746 AUSTRALIAN TERMlTID^fl, 



the first six thickened, and the last two forming a narrow fork 

 at the tip. Abdomen long, slender, rounded at the tip, with 

 small cerci. 



Soldier. — Head dark castaneous-bi'own, darkest on the sides 

 and the base of the snout, the tip reddish-brown ; antennse 

 ochreous, with both exti'emities of each segment lighter-coloured; 

 dorsal surface of the prothorax and abdominal segment marked 

 with brownish-yellow; the rest j'ellow. Length 1| lines. Head 

 almost round to the base of the antennse, with the apical portion 

 produced into a rather short pointed snout, the head showing a 

 slight suture through the centre; antennae composed of 14 slender 

 joints ; 1st stout, truncate and cylindrical ; 2nd smaller and 

 shorter ; 3rd more slender ; 4th to 13th elongate, pyriform, 

 becoming more rounded towards the tip, the terminal one oval, 

 slightly stalked at the base; palpi extending beyond the tip of 

 the snout. Prothorax along the front edge forming a raised ridge, 

 coming to a rounded point at the sides and rounded behind, with 

 a slight median suture running through the meso- and meta- 

 thorax; legs long and slender; thighs nearly as long as the tibia»; 

 tarsi slender and hairy. Abdomen small, oval, rounded at tlie 

 tip, covered with long hairs; cerci large and conical. 



Worker. — Head pale yellowish-brown, with the centre of the 

 upper surface dark brown, divided into two rounded patches by 

 a pale yellow suture down the centre which meets a cross suture 

 below the forehead, forming another transverse brown band and 

 a dark spot on either side behind the labrum ; the rest j^ale 

 yellow; thoracic segments rather darker. Length of body 3 lines. 

 Head very broad behind, rounded on the sides and summit, 

 broader than long; clypeus very prominent, deeply divided in the 

 centre into two convex lobes, rounded behind and on the sides, 

 arcuate in front; labrum narrow at the base, sloping out to the 

 rounded tip: jaws thick and stout; 1st tooth short and pointed, 

 2nd close beneath, much smaller, sloping out and forming a 

 flattened edge to base; antennse 14-jointed, slender, 1st segment 

 large, 2nd about half the size, 3rd and 6th elongate, 7th-13th 

 turbinate, the terminal one elongate-oval. Legs and thorax as 

 in the soldier. Abdomen large, elongate-oval; cerci large, conical. 



