EAST INDIAN TERMITES. 563 



Length of body 4,50 mm. 



Length of head with mandible 2,09 mm. 



Length of head without mandible 1,34 mm. 



Width of head 1,38 mm. 



Width of pronotum 0,75 mm. 



Length of pronotum o 44 mm. 



Soldier (smaller form). — Head pale yellow; mandibles light 

 brown ; abdomen straw-colour. Head sparingly pilose ; abdominal 

 tergites provided with a series of longer spiny hairs. 



Head slightly vaulted dorsally, with rounded posterior border, 

 sides of anterior part abruptly converging anteriorly; fontanelle round 

 with a deep groove running from it to tip of labrum ; forehead strong- 

 ly inclined ; clypeus tongue-shaped, swollen on both sides of the 

 median groove, apical part whitish : labrum rectangular, much longer 

 than broad, reaching beyond tip of mandibles, median groove deep, 

 widened anteriorly, tip two-lobed, whitish, its outer border with dense 

 hairs, the dorsal surface sparsely provided with hairs ; mandibles 

 slender, tip abruptly incurved, the left provided with two teeth, the 

 right with one; antennae 15-jointed, 2nd joint twice as long as 3rd; 

 pronotum minute, with convex anterior and straight posterior border ; 

 mesonotum as broad as pronotum ; metanotum broader than pro- 



notum. 



Length of body 3,20 mm. 



Length of head with mandible 1,34 mm. 



Length of head without mandible 0,81 mm. 



Width of head 0,75 mm. 



Width of pronotum 0,50 mm. 



Length of pronotum 0,34 mm. 



Worker. — Head yellowish white ; abdomen whitish. Head slightly 

 covered with hairs ; abdominal tergites with two irregular series of 

 spiny hairs. 



Head quadrate, posterior border rounded ; fontanelle indistinct ; 



