OBSEKVATIONS ON SOME SOUTH AFRICAN TERMITES. 47^1 



narrower than XVI. Joint I cylindrical, with an apical whorl' 

 of small bristles ; II coarse, sub-clavate, with a whorl of almost 

 obsolete bristles ; III elongate clavate, with an intermediate 

 and distal whorl of bristles ; IV onwards with one whorl of 

 bristles; IV sub-obcoiiic ; V sub-globose; VI-XVI elongate, 

 sub-obconic ; XVII short-oval ; apex convex, truncate. 



Cliila elongate, less than half the width of ventral gena ; 

 sides parallel and faintly incurvate. Free apex short, nar- 

 rowed ; distal margin incurvate, sides straight, oblique. 



Thorax. — Yellowish or yellowish-red; shields frequently 

 deeply bordered with smoky brown ; margins slightly up- 

 bent, 



Pi'onotum sellate, narrower than head, about half as long- 

 as wide ; median part of cephalic margin more or less ele- 

 vated and distinctly bilobed, incision notched ; cephalo-lateral 

 corners broadly rounded ; sides curvate, tapering roundly into 

 caudal margin ; caudal margin broadly bilobed. 



Mesonotum about half as long as pronotum and slightly 

 narrower ; caudal margin nearly straight, broadly incurvate ; 

 sides parallel, curvate, or with sides angled variously, or 

 straight, diverging widely and forming with caudal margin 

 distinct caudo-lateral lobes. 



Metanotum a little shorter than pronotum and a little 

 wider ; sides more or less acutely curvate ; caudal margin 

 sinuate. 



Legs pale brownish-yellow, generally paler than body. 



Abdomen. — Bright yellow and pallid yellowish-brown, 

 flattened or arched. 



Minor Soldier. 



Measurements. — Total length 8 to 11 '5 mm. ; head with 

 mandibles 4 to 5 mm. ; head-length less mandible 2-4 to 

 3"3 mm. ; head-width 2 to 2"5 mm. 



The minor soldier agrees very generally with the major 

 soldier, but the head is usually paler, the frontal area less 

 depressed and the mandibles proportionately more slender. 



The antennas of the minor soldier, presenting the same 



