492 The Philippine Journal of Science 1920 
antennae 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; antennae 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. 
RHINOTERMITINvE 
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, pi. 10, fig. 2 (Tarakan, Dutch Borneo). 
Imago . — U nknown . 
Soldier ( the larger form ). — Head deeply yellow, labrum, an- 
tennae, 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 
