REVISION OF THE JAPANESE TERMITES. 



121 



broad as long, subsemilunar in shape. 



Mesonotum. — Including the wing-cases, much broader than 

 the pronotum. Wing-cases vary in shape at different stages of 

 growth. In older ones, they are large, nearly three times as long 

 as broad, reaching the 4th abdominal segment, but in younger 

 ones much smaller. 



Metanotum. — Almost similar in form to the mesonotum. In 

 older ones, the end of the wing-case reaches the 5th abdominal 

 segment. 



Legs. — Not very long, hind legs not reaching the end of 

 abdomen. 



Abdomen. — Thickly clothed with short pale brown hairs. 

 Elongate-oval, narrow at the base, broad in the middle, and 

 narrow toward the rounded end. Dorsum arched. Styli absent. 



Measurements :• — • 





Length (in m.m.) 



Breadth (in m.m.) 



Body 



6.0 —8.5 





Head 



1.0 —1.37 



0.97—1.17 



Antenna (15- joints) 



2.0 





Labrum 



0.43—0.47 



0.5 —0.53 I 



Pronotum 



0.37—0.63 



0.8 —1.17 



Fore wing-case 



0.8 —2.9 



0.37—0.90 ; 



Neoteinic queen. 

 (PI. IV. Fig. 25; Text-fig. 30). 



Colour. — Head brown. Antennae, palpi, labrum and post-clypeus 

 yellowish. Ante-clypeus whitish. Pronotum yellowish brown with 



