REVISION OF THE JAPANESE TERMITES. 



149 



and the lateral cuticle more hairy. The 6th ventral plate of the 

 abdomen very large, of about 0.8 m.m. long and 1.4 m.m. broad, 

 convex in front and behind, rounded on sides. Styli absent. 



Measurements : — 





Length (in m.m.) 



Breadth (in m.m.) 1 



Body 



6.5 — 7.0 





Body with wings 



11.5 —12.5 





Head 



1.04—1.16 



1.15—1.23 



Antenna (15-joints) 



1.9 





Labrum 



0.37—0.4 



0.4 



Ante-clypens 



0.37—0.46 



0.37—0.4 



Post-clypeus 



0.13—0.2 



0.37—0.50 



Pronotum 



0.4 — 0.5 



0.87—1.0 



Mesonotum 



0.7 — 0.8 





Metanotum 



0.7 — 0.77 





Fore wing 



9.5 —10.5 



2.4 —2.75 



Hind wing 



8.7 — 9.5 



2.3 —2.5 



Nymph. 



Colour. — Eyes black ; mandibles reddish brown ; antennae, palp^ 

 and abdominal plates yellowish ; the rest white. 



Head. — Hairy. Slightly broader than long, not very rounded 

 on summit. 



Antennae. — Composed of 15 joints, almost like those of the 

 winged insect, but not so loosely jointed as in the latter. 



