116 The Philippine Journal of Science wis 
Description of type . — Head moderately large, rather oviform ; 
distance from eye to snout somewhat longer than distance from 
eye to auricular opening; latter at least one-half diameter of 
eye, oval, distinctly oblique; rostral large, wider than deep, 
with a suture above, medially; nostril large, obliquely oval, 
surrounded by rostral, first labial, two subequal supranasals, 
and a postnasal; rostral forming the longest side of nostril; 
a single scale inserted between the two anterior supranasals; 
twelve upper labials ; ten lower labials ; the line of mouth makes 
Fig. 2. Geklco mindorensis sp. nov., X 2. a, chin ; 6, head, side view ; c, anal region. 
a sharp angle upward immediately below eye; loreal regions 
covered with rather enlarged granules, largest immediately in 
front of eye ; a row of enlarged granules bordering upper labials 
above; interorbital region and medial area on snout depressed, 
covered with much smaller granular scales; occipital region 
covered with minute granules interpersed with indistinct larger 
granules; mental triangular, followed by two elongate chin 
shields nearly three times as long as wide; a few enlarged 
pentagonal scales behind and at sides of chin shields; throat 
covered with equal-sized granules, larger than those on dorsal 
surface. Body rather slender, covered above with minute gran- 
