748 AUSTRALIAN TERMITID.E, 



truncate in front ; narrow on the sides and broadly I'ounded 

 behind, but shghtly depressed in centre. Legs long; thighs thick, 

 rounded at the tip; tibige long, slender at the base; tarsi slender, 

 long, claws large, spines small. Abdomen short and broad, cerci 

 short, very broad at the base. Wings broad, rounded at the tips, 

 more than thrice as long as broad; scapular shield small, with the 

 base of the parallel nervures branching out close to the cross 

 suture; costal and subcostal nervures very stout, running parallel 

 to each other to the tip of the wing and thickened where they 

 merge into each other; median nervure slender, running through 

 the upper half of the wing, turning down and separating into four 

 slender oblique nervures towards the tip of the wing; submedian 

 nervure running very close to the median to the first fork, with 

 ten oblique nervures, the first four stoutest, the third sometimes 

 branched. 



Soldier. — Head dull reddish-orange, snout brownish-black; legs 

 and antenna? light brown; upper and lower surface of both thoracic 

 and abdominal segments brown, with the segmental divisions 

 barred with white. Length 11 lines. Head slender, rounded 

 behind, sloping on the sides to the long slender snout; antennae long 

 and slender, 12-jointed, 1st joint large, cylindrical, rounded at the 

 tip; 2nd small, narrow at the base, rounded at the tip; 3rd-4th 

 slender, elongate and coalescing at the junction; 5th-llth elongate- 

 oval; 12th rounded at the tip. Thorax very narrow, rounded, 

 with raised collar or ridge in front. Legs long, slender. Abdo- 

 men elongate-oval, more slender than usual; cerci small. 



Worker. — Head reddish-brown except at the base where it is 

 light coloured, with a pale parallel suture through the centre 

 meeting a transverse one, thus dividing the brown colour into four 

 sections; antennae and legs dull yellow; dorsal surface of the 

 thorax light brown; abdominal segments darker, ventral surface 

 lighter-coloured. Length 2 lines. 



Head large, broad behind, conveji, sloping down on the forehead, 

 and contracted at the sides beyond the antennal cleft. Antennae 

 L5-jointed; 1st joint large, 2nd smaller, broadest at the apex; 3rd 

 to 5th fusiform; 6th to 14th turbinate; 15th rounded at the tip; 



