REVISION OF THE JAPANESE .TERMITES. 



141 





Length (in m.m.) 



Breadth (in m.m.) 



Pronotum 



0.53— 0.6 



0.93—1.0 



Mesonotum 



0.8 — 0.9 





Metanotum 



0.77— 0.83 





Fore wing 



9.7 —10.3 



2.5 —2.8 



Hind wing 



9.3 —10.0 



2.7 —3.0 



Soldier. 

 (PL IV. Fig. 28 ; Text-fig. 35). 



Colour. — Head bright yellow. Snout reddish brown, paler at the 

 base. Antennas yellow. Pro-, meso- and metanotum, dorsal plates 

 of the abdomen pale yellow. Legs and palpi yellowish white. 



Head.- — Hairs fine, thinly scattered. Oval, converging anterior- 

 ly, rounded on the summit and obscurely concave at the base of 

 the snout. Snout slender, cylindrical, nearly half as long as the 

 head, tip pointed, hyaline and fringed with short hairs. — (Text-fig. 

 35, a, b). 



Antennas. — Long, slender, loosely jointed with 12-13 segments. 

 Of the specimen with 13 joints : 1st joint large, cylindrical ; 2nd 

 shorter ; 3rd narrowest, nearly twice as long as broad ; 4th 

 shortest. The rest becoming larger toward the extremity; 13th 

 elongate -oval, slightly smaller than the preceding joint. — (Text-fig. 

 35, c). 



Pronotum. — Much narrower than the head, saddle-shaped, with 

 short and much elevated anterior portion. Posterior margin rounded, 

 slightly concave in the centre. Median suture white.— (Text-fig. 

 35, e). 



