TERMITES FROM THE AUSTRALIAN REGION. 
Soldier (Small Form). 
Colour . — Head and pronotum raw sienna ; labrum antique 
brown ; legs cream colour. 
Head (Fig. 17).— Short and wide, widest behind the antennal 
fossae, broadly rounded behind, with only three pairs of long slender 
setae (situated as shown in figure) . Labrum of typical form , 
extending beyond mandibles. 
Mandibles typical. Antennae 13-jointed (rarely 12-jointed), 
the 3rd shortest and narrowest. Palpi long, reaching to the apex 
of labrum. 
Thorax (Fig. 18). — Pronotum small, anterior margin markedly 
convex and slightly elevated in the middle, sides rounded, posterior 
margin slightlv sinuate, with three pairs of long slender setae, 
arranged one on either side of the middle line and near the anterior 
margin, one on each antero-lateral angle and one on each postero- 
lateral angle. 
Legs . — Moderately stout ; with scanty, long fine setae. 
Abdomen . — ^Each tergite with six large setae like those on thorax ; 
each sternite with about twelve shorter and paler ones. Cerci 
very long and slender. 
Measurements . — 
Total length . . . . . . ■ . . . 2 * 10 
Head, Avith mandibles, long .. .. .. I'lO 
,, to posterior margin of fontanelle, long .. O' 52 
,, wide . . . . . . . . ..0*56 
Labrum, from anterior margin to clypeus, long . . O' 35 
Pronotum, long . . . . . . . . . . 0 ' 25 
,, wide . . . . . . . . 0'37 
Mesonotum, wide .. .. .. . . 0'37 
Metanotum, Avide .. .. .. .. 0'44 
Antennae (13-jointed), long .. .. .. 0'96 
Tibia hi, long .. .. .. .. .. 0'54 
Abdomen, Avide . . . . . . . . . . 0 ' 68 
Worker. 
Colour . — Head buff yellow, AAuth dark reddish spot at either 
end of clypeus. 
Head . — Hemispherical, widest behind the antennal fossae, flat- 
tened on the vertex ; AAdth scanty moderately long and stout setae. 
Antennae 13- to 15-jointed, the 3rd and 4th more or less fused. 
Labrum convex, rounded on sides and in front ; with a few long 
setae. 
Thorax . — Pronotum very short ; the anterior halt elevated and 
margins rounded ; posterior margin as in soldier. 
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