termitp:;s from thp] Australian rpxuon. 
fontanelle situated midway between clypeo frontal suture and frontal 
piocess. Labium with anterolateral angles produced into acute 
})omts. Antennae (Fig. 131) 14-jointed ; 1st long and stout, rather 
more than half as wdde as long ; 2nd as long as 1st is wide, narrowest 
ah base ; 3rd one-fifth shorter than 2nd, widest in middle ; 4th 
shortest and narrowest of all ; 5th a little longer and wider than 
ord ; 6th to 14th progressively longer ; 14tli as long as 1st, one- 
third as wide as long. Llypeus nearly quadrate ; ' anteclypeus 
whitish, loiinded m front ; frons concave, shagreened, rugose. 
Thorax.- Pronotum very small, less than half as wdde as liead, 
sharply bent up in front, anterolateral angles prominent, sides 
sloping t() the slightly emarginatc rounded posterior margin, entire 
margin with scanty fringe of moderately stout reddish setae. 
Legs.- Moderately stout, wdth few' setae. 
Abdomen.- Elongate-oval, ])ointed tcnvards the apex, wddest in 
middle, with scanty long and short setae. 
Measurements. - 211111 . 
Total length . . . . . , , . . . 3’29 
Head, to apex of frontal process, long . . . , 1 -08 
,, at wddest part, wdde . . . . . . ()*87 
,, at narrowest part, w'ide .. .. . . 0‘75 
Pronotum, long . . . . , . . . . . 0-23 
wdde .. .. .. .. 0-40 
Tibia iii, long .. .. .. .. .. 0*56 
W'ORKER. 
Colour.- Head, thorax, legs ami antennae straws yellowL 
Head. Slightly longer than wide, posterior half hemispherical, 
antennal fossae large, frons flattened, clothed wdth moderately large 
reddish setae ; postclypeus large, markedly convex and arcuate 
behind, twdce as wdde as long, wdth scattered reddish setae ; ante- 
clyjieus very short and broad, anterior margin obtusely angulate. 
Antennae 14-jointed ; 4th joint shortest, about half as long as 3rd. 
Thorax.- Pronotum tw'o-thirds the wddth of head, similar in 
shape to that of soldier, wdth scanty reddish setae as on meso- and 
metanotum. 
HWowcw.-- Elongate-oval, wddest in the middle, tapered to the 
pointed apex. 
Lomlitg. South-west Australia ; Wongong (type locality), Lud- 
low', Armadale. Collected by Mr. 3. Clark. 
Affinities. The small size of the imago and the shajje of the head 
of the soldier distinguish this from any other knowm Australian 
species. 
Types (imago, soldier and worker) in National Museum of 
Victoria. 
