398 ME. G. D. HAYILAKB ON TERMITES. 



Queen 6 mm. long, the abdomen much flattened. The lateral 

 cuticle with long hairs but no pigment-spots. 



Soldier 4 mm. long. Head 1 mm. long, 1*2 mm. broad, 

 cordate, very flat, ochraceous, hairy. Foramen absent. Antennge 

 of 14 segments, the 3rd very short, the 2ud longer than the 4th. 

 Labrum lanceolate, acute, reaching nearly to the tip of the 

 mandibles. Mandibles "7 mm. long, tip slightly incurved, the 

 cutting-margin toothless. Gula narrow at the base, broadening 

 considerably towards the apex. Proootum half as broad as the 

 head, the anterior margin convex with a short median process, 

 the posterior margin uniformly convex. Mesonotum and meta- 

 notum broader than the pronotum. Posterior femora much 

 dilated ; the hind legs sometimes exceed the abdomen. Abdomen 

 oblong. Abdominal papillae absent. 



"Worker 4 mm. long, flattened. Head ochroleucous, subtri- 

 angular. Antennae of 14 segments, the 2nd long. Pronotum 

 small, half as broad as the head. Mesonotum and metanotum 

 broader than the pronotum. Pemora dilated. Abdomen elon- 

 gate. 



Sah. Borneo (Sarawak). Type, No. 164. 



Section with Termes tenuis for Type. 



Imago 5 mm. long, slender, umbrinous above. Head convex in 

 profile. Fenestra obscure. Pour obscure pale spots form a 

 curve between the eyes. Antennae of 15 to 17 segments, the 2nd 

 long, the 3rd very short. Pronotum with shortly bilobed anterior 

 margin, converging lateral margins, and obscurely lobed posterior 

 margin. Anterior wing-stumps larger than the posterior, but not 

 overlapping them. Wings more than 4 times as long as broad; 

 the faint median takes a straight unbranched course to the apex 

 of the wing ; the submedian also runs to the apex of the wing. 

 Abdominal papillae present. 



Soldier 4 mm. long ; head ochraceous, thorax and abdomen 

 milk-white. Head about 1"3 mm. long, '8 mm. broad, prominent 

 in profile above the level of the antennae. Antennae of 13 to 15 

 segments. Labrum lanceolate acute, reaching to the middle of 

 the mandibles. Mandibles slender, nearly straight, with slightly 

 incurved piercing-tip and toothless cutting-margin. Gula 

 narrow in the lower half, broadening rapidly in the upper half. 

 Pronotum with bilobed anterior margin. Abdominal papillae 

 present. 



