BY WALTER W. FROOr^ATT. 549 



ing from an antennal cleft between the eyes; 1st joint stout, 

 cylindrical; 2nd shorter; 3rd rather pear-shaped; 4th-13th larger, 

 orbiculate, becoming more turbinate towards the tip; terminal one 

 rounded. Clypeus broad and short, truncate behind, overlapping 

 the broad bilobed labrum; jaws small, straight on the sides, with 

 the tip curved in, a sharp tooth below, widely separated from the 

 third. Prothorax nearly as broad as head, broader than long, 

 concave in front, rotundate on the sides and slightly hollow 

 behind, a slender median suture at base to the apex of metathorax. 

 Legs short and thick; thighs broad, rounded; tibite with three 

 stout spines at apex. Wings slender, four times as long as broad; 

 scapular shield small and slender, fuscous, the colour extending 

 into the base of wings, the cross suture straight: base of subcostal 

 in fore wings robust, with a short nervure running out of scapular 

 shield and turning up into costal just beyond the suture; costal 

 and subcostal only separated from each other at the extremities; 

 submedian stout at base, running through the middle of wing, 

 with five or six opaque oblique nervures emerging from basal 

 portion and six or seven finer and longer ones towards a*iDex, all 

 these more or less irregular from the many little dots covering 

 the wings. Abdomen long, slender, rounded at tip ; anal 

 appendices very long and slender, close to the tip of abdomen; 

 cerci short and stout. 



Soldiers. — Head pale reddish-yellow, the rest white. Length 

 3.^ lines. Head longer than Vn'oad, rounded behind and straight 

 on the sides, emarginate in front at the base of jaws, truncate on 

 forehead and rugose above clypeus; median and transverse sutures 

 distinct, the latter running out on either side to base of antennte; 

 clypeus hidden; labrum broad, rounded in front and on sides, 

 depressed in the centre' and fringed with fine hairs; jaws -very 

 l)road at base, short, rounded, turning over each other at the tips, 

 with three sharp angular teeth. Abdomen long, slender, and 

 cylindrical, tapering at the tip; cerci short and stout. 



Worker of a general dull white colour; head faintly tinged with 

 yellow; abdomen in life reddish-brown from the food eaten 

 37 



