19, 1 Light: Notes on Philippine Termites, II 51 
with exception of apical segment which is narrower and 
elongated oval: Antenne and palpi very hairy, head with 
a few scattered hairs. Pronotum somewhat arched transversely 
and longitudinally, narrower than head, nearly twice as broad 
as long, anterior margin weakly concave, upturned, sides up- 
turned, rounded; receding to form rounded posterior margin. 
Mesonotum and metanotum much narrower than pronotum, 
sharply rounded posteriorly. 
Wings hyaline, veins difficult to make out, with exception of 
costa and radial sector which are large and a yellowish gray in 
color and run close together and parallel to one another to near 
the tip where they become much narrowed, lose their color, the 
radial sector soon uniting with costa; costa and radial sector 
joined in distal third of wing by 8 or 9 short, thick, cross veins as 
In P. tnopinatus. Median of anterior wings very variable, united 
with cubitus through greater or less portion of wing; in many 
Wings separating and uniting once or twice to form enclosed 
cells (see Plate 3, fig. 1); in other wings median arises from 
cubitus near distal third of wing as in P. flavus; median or 
median and cubitus when united joined to radius sector by 
numerous, rarely branched, cross veins; cubitus giving off numer- 
ous (12 to 18) branched or unbranched veins to the posterior 
margin, which are united by numerous cross branches result- 
ing in a characteristic reticulation. Median of hind wing often 
arising from radial sector near base of wing or by branches 
from radial sector and cubitus and united by numerous cross 
veins to radial sector and cubitus. All veins marked externally 
by lines of little hairlike rugosities. Anterior wing scales much 
larger than posterior pair; both light brown in color with ex- 
ception of oblique white line and bearing a few scattered 
spinelike hairs and a line of similar hairs along anterior border. 
Large soldier—Head outstretched, body long and slender, 
body with head and mandibles as long as adult, head yellow, man- 
dibles reddish black, thorax and abdomen light yellow, hairs 
Scattered on head, numerous on all other parts. Head con- 
Siderably longer than broad, posterior border straight, corners 
rounded, broadest near posterior end, converging anteriorly, head 
with mandibles 2.75 to 3.00 millimeters long, without mandibles 
1.80 to 1.90 millimeters long, maximum width 1.40 to 1.65 milli- 
meters, minimum width 1.00 millimeter; head very low, flat- 
tened above; ventral genze somewhat arched; gula much nar- 
rowed at middle, nearly as broad posteriorly as in region of 
