TERMITES FROM THE AUSTRALIAN REHION. 
Fhorax. -Pronotum similar in shape to that of imago, but with 
fewer setae and anterior and posterior margin more deeply emarginate. 
Meso- and metanotum with posterior margin broadly rounded. 
Legs. Short and stout, moderately setaceous, femora markedly 
thickened. 
Abdomen, — hong and slender, bluntly rounded at the apex, with 
scanty setae. Styli long and slender. 
M easuremients . — nnn . 
Total length .. .. .. .. 3 ’50 
Head, with mandibles, long .. .. .. 2 ’10-2 ‘28 
,, without mandibles, long .. .. 1'31 
,, from posterior margin to fontanelle, long O' 85 
,, wide .. .. .. .. 0'74 
Mandibles, long .. .. .. .. O' 96 
Pronotum, long .. .. .. .. 0'40 
,, wide . . . . . . . . 0'57 
Tibia hi, long . . . . . . . . O' 60 
Worker. 
Colour . — Head pale orange yellow ; remainder of insect whitish. 
Head. — Large, widest behind the articulation of the mandibles, 
narrowed slightly to the broadly -rounded posterior margin. Post- 
clypeus short, convex, truncate in front ; anteclypeus very small, 
slightly produced in the middle. Labrum narrowed at the base, 
widest at the posterior third, rounded at the apex, a few long setae 
on the apical half. Antennae 15-jointed ; the 3rd joint smallest 
of all. 
Thorax . — Pronotum similar to that of imago, but with anterior 
third slightly raised ; with few setae. Meso- and metanotum with 
posterior border slightly sinuate ; with very scanty pale setae, as 
on abdomen. 
Legs . — Short and stout ; with scanty, moderately long setae, as 
on abdomen. 
Measurements. mm. 
Total length . . . . . . . ■ . . 3 '00 
Head, from base to apex of labrum, long . . . . 1 '02 
,, wide . . . . ■ • • • . . 0 '80 
Pronotum, long . . . . . • . ■ . . 0'29 
,, wide . . . . . ■ . . 0 '51 
Locality . — Northern Territory : Stapleton, 70 miles south from 
Darwin. 
Affinities . — The imago is easily distinguished from other described 
forms by its small size, but it is probably very similar to the, as yet, 
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