298 
Philippine Journal of Science 
1920 
Pliilautus hazelae sp. nov. Plate 3, fig. 2. 
Type- — No, F293, E. H. Taylor collection; collected at an 
elevation of about 1,000 meters, on Canlaon Volcano, central 
northern Negros, P. L, December 25, 1916, by E. H. Taylor. 
Description of type . — Vomerine teeth wanting; choanse very 
small, near outer edge of the palate; tongue oval, the anterior 
part forming a rounded moundlike prominence, notched behind, 
forming two distinctly rounded horns, widely separated at base ; 
head short, neither snout nor occipital region concave; canthus 
rostralis distinct, rather angular; loreal region concave, sloping 
obliquely to mouth ; eye large, pupil horizontal, diameter of eye 
slightly less than distance from eye to end of snout; nostril 
much nearer end of snout than eye; distance between nostrils 
equals their distance from eye; interorbital space about equals 
width of upper eyelid; tympanum, one-third to two-fifths the 
diameter of eye ; skin of body, above, smooth, shiny ; sides, belly, 
and underpart of thighs strongly granular; chin and underpart 
of arms smooth; a single, distinct rounded tubercle on posterior 
part of eyelid; a supratemporal fold from eye to arm; a short 
glandular fold behind and below tympanum, at angle of mouth, 
and another short fold above and in front of arm ; a very prom- 
inent tubercle at end of tibia, with several smaller tubercles 
about it; fingers quite free with large transversely oval pads, 
much larger than tympanum; first finger only about two-thirds 
second, its disk very small but a little larger than the subarti- 
cular tubercles ; second finger shorter than fourth ; disk of fourth 
barely reaches base of disk of third ; subarticular tubercles v/ell 
developed, tubercles on palm not well defined ; toes with a trace of 
web ; toes with disks of unequal size ; disk on fourth toe largest, 
but not equal to size of largest finger disk; an elongate tubercle 
on inner metatarsus, more than half the length of first toe; a 
very dim outer metatarsal tubercle; fifth toe longer than third; 
tibiotarsal articulation when brought forward reaches eye or a 
little beyond; each disk with a distinct groove around edge. 
Males with internal vocal sacs. 
Color in life . — Above dark brown with a large, more or less 
regular, slate-black mark on back; head with a triangular spot 
on interorbital region; two elongate curving stripes on back; 
legs and digits barred with brown; belly bright canary yellow, 
mottled, reticulated, and spotted v/ith brown; posterior part of 
belly and underpart of limbs and sides brown, with minute 
yellow punctations ; labial region above with darker marks, below 
