EEVISION OF THE JAPANESE TERMITES. 



43 



Sei. Coll., 

 Spec. No. 



Caste 



Preser- 

 vation 



Locality 



Collector 



Date 



14 



I. S. 



Ale. 



Chichijima, Bonin Is. 



Datdo 





15 



I. s. w. 



» 







Oct. 12, '12 



16 



s. w. 



» 









17 



I. 



» 









250 



N. S. W. 



» 







Mar. 8, '13 



251 



I.N. S.W. 



» 







Apr. '13 



252 



I.N.S.W. 



" 







Apr. '13 



Imago. 

 (PI. II. Fig. 7; Text-fig. 9). 



Colour. — Head dark brown to brownish black, lighter in post- 

 clypeus. Ante-clypeus yellowish. Labrum, antennae and palpi 

 brown, somewhat yellowish. Pronotnm of the same colour as the 

 head, with a T-shaped mark yellow. Meso- and metanotum also 

 of the same colour as the head. Abdomen dark brown above, 

 much lighter below, excepting the blackish brown terminal portion. 

 Wings brown with blackish veins. Legs with coxae and femora 

 brown, tibiae and tarsi yellowish. 



Head. — Oval, somewhat longer than broad, broadest behind 

 the eye. Summit rather rounded. Head sutures noticeable, but 

 not very distinct. Hairs scanty. — (Text-fig. 9, a). 



Antennae.— 12-1 3 -jointed. In the specimen with 12 joints : 1st 

 joint large, cylindrical ; 2nd much narrower, longer than broad and 

 broadest at the distal end ; 3rd or 4th the smallest ; the follow- 

 ing ones increasing in size toward the extremity, of which 5th — 



