556 



M. OSI 1 1 MA : 



Head ova], slightly vaulted dorsally, sides converging anteriorly ; 

 fontanelle tube-shaped, large, its orifice directed forward, reaching 

 beyond the basal portion of clypeus ; basal portion of clypeus very 

 short ; labrum triangular, with hyaline tip, reaching to middle of 

 mandibles; antennae 14-jointed, 3rd joint as long as 2nd; submentum 

 contracted very weakly in the middle ; pronotum sliglitly longer than 

 half the width, anterior border distinctly indented in the middle, 

 posterior border slightly emarginate at middle. 



Length of bod)- 4,50 mm. 



Length of head with mandible 2,03-2,09 mm. 



Length of head without mandible 1,31-1, 34mm. 



Width of head 1,09-1, 16 mm. 



Width of pronotum o,8i mm. 



Length of Pronotum 0,44 mm. 



Habitat. — Tarakan, Dutch Borneo ; collected by Mr. Kanehira on 

 May 23, 191 3. 



3. Coptotermes bornensis nov. sp. 

 (Pl. IX., Fig. 2). 



Imago unknown. 



Soldier. — Head yellow, darker anteriorly ; mandibles brown. Head 

 and abdominal tergites densely provided with delicate hairs, the latter 

 without special series of spiny hairs. 



Head oval, vaulted dorsally, sides slightly converging anteriorly ; 

 fontanelle directed forward ; basal portion of clypeus very short ; 

 labrum triangular, apex hyaline, scarcely reaching to middle of 

 mandibles; antenna; 13-jointed, 2nd joint longer than 3rd, 4th joint 

 as long as 3rd ; submentum strongly contracted in the middle ; pro- 

 notum slightly longer that half the width, anterior border strongly 

 indented in the middle, posterior border slightly emarginate at middle ; 

 dorsal surface of abdomen with two longitudinal dark bands. 



