ERIC MJÖBERG, ISOPTERA. 9 



shining deeply impressed between tlie eyes; labium large, 

 convex, completely covering the jaws, narrow at base, broader 

 and rounded at the tip, hairy; jaws short, irregularly 

 triangulär, yellowish-white, except the interiör half, which 

 is fuscous, at the extreme tip with two well-marked sharp 

 teeth and a third more rectangular one itnmediately be- 

 low, the basal inner portion finely serrated as in the imago. 

 Antennae shorter (14-) 15-jointed, the basal joints showing 

 a tendency to divide themselves by indistinct sutures, the last 

 joints well set-off, rounded at the sides, a little longer than 

 broad, hairy, the first and second joint slightly incrassated, 

 the third sometimes indistinctly divided into two, the fourth 

 a little longer; prothorax not so broad as the head, slightly 

 arcuate and broader in front, the sides sharply sloping towards 

 the rounded apical margin, with two deep impressions in front 

 near the margin and a median impressed line, meso- and 

 metathorax slightly broader; abdomen long and slender; 

 cerci and styli as in the imago. 



Measurements: Length of body 6,3 mm, length of 

 head 1,33 mm, breadth of head l,i5 mm, length of pro- 

 thorax 0,39 mm, breadth of prothorax 0,6 6 mm, breadth of 

 abdomen 1,29 mm. 



This verv characteristic species lives in small communi- 

 ties in the dead, rotten logs of the so called »buUock» (a 

 member of the family Meliacae?) where it forms irregular 

 galleries; it is a typical inhabitant of the rain-forestS or 

 jungles. I have specimens from Cedar Creek (April), Malanda 

 (Febr., June) and Herberton (January). The winged insects 

 appear at the end of the wet season (April). 



3. Stolotermes australiciis n. sp. 



Soldier (Plate 1, Fig. 8, Text Fig. 1 c, 3). Yellowish- 

 white, depressed, slender, head with jaws rufous. 



Head flat, much longer than broad, broadest near the 

 eyes, tapering slightly to the base, anterior angles before 

 the eyes projecting in the shape of an obtuse angle, posterior 

 angles rounded; clypeus broad, rounded at the tip, labrum 

 large, convex, broadest at the base tapering towards the 

 apex, covering the basal third part of the jaws, hairy; jaws 



