Length of body 5,50-6,00 mm. 



Length of head with mandible 2,50 mm. 



Length of head without mandible 1,56-1,63 mm. 



Width of head 1,18-1,21 mm. 



Width of pronotum 0,84 mm. 



Length of pronotum 0,50 mm. 



Worker:- Head, thorax, and abdomen milky white and densely pro- 

 vided' with short spiny hairs. 



Head spherical, antennae 15-ur 16-jointed, 2nd joint as long as 

 3rd, 4th joint slightly shortr than 3rd; clypcui trapezoidal, slightly 

 swollen, anterior border straight, boundary between ante-and post- 

 clypeus indistinct; pronotum much narrower than head, semilunar. 



Length of body 4,50-5,00 mm. 



Width of head 1,25-1,31 mm. 



Width of pronotum 0,74-0,81 mm. 



Locality: - Nandai, Foochow. 



Odontotermes (CydoUrines) formosanus (Shiraki). 

 Soldier: -Head reddish yellow; mandibles reddish brown; labial palpi, 

 antennae and legs yellow; abdomen pale yellowish white. Head, thorax, 

 and abdomen sparingly pilose, long hairs mingled with subequal minute 

 hairs. 



Head ovoid," longer than broad, sides slightly coverging ante- 

 riorly; antennae 16-jointed, 3rd joint samllest, 2nd joint nearly twice 

 as long as 3rd, 4th joint shorter than 3rd; mandibles sabre-shaped,with 

 incurved and upcurved piercing tip, each mandible provided with one 

 tooth, of which the left one is distinct and stronger; labrum lancet- 

 shaped, scarcely reaching to middle.of mandible, tip acutely rounded; 



