526 AUSTRALIAN TERMITID.K, 



rounded base, a slight median suture; metathorax smaller, rounded 

 behind. Legs short, rather hairy; thighs short and stout; tibipe 

 modei'ately long, with three short stout reddish spines at the 

 apex; tarsi with the terminal joint not quite twice as long as the 

 three preceding ones combined, tarsal claws long and slender; 

 plantula oval. Wings more than twice as long as wide, broad 

 and rounded at tips; scapular shield long; costal, subcostal and 

 median nervures running parallel to each other at equal distances 

 apart to the tip of the forewing; subcostal with five oblique veins 

 running upwards into costal; median furcate at the tip; sub. 

 median nervure slender, with about 13 oblique nervures, the last 

 four furcate; median with a number of short irregular veinlets 

 along the lower edge, and a faint irregular network of nervelets 

 over the whole wing. Hind wing: costal and subcostal nervures 

 running into each other in the middle of wing ; median furcate a 

 short distance from shoulder, the uj)per branch dividing into five 

 oblique veins, turning upwards into the costal; the lower branch 

 running parallel, straight out to extremity of wing : the rest of 

 wing as in fore pair. Abdomen large, smooth, shining, rounded 

 at tip; cerci short, stout and hairy. 



Soldier. — Head rufous, jaws black; legs, antennae, and pro- 

 thorax pale ochreous; the rest dirty white. Length 6, from tip 

 of jaws to base of head 2| lines. Head longer than broad, rounded 

 at base, straight on sides, emarginate in front and sloping down 

 behind the clypeus, with a median furrow : clypeus hidden, labrum 

 short, rather bi'oad and almost truncate in front; antennae as in 

 winged insect, only more slender; jaws veiy stout and thick, 

 ochreous at base, the rest black, rather straight on sides, meeting 

 at the curved-in tips, with several small teeth along the left jaw 

 J^nd two large angular ones on the right side; thorax and abdomen 

 elongate-oval, nearly as broad as the head, tapering to the 

 rounded tip. 



Worker. — Head pale yellow, jaws black, the rest dull white. 

 Length 5 lines. Head nearly spherical; jaws stout, with two 

 sharp-pointed teeth at apex, and angular ones below; clypeus 



