296 Philippine Journal of Science 1920 
Key to the Philippine species of Philautus Gistel. 
a’. Fingers free; first finger shorter than second, not opposed to others. 
b*. Toes webbed at base. 
c’. Heel reaches beyond tip of snout; snout with conical projection; 
tympanum dim, less than one-half eye; interorbital space wider 
than eyelid; skin shagreened above; 29 mm; Mindanao. 
P. woodi Stejneger. 
c’. Heel reaches eye; snout rounded; tympanum dim, about one-third 
of eye; interorbital space equals upper eyelid; tubercle on eyelid 
and heel; skin entirely smooth above; male with vocal sacs; 34 
mm;°Canlaon Volcano, Negros................-.-------.-- P. hazele sp. nov. 
67. Toes one-third webbed. 
c’. Heel reaches beyond tip of snout; tympanum hidden; skin sha- 
greened above; interorbital space broader than eyelid; 20 mm; 
ee eT ee pa Uae on ae lee te Reco oe P. leitensis (Boulenger). 
c’. Heel reaches nostril or tip of snout; skin smooth above; tympanum 
distinct, one-third to two-fifths eye; 29 mm; Mount Dulangan, 
Weninore 20 er P, mindorensis (Boulenger). 
6°. Toes one-half webbed. Heel reaches far beyond tip of snout. 
c. Two converging ridges on shoulders; skin rough; tympanum dis- 
tinct, equaling two-fifths eye; interorbital space wider than 
eyelid; male with vocal sac; 21 mm; Palawan. 
P, longicrus (Boulenger). 
c’. No converging ridges; skin smooth; tympanum one-fourth size 
of eye; 18 mm; Mindoro.......................... P, schmackeri (Boettger). 
b*. Toes nearly entirely webbed; snout pointed; tympanum small, covered 
with skin; skin smooth, with granules on back and eyelid; 22 mm; 
pitern Windands P. acutirostris (Peters). 
a» Fingers partially webbed; first finger shorter than second and opposed 
to third and fourth. 
b’. Fingers one-third to one-half webbed; first opposite rest; toes nearly 
entirely webbed; tympanum one-third eye, covered with skin; male 
with vocal sac; 834 mm; Agusan River, Mindanao. 
P. bimaculatus (Peters). 
b*. Fingers not more than one-fifth webbed; first two opposite third and 
fourth; toes two-thirds webbed; tympanum distinct, about three- 
fifths eye; skin smooth; 39 mm; Bongao, Sulu Archipelago. 
P. montanus sp. nov. 
Philautus woodi Stejneger. 
Philautus woodi STEJNEGER, Proc. U. S. Nat. Mus. 28 (1905) 346. 
Description of species——(From Stejneger.) “Snout longer 
than diameter of eye, with a pointed conical projection forming 
a distinct ‘nose’; nostrils located nearer the tip of the snout than 
the eye; canthus rostralis sharp; lores very concave, the concavity 
continued forward beyond the nostrils; interorbital space wider 
than upper eyelid; tympanum scarcely distinguishable, apparently 
not larger than half the diameter of the eye; fingers free, first 
