KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 52. N:o 9. 19 
mm. in diameter, and the breadth of the disk on the third finger only 2,5 mm.; in 
the specimen 45 mm. of this species tympanum is 2,9 mm., and the disk of third 
finger 3 mm.). 
Hyla mystax KAMPEN (Resultats de VExped. scient. neerlandaise å la Nouvelle- 
Guinea, Vol. V, Zoologie, p. 173) has vomerine teeth »in zwei kleinen runden Gruppen 
in der Mitte zwischen der Choanen, keine Tarsalfalte» and a quite different colour. 
Hyla tympanocryptis n. sp. 
(Figs. 7 a—e.) 
Tongue oval, nicked and free behind. Vomerine teeth in two small transverse 
groups behind the choan&. Head about as broad as the distance between the tip 
of the snout and the angle of the mouth. Snout triangular, acuminate, much longer 
than the diameter of eye; canthus rostralis very distinct, loreal region high, slightly 
oblique, not concave; nostril nearer the tip of the snout than the eye; interorbital 
space broader than the upper eyelid. Tympanum very small, concealed under the 
skin (hardly distinguishable on the one side). Three outer fingers nearly entirely 
webbed, a broad fold of the web reaches the disks, except on the inner sides of the 
third and second fingers; first finger half webbed. No distinct rudiment of pollex; 
disks of three outer fingers large; the disk of first finger considerably smaller. Toes 
entirely webbed, an oval inner metatarsal tubercle, no outer; disks smaller than on 
the fingers. If the length of tibia is marked off from the knee forwards along the 
body, it reaches the tip of the snout. All upper surfaces finely granulate; the gra- 
nules porous, the pores especially distinct on the head; under surfaces, except on the 
tibia and tarsus, coarsely granulate. A fold from the eye to the axil; a narrow, 
low tarsal fold. Upper surfaces olive, marmorated with light brown. Under parts 
colourless with a faint tint of reddish yellow, except the sides of the throat and 
under margins of the thighs, which are blackish. 
One specimen from Malanda, Febr. 1913. 
Measurements. 
Length between tip of snout and vent 47 mm. 
Breadth of head 17 mm. 
Distance between snout and angle of mouth 16,5 mm. 
Length of snout 8 mm. 
Diameter of eye 6 mm. 
Length of humerus 8 mm. 
From elbow to tip of the longest finger 23 mm, 
