'I’KRMITK.S FROM THK AUSTRAI.IAN HECaON. 
anterior inaru'in convex. Antennae ]4-)ointed; 4tli joint sliortest, 
hut little shorter than hrd ; 5th iioticeably longer than 4th and 
sliorter tliaii, (itli ; htli to I ttli lony and slendei'. 
Thorax. Pronotnin much narrower than Iiead ; witli scattered 
lono, pale hairs, anterior lialf narrowed and hent up, anterior margin 
with slight emargination, anterolateral angles produced, the sides 
and postei’ior margin together almost hemis[)herical. 
MeaxaremealK. 
Total length 
Head, to apex of lahrum, long 
,, to cly|)eofrontal suture, lon^ 
,, wide 
Protiotum, loiig 
,, wide 
441)ia iii, long 
LoruLif/i. Northei’n Territory : Staj)leton 
mm. 
4 d >0-4 -75 
(>•85-1 -19 
0 •45-0 -62 
0-85-1 -08 
0-28-0 -80 
0-57 0-62 
0-85-0-91 
Described f?'oni two irnagos, one soldier and two workers from 
near the ground in the clayey wall of a termitarium of Coptotermes 
aci/iiaciforna.s (Krogg.), which was itihabited also by a colony of 
^! ioroceroferine.'i fufiax, n. sp. (D.F.H., 21.12.12). 
Ty|)es (imago, soldier and worker) in tlie National .Museum of 
\4ctoria. 
.Mikotermes octa’LTUS, n. si). 
IMate IV., figs. 147 149 ; Idate VI., fig. 215. 
I MA(!(). 
Colour. Head chestnut ; [lostclypeus clay colour ; labrum liglit 
orange yellow ; thorax and abdomen a little lighter than head ; 
under surface, wings and legs ochraceous tawiry. 
[lead (Fig. 147). Small, bi'oadly rounded beldnd, moderately 
setaceous, hairs short. Fontanelle long and narrow, obscurely forked 
anteriorly, its anterior end in line with the middle of the eyes. Eyes 
relatively large (0-187 X 0-187), prominent, finely facetted. Ocelli 
large, broadly oval, separated from the eyes by a s])ace equal to 
their breadth. Fostclypeus small, about one-third wider than long 
(0-204 X O-.'lOb), truncate in front, moderately convex, median 
suture not very distinct, with scattered, moderately long setae ; 
antec'lypeus large, nearly half as long as iK)sti‘lyi)eus, slightly pro- 
duced in front. Eabrum long and rather narrow, narrow at base, 
I'ounded in front. Mandibles (Fig. 148) with the a[)ical tooth 
markedly longer than the succeeding one. Antennae 14-jointed ; 
2rd joint very little smallei' than 4th ; 5th to Kith increasing in 
size progressively. 
