362 HYLID®. 
Tongue subcircular or suboval, entire or slightly nicked, and 
slightly free behind. Vomerine teeth in two series between the large 
choanee, forming together an arch the convexity of which is turned 
forwards. Head moderate, depressed, as long as broad. Snout 
rounded or subacuminate, once and ahalf as long as the diameter of 
the eye; loreal region not very oblique, slightly concave; canthus 
rostralis angular, nearly straight ; interorbital space as broad as, or 
a little broader than, the upper eyelid ; tympanum very distinct, two 
thirds the diameter of the eye. Three outer fingers one-third 
webbed; no rudiment of pollex ; toes nearly entirely webbed ; disks 
much smaller than the tympanum ; subarticular tubercles moderate. 
The hind limb being carried forwards along the body, the tibio-tarsal 
articulation marks the tip of the snout. Upper surfaces smooth, or 
covered with small round tubercles, especially in males ; beneath 
granulate ; a fold above the tympanum. Greyish or reddish brown 
above, with dark-brown spots or cross bands; a dark cross band 
between the eyes appears to be constant ; loreal and temporal regions 
dark brown ; a more or less distinct light spot under the eye; upper 
surface of limbs with dark cross bands; sides of bedy and limbs 
brownish, immaculate ; beneath whitish, immaculate. Male with two 
large vocal vesicles, each being situated behind the angle of the 
mouth ; during the breeding-season the inner side of the first finger 
is covered with brown rugositiés ; sometimes also brown rugosities 
may be seen on the tubercles of the upper surfaces and under the 
toes, as in Pelodytes punctatus. From snout to vent 54 millim, 
S. America. 
a-b, c-d, e, f,g-l, 
m-0,p. d&. Demerara Falls. 
g-8. 3. Interior of Brazil. 
t-u.v. 2. Sarayacu, Ecuador. Mr. Buckley [C.}. 
DiQ. Canelos, Ecuador. Mr. Buckley fot 
27. Hyla buckleyi. (Prare XXV. fig. 1.) 
Tongue subcircular, entire, slightly free behind. Vomerine teeth 
in two series between the large choane, forming together an arch 
the convexity of which is turned forwards.. Head moderate, rather 
depressed, as long as broad, or a little broader than long; snout 
rounded, once and a half as long as the diameter of the eye; loreal 
region very oblique, concave; canthus rostralis distinct, curved ; 
interorbital space as broad as, or a little broader than, the upper 
eyelid; tympanum very distinct, two thirds or three fourths the 
diameter of the eye. Three outer fingers one-third webbed ; no 
rudiment of pollex ; toes nearly entirely webbed; disks smaller than 
the tympanum ; subarticular tubercles moderate. The hind limb 
being carried forwards along the body, the tibio-tarsal articulation 
reaches the tip of the snout, or nearly so far. Upper surfaces smooth 
in females, tubercular in males; beneath granulate; a slight fold 
above the tympanum. Greyish or eee above, waxbled with 
dark brown; sometimes a light vertebral stripe ; limbs with dark 
ae oe 
