57- 



M. OSHIMA: 



Length of body 5,00 mm. 



Width of head 1,06 mm. 



Width of pronotum 1,88 mm. 



Worker (the smaller form). — Apical portion of clypeus whitish, 

 its basal portion half as long as broad, markedly swollen ; antennre 

 17-jointed, 3rd and 4th joints subeqnal, considerably shorter than 2nd. 



Length of body 5,00 mm. 



Width of head 1,25 mm. 



Width of pronotum i,8Smm. 



Habitat. — Los-Banos, Luzon ; collected by Prof. Baker. 



Genus Od onto' e vine s Holmgren. 



14. Odontotermes (Odontotermes) celebensis nov. sp. 

 (Pl. IX., fig. 12). 



Imago unknown. 



Soldier — Head yellow; mandible brown, basal part paler; 

 abdomen straw-colour. Head sparingly pilose ; abdominal tergites 

 densely provided with hairs. 



Head ovoid ; basal portion of clypeus short, not distinctly separat- 

 ed from forehead, its apical portion quadrate, short, with rounded 

 anterior corners ; labrum tongue-shaped, apex pointed, not reaching 

 to middle of mandible; mandibles sabre-shaped, with incurved pierc- 

 ing tip, the left mandible provided with a sharp tooth near the 

 middle of cutting edge, the right with a rudimental tooth in the 

 same position ; antennne 17-jointed, 2nd joint as long as 3rd and 4th 

 taken together; submentum rectangular, three times as long as broad, 

 slightly converging anteriorly ; pronotum narrower than head, 

 saddle-shaped, anterior and posterior borders indented at middle, the 

 former two-lobjd, elevated. 



Length (f body 5,00-6, So mm. 



Length of head with mandible 2,84-3,06 mm. 



