REVISION OF THE JAPANESE TERMITES. 



37 





Length (in m.m.) 



Breadth (in m.m.) 



Pronotum 



0.7 — 0.8 



1.47—1.53 



Mesonotum 



1.0 — 1.1 





Metanotum 



0.9 — 1.0 





Fore wing 



9.0 — 9.5 



2.5 —2.6 



Hind wing 



9.0 



2.5 —2.6 



Soldier. 

 (PL I. Fig. 6 ; Text-fig. 7.) 



Colour. — Head brownish red, darker in front ; labrnm paler ; 

 ante-clypeus light brownish yellow. Mandibles dark brown at the 

 base and black at the tip. Pronotum light yellowish brown with 

 darker coloured margin. Mesonotum, metanotum, legs and dorsal 

 surface of the abdomen light yellowish brown, under surface 

 lighter. 



Head. — Elongate- quadrate, nearly twice as long as broad. 

 The sides parallel and posterior margin almost straight. Forehead 

 obliquely truncate, medially concave. Transversal and median 

 sutures distinct. Hairs scanty. — (Text-fig. 7, a). 



Antennae. — Eather short, 15-jointed: 1st joint large, cylindrical, 

 one and half times as long as broad ; 2nd smaller ; 3rd smallest, 

 annulate ; 5th longer than 4th ; the rest becoming larger toward 

 the extremity; 15th rather small, elongate-oval. — (Text-fig. 7, b). 



Eyes.— Oval, light yellowish brown, slightly projecting on the 

 sides. 



Oce T li. — Appearing as two light yellowish brown spots separated 

 from the eyes by one and half diameter of the latter. 



