492 The Philippine Journal of Science 1920 
antennz 15-jointed, basal joint cylindrical, second joint quadrate, 
longer than third, third joint the smallest, nearly half as long 
as fourth, fifth to fourteenth joints suborbicular, apical joint 
oval; pronotum subreniform, narrower than head, anterior and 
posterior borders bilobed, lateral borders rounded, converging 
posteriorly ; mesonotum and metanotum oval, the former slightly 
narrower than pronotum while the latter is much broader. 
mm. 
Length of body 4,80—5.50 
Length of head, with mandibles 2.19-2.28 
Length of head, without mandibles 1.41-1.44 
Width of head 1.15-1.21 
Width of pronotum 0.81-0.87 
Length of pronotum 0.47 
Worker.—Head, thorax, and abdomen milk-white, densely 
pilose. 
Head spherical; antennze 15-jointed, second joint longer than 
third, third joint ring-shaped, fourth joint a little shorter than 
second; clypeus more or less swollen; pronotum much narrower 
than head, semilunar, anterior border obscurely bilobed. 
mm. 
Length of body 4.00 
Width of head 1.19 
Width of pronotum 0.85 
LuzON, Manila, February 17, 1917. 
Remarks.—The present species is the most serious pest to 
wooden structures and woodwork in Formosa. It is here re- 
corded for the first time from the Philippine Islands. 
RHINOTERMITIN 2 
Genus RHINOTERMES Hagen 
Rhinotermes (Schedorhinotermes) tarakensis Oshima. Plate 3, figs. 
7 and 8; Plate 4, figs. 6 and 7. 
Rhinotermes (Schedorhinotermes) tarakensis OsHIMA, Annot. Zool. 
Jap. 8 (1914) 564, pl. 10, fig. 2 (Tarakan, Dutch Borneo). 
Imago.— Unknown. 
Soldier (the larger form).—Head deeply yellow, labrum, an- 
tenn, and labial palpi paler; mandibles light reddish brown; 
thorax, abdomen, and legs yellow. Head and thorax very spar- 
ingly pilose; abdominal tergites moderately covered with deli- 
cate hairs and spiny hairs. 
Head suborbicular, sides very slightly converging anteriorly, 
posterior border broadly rounded; fontanelle distinct, directed 
