BT G. P. HILL. 149 



stumps small, equal, covering about half the notum, posterior margin of meso- 

 and metanotum slightly sinuate. 



Legs moderately long and stout. 



Abdomen with very distinct tergites, clothed with dense short setae, re- 

 mainder of abdomen creamjr white, glabrous. 



Measurements : 



Total length 33.00 mm. 



Head wide 1.97; long 2.35; deep 1.17. 



Thorax and abdomen, long 31.00. 



Pronotum: long 1.17; wide 1.88. 



Tibia iii. 2.82. 



Abdomen, wide 9.00. 



Soldier. (Text-flg-s. 12-14.) 



Colour: Head very dark chestnut, base of snout a little darker than rest, a 

 little lighter behind; antennae fuscous; thorax, legs and abdomen lighter, anterior 

 margin of pronotum very dark. 



Head (Text-figs. 12, 13) large, wide, round behind, snout moderately long 

 and stout, clothed with scattered fine pale setae. Antennae (Text-fig. 14) 14- 

 jointed, very long and slender, first joint long and moderately stout, as long as 

 fifth, second short, about half as long as first and much narrower, shortest of 

 all; third very long and slender, equal to or very little shorter than fourth; fourth, 

 fiftli and sixth progi-essively longer, seventh and eighth equal in length to sixth; 

 ninth shorter than eighth, equal to fourth; tenth to thirteenth inclusive a little 

 shorter than ninth and a little longer than fourteenth. 



Thorax: Pronotum saddle-shaped, anterior half bent up sharply, very dark, 

 anterior margin rounded, slightly emarginate in the middle, lateral areas narrow 

 and bluntly pointed, posterior margin rounded and slightly emarginate. Mesono- 

 tum much narrower than pronotum. 



Legs long and slender, clothed with short fine setae. 



Abdomen much narrower than head, tergites with scanty, long reddish setae; 

 cerei long and slender. 



Measurements : 



Head : long 1.88 mm. ; wide 1.22. 



Thorax and abdomen, long 2.53. 



Pronotum: long 0.25; wide 0.65. 



Tibia iii. 1.84. 



Abdomen, wide 0.95. 



Note: In some of the tubes there are a few soldiers with smaller and less 

 rounded heads, but othenvise similar. These have heads 1.74 long x 0.98 wide. 



Worker. 



Colour: Head dark chestnut, with pale sutures; clypeus, legs and pronotum 

 pale yellow, antennae paler. 



Head large, rounded, clothed with pale setae ; post clypeus convex, about 

 twice as wide as long, arcuate behind, ti-uncate in front; anteclypeus hyaline, 

 with middle of anterior margin strongly produced forward. Antennae 15-jointed, 

 first joint long and moderately stout, second about half as long and much nai- 

 rower, third very long and slender, fourth long and narrow, but shorter than 

 third. 



Thorax : Pronotum saddle-shaped, anterior half bent up, emarginate in mid- 



