BY AVALTER AV. FROGGATT. 551 



Heterotermes platycephalus, n.sp. 

 (PL xxxY. fig. 10; PL xxxYi. fig. 4.) 



General colour castaneous, legs brown, labrum ochreous; 

 antenn.ie barred with white at the apex of each segment; wings 

 pale fuscous with the nervures brown. Length to tip of wings 6, 

 to tip of body 2h lines. 



Head very large, longer than broad, almost quadrate, rounded 

 behind and straight on the sides to well in front of the eyes, 

 flattened upon the summit, slightly arcuate behind the clypeus. 

 Eyes small, circular, well down on the sides of the head, not pro- 

 jecting ; the ocelli wanting. Clypeus large, prominent, and 

 rounded on the sides and apex, very slightly concave in front, 

 with a median suture through the centre dividing it into two 

 lobes; labrum broad, rounded in front. Antennee 16-jointed, 

 long, with large thickened segments, springing from in front of 

 eyes; 1st joint long, cylindrical; 2nd and 3rd very small; 4th- 

 15th increasing slightly in size towards the tip; terminal joint 

 oval. Thorax covered with long scattered grey hairs; prothorax 

 not as broad as head, truncated on the sides, rounded and arcuate 

 in the centre of both base and apex. Legs short, robust; tibiie 

 broad at tip, with four slender spines; tarsi slender. Wings 

 nearly thrice as long as broad, rounded at the tip; scapular shield 

 slender, hairy, angular, showing the base of four nervures; costal 

 and subcostal nervures running very close together to tip ; 

 median nervui'e ver}'^ fine, running close to subcostal, divided and 

 turning down at the tip: submedian fine, with seven thickened 

 oblique nervures; the first two very small; the 3rd, 4th, 6th, and 

 7th furcate, with four or five slender oblique apical nervelets. 

 Abdomen short, elongate and oval at the tip. 



Hab. — Kangai-oo Island, 8. A. (Mr. J. G. O. Tepper). 



I have one mounted specimen from the Adelaide Museum. It 

 is a very curious form differing from all other species in the long- 

 quadrate head and thick antenna?. There are also four specimens 

 of this termite in the Macleay Museum, laijelled South Australia. 



