MK. G. D. HAVIL/VND ON TERMITES. 431 



slightly deflexed ; postero-lateral margins nearly straight. Pos- 

 terior margin of the mesonotum somewhat broad, concave ; 

 posterior margin of the metanotum narrower. Wings 11 mm. 

 long, umbrinous ; the median is nearer to the submedian than 

 the subcostal, it reaches to the apex of the wing, it may or may 

 not have offsets; the submedian has 8 offsets and reaches nearly 

 to the apex of the wing. The hind legs exceed the abdomen. 

 The abdominal papillae absent. 



Pemale with the ventral plate of the 7th abdominal segment 

 not half as long as broad. The abdomen of the queen reaches a 

 length of 16 mm. ; there is well-marked secondary chitinization ; 

 the cuticle has numerous minute pigment-spots and hairs. 



Soldier 3 mm. long. Head *8 mm. broad, dark castaneous. 

 Antennae of 13 segments, the 3rd longer than the 2nd or 4th. 

 Eostrum stout, conical, with red tip, its anterior surface is not 

 in a plane with the anterior surface of the head. Mandibles 

 rudimentary. Gula not so long as broad. Pronotum saddle- 

 shaped, the anterior lobe short, elevated. Posterior femora um- 

 brinous, reaching to the 7th abdominal segment. Abdomen ovoid, 

 the dorsal plates arched, fuliginous. Abdominal papillae absent. 



"Worker 4 mm. long. Head castaneous. Antennas of 14 

 segments. Abdomen ovoid, with the dorsum arched. 



Nest spherical. 



Sab. Malay Peninsula (Singapore, Bukit Timah). Type, 

 No. 20. 



Only one nest of this was found ; it was 10 feet from the 

 ground and larger than nests of T. singaporiensis. It is quite 

 possible that this species and the last two should be regarded as 

 varieties of a single species. 



Section with Termes lacessitus/or Type. 



Males 8 to 9 mm. long. Eyes and ocelli large. Penestra 

 present. Antennae of ]5 segments, the 3rd slightly longer than 

 the 2nd. Wings fuliginous, the median nearer the submedian 

 than the subcostal. Abdominal papillae absent. 



Soldier 4 mm. long. Head 1 mm. broad or less. Antennae 

 of 14 segments, the 3rd longer than the 2nd, shorter than the 

 4th, the 7th elongate, at least twice as long as broad. Eostrum 

 rather slender, its anterior margin forming a curve with the 

 front surface of the head. Mandibles rudimentary. Grula not 

 so long as broad. Pronotum saddle-shaped, the anterior lobe 



