754 



AUSTRALIAN TERMITID.E, 



in front; labrum large, rounded in front; jaws large, stout, with 

 two sharp curved teeth near the tip, the lower one prolonged into 

 a chisel-shaped edge with a deep incision below; a stout angular 

 tooth projecting beneath and sloping away to the base of the 

 jaws. Prothorax small, slightly convex on summit, truncate in 

 front, with the sides and base forming a half circle, slightly 

 depressed at the back, mesothorax showing two lai'ge lobes 

 between the base of the forewing. Legs stout, very hairy; thighs 

 stout; tibiaj slender, tarsal spines on the hind legs large; tarsi 

 short, claws large. Wings large, thrice and one-half as long as 

 broad, rather narrow at the extremities; scapular shield modei^ately 

 large; costal and subcostal nervures running parallel close together, 

 and curving round the tip of the wing, joining in a slender point; 

 median nervure running thi'ough the middle of the wing and 

 curving downward about one-third from the tip, sending out two 

 acute nervures besides the terminal one, which together with the 

 last is bifurcated ; submedian nervure only extending to the 

 middle of the wing, sending out 9 stout, acute nervures, 7 th and 

 9th bifurcated. Abdomen broad and stout, rounded at the tip ; 

 cerci small, conical. 



Queen.^^Q&di and thorax lighter-coloured. Abdomen 1.3 lines 

 in length ; 4 lines in diameter, cylindrical, segmental divisions 

 only showing slightly upon the sides. 



i'oW'ie/-. — Head dark chestnut, snout black, antennae brown, 

 with the apex of each segment lighter-coloured. Length 2 lines. 

 Head viewed from above pear-shaped, snout slender and pointed 

 at the tip, with slight parallel suture. Antenna} 13-jointed; 1st 

 very large, stout, cylindrical; 2nd about half as long, rounded at 

 the tip; 3rd-13th elongate-oval, uniform in size. Prothorax small, 

 saddle-shaped, with the front margin raised into a ridge. Legs 

 lonw; thighs stout, tibia? slender, broadest in the centre; tarsi 

 small; claws large. Abdomen broad, oval; cerci small. 



Worker. — General colour pale yellowish-brown; head broadly 

 blotched with dark brown, forming a large rounded patch on 

 either side, divided from each other by a light-coloured line, 

 while another line runs into the back of each patch as well; a 



