H Y L A .—Lawrenti. 
Genus Hyra.—Cuaracrers. Tongue elliptico-circular, nearly entire, or but 
slightly notched behind, and movable only at its posterior extremity; teeth in 
upper jaw and palate, the latter either between posterior nares or a little before 
or a little behind; tympanum distinct; male with a vocal vesicle; fingers four; 
toes five, slightly depressed, the former free, the latter more or less palmated, and 
all terminating in enlarged disks or viscous pellets. 
HYLA VERSICOLOR.—Leconte. 
Plate XXVIII. 
Cuaracters. Resembling the toad in form, but more flattened; body short, 
and warty above; colour varying at times from the palest ash to dark brown, 
marked with several large irregular blotches of brown and frequently tinged with 
green, white and granulated beneath; abdomen yellow near the thigh; leg shorter 
than the thigh. 
SynonymeEs. Hyla versicolor, Leconte, Lyc. Nat. Hist. N. Y., vol. i. p. 281. 
Hyla versicolor, Harlan, Med. and Phys. Res., p. 108. 
Tree-toad, Vulgo. 
Description. This is a beautiful species of Hyla; its colours seeming almost 
to vary at the will of the animal. The head is short, broad and obtuse, with a 
dark brown spot on each orbit. The upper jaw is brown, marked with white 
spots; the lower is entirely white. The mouth is large, the tongue sub-circular, 
