372 
g-hi,k 8. 
im. 2 & her. 
HYLIDA. 
Mexico. 
Vera Cruz. 
Ths eee Vera Paz. O. Salvin, Esq. [C.]. 
0,29. do Coban. O. Salvin, Esq. [C.]. 
7-8, OC. Tonduras. 
42. Hyla gabbii. 
Tyla gabbii, Cope, Journ, Ac. Philad. (n. s.) viii. 1876, p. 103. 
Allied to H. baudinii; differing in the following points:—Tym- 
panum less than half the area of the orbit. Fingers half webbed, 
the disks about equal to the tympanum. Colour ashy brown, the 
pigment forming a narrow band on the upper face of the femur ; 
anterior and posterior faeces of femur dusky, uniform; some 
large irregular brown spots on the back; groin marbled with 
light brown and white; lip with a faint pale border, no large 
spots on it or the lores; tibia and forearin with broad pale- 
brown cross bands; lower surfaces all whitish. From snout to 
vent 56 millim. 
Costa Rica. 
43. Hyla salvini. 
Tongue subcircular, entire, and slightly free behind. Vomerine 
teeth in two short transverse series between the choane. Head 
moderate, as long as broad; snout rounded, longer than the dia- 
meter of the orbit; canthus rostralis distinct ; loreal region oblique, 
slightly concave; interorbital space slightly broader than the upper 
eyelid; tympanum distinct, half the diameter of the eye. Three 
outer fingers three-fourths webbed; no projecting rudiment of 
pollex ; toes entirely webbed; disks nearly as large as the tym- 
panum ; subarticular tubercles not much developed ; a distinct fold 
along the inner edge of the tarsus. The hind limb being carried 
forwards along the body, the tibio-tarsal articulation marks the tip 
of the snout. Skin smooth above, or with scattered very small 
tubercles ; a slight denticulation along the outer side of the fore- 
arm; beneath granulate. Uniform brown above; hind limbs with 
indistinct darker cross bands; sides of body and of thighs with 
brown reticulation ; beneath whitish, immaculate. From snout to 
vent 55 millim. 
Costa Rica. 
Cartago. 
Costa Rica. O, Salvin, Esq. [C.]. 
44, Hyla versicolor. 
Hyla versicolor, Giinth, Cat. p. 103. 
? Hyla verrucosa, Daud. Rain. p. 58, pl. 4. f. 1. 
Hyla versicolor, Leconte, Ann. Lyc. N. H. New York, i. p. 281; 
Harlan, Jown, Ac. Philad. y. p. 345; Holbr. N-Amer. Herp. i. 
p. 101, pl. 17; Dum. § Bibr. p. 566; Dekay, New York Faun., 
