17, 5 Oshima: Philippine Termites 497 
erately pilose, the latter with a series of spiny hairs along the 
posterior border. 
Head oval; fontanelle obscure; clypeus trapezoidal, indistinctly 
separated from forehead, not divided into two parts, anterior 
border straight; labrum tongue-shaped, obtusely pointed ante- 
riorly, tip not reaching the middle of mandibles, provided with 
a few spiny hairs; mandibles saber-shaped, with incurved and 
upcurved piercing tip, the left with a sharply pointed tooth at 
middle of cutting margin, the right nearly smooth with a very 
low weak tooth; antennz 17-jointed, basal joint enlarged, cylin- 
drical, second joint elongate, nearly twice as long as third which 
is the smallest, fourth joint slightly longer than third, subequal 
to fifth, other joints quadrate, apical one oval; pronotum saddle- 
shaped, much narrower than head, anterior border bilobed, 
posterior border weakly incurved at middle, sides strongly con- 
verging posteriorly; mesonotum subreniform, narrower than 
pronotum; metanotum oval, nearly as broad as pronotum; ab- 
domen rather short; styli 1-jointed, hind legs reaching beyond 
tip of abdomen. 
mm, 
Length of body 5.50-7.00 
Length of head, with mandibles 3.13-3.24 
Length of head, without mandibles 2.08—-2.25 
Width of head 1.59-1.77 
Width of pronotum 1.15-1.29 
Length of pronotum 0.69-0.72 
Worker.—Head yellow, antennze and postclypeus somewhat 
paler; anteclypeus whitish; thorax and abdomen yellowish white. 
Head nearly smooth, with a few short spiny hairs; thorax and 
abdomen sparingly pilose. 
Head quadrate, shorter than broad, posterior border broadly 
rounded; postclypeus swollen, trapezoidal; anteclypeus much 
narrower and shorter than the former, anterior border straight; 
antenne 13-jointed, second joint nearly as long as third, 
fourth joint narrow, half as long as third; pronotum semi- 
lunar, anterior and posterior borders straight, sides converging 
posteriorly. 
mm, 
Length of body 4.20-5.00 
Width of head 1.15-1.44 
Width of pronotum 0.94-1.19 
_ Panay, Antique Province, Tibiao, May 9, 1918; Culasi, May 
16, 1918. 
Remarks.—Found in an old log. 
