EEVISION OF THE JAPANESE TERMITES. 127 



broadest in the middle and broadly rounded in front. Anterior 

 border white. — (Text-fig. 30, c). 



Ante-clypeus. — Nearly as broad as the post-clypeus, rounded 

 in front. 



Post-clypeus. — More than thrice as broad as long. Truncate 

 in front, convex behind, the sides converging anteriorly. Median 

 suture distinct. 



Mandibles. — 4 -toothed on each side and almost similar in 

 form to those of the winged insect. — (Text-fig. 30, d, e). 



Pronotum. — Hairy. Narrower than the head. The elevated 

 anterior portion short, slightly bilobed. The sides rounded, and 

 the posterior margin slightly arcuate. — -(Text-fig. 30, f). 



Mesonotum. — Nearly as broad as the pronotum, twice as broad 

 as long. Broadly concave in front, lateral corners not rounded, 

 sometimes with narrowly projected portion, broad and angularly 

 convex behind. — (Text-fig. 30, g). 



Metanotum. — Almost as the mesonotum, but slightly broader. — 

 (Text-fig. 30, h). 



Legs. — Rather long, femur stout, much broader than tibia ; 

 tibia long and slender, with 2 spines at the terminal end ; tarsus 

 4 -jointed ; 4th joint largest, nearly as long as the other three 

 together. 



Abdomen. — Lightly clothed with short hairs. Large, elongate- 

 oval, much broader than the head or thorax, broadest at the 

 middle and rounded at the end. The 6th ventral plate very large, 

 twice as broad as long, nearly straight in front, rounded on the 

 sides and behind. Cerci conical. Styli absent. — (Text-fig. 30, i). 



