REVISION OF THE JAPANESE TERMITES. 85 



and more stalked toward the extremity ; 1 8th somewhat slender, 

 elongate-oval.- — (Text-fig. 19, b). 



Eyes. — Small, round, coarsely facetted and slightly projecting 

 on sides, whitish in colour. 



Labrum. — Linguiform, almost as long as broad. Anterior border 

 white, with a few short bristles. — (Text-fig. 19, c). 



Ante-clypeus. — Short, nearly as broad as the labrum. 



Post-clypeus. — Longer and broader than the ante-clypeus. 



Mandibles. — Sabre-shaped, broad at the base, pointed and 

 incurved at the tip. Inner margin without teeth, except a few 

 faint ones and a round knob at the base of the left mandible. — 

 (Text-fig. 19, cl, e). 



Pronotum. — Flat, much narrower than the head, slightly 

 concave in front, antero -lateral corners rounded, sides rounded and 

 converging posteriorly, posterior margin slightly emarginate in the 

 middle. Median suture distinct. The margin clothed with long 

 and short hairs. — (Text-fig. 19, g). 



Mesonotum. — Nearly as broad as the pronotum. Anterior 

 margin narrow and deeply concave, sides rounded, posterior margin 

 broad and rounded. 



Metanotum. — Almost like the mesonotum, but more or less 

 shorter. 



Legs. — Long and slender, femur much broader than the tibia ; 

 tibia slender, covered with short spiny hairs and also with 2 or 3 spines 

 at the apex ; tarsus 4 -jointed ; 2nd joint smallest ; 4th much longer 

 than the preceding three combined, with 2 sharp curved claws. 



Abdomen. — Elongate-oval, covered with long and short hairs. 

 Cerci rather long, styli cylindrical, slender. 



