17, 5 
Oshima: Philippine Termites 
495 
thorax, and abdominal tergites very sparingly provided with 
spiny hairs. 
Head suborbicular, posterior border broadly rounded; fonta- 
nelle distinct, directed obliquely forward ; a shallow longitudinal 
groove from fontanelle to tip of labrum, gradually widening 
anteriorly; clypeus semilunar, anterior margin rounded, ante- 
clypeus obscurely separated from postclypeus; labrum elongate, 
extending beyond tip of mandibles, sides nearly parallel, tip 
distinctly bilobed, anterior margin of each lobe provided with 
a cluster of short, thick hairs; antennae 16-jointed, basal joint 
cylindrical, rather short, second joint quadrate, nearly as long 
as third, fourth joint the shortest, more than half as long as 
third, fifth to fifteenth joints spherical, apical joint oval; man- 
dibles slender, with sharply pointed, incurved tip, the left with 
two acutely pointed teeth, directed forward, second tooth smaller, 
the right with one tooth, sharply pointed; pronotum narrower 
than head, anterior border convex, posterior border weakly 
curved at middle, sides converging posteriorly ; mesonotum oval, 
nearly as broad as pronotum; metanotum slightly broader than 
mesonotum; abdomen slender, hind legs exceeding its tip. 
Worker . — Head pale yellow; thorax and abdomen whitish; 
anterolateral corners of forehead brown. Head, thorax, and ab- 
dominal tergites moderately pilose. 
Head quadrate, posterior border broadly rounded; clypeus 
swollen; antennae 17-jointed, third joint smallest, half as long 
as second, fourth and fifth joints subequal; pronotum much 
narrower than head, more than twice as broad as long, anterior 
border raised, not bilobed, sides converging posteriorly, posterior 
border nearly straight, anterolateral corners acutely rounded; 
abdomen ovoid. 
9 mm. 
Length of body 4.20-5.50 
Width of head 1.40 
Width of pronotum 0.75 
Panay, Antique Province, Culasi, May 18, 1918. 
Remarks . — In a decayed log in forest. 
mm. 
Length of body 
Length of head, with mandibles 
Length of head, without mandibles 
Width of head 
Width of pronotum 
Length of pronotum 
4.80-5.20 
1.87 
1.09 
1.00 
0.81 
0.50 
