across the back and hind limbs; a 
dark vertebral line, beginning from the tip of the snout. 
Brazil. 
26. Hyla leprieurii. 
Hyla leprieurii, Giinth. Cat. p. 101. ibe 
Hyla leprieurii, Dum. § Bibr. p. 553. (9 “1! 
Hypsiboas leprieurii, Cope, Journ. Ac, Philad. (2) vi. 1867, p. 200, 
