OBSERVATIONS ON SOME SOUTH AFRICAN TERMITES. 469 



extended, curvate ; sharply angled at caudo-lateral corners ; 

 caudal margin straight or faintly incurvate. 



Abdomen. — Polished, diffuse ochraceous-brown. 



Legs ochraceous. 



Minor Soldier. 



Measurements. — Total length 8 to 9 mm.; head with 

 mandibles 4 to 4'5 mm.; head-width 2'3 mm. 



Compared to major soldier very small ; head ochraceous ; 

 mandibles slender, 2 mm. long ; antennae XVII-jointed ; 

 agreeing in other features. 



Major Worker. 



Measurements. — Total length 8 to 9 mm.; head- width 

 2'! mm. 



Head. — Reddish-ochraceous, rather pale with a white spot 

 in fork of Y-suture and paired ocellus-like spots on caudal 

 side of arms of suture as in T. swazise; mandible reddish ; 

 abdomen a dark sordid brown. 



This worker is characterised by its distinct, convex, pale 

 yellow eye-spots and the peculiar pattern of the antenna?. 



Antennae XIX- j ointed ; joint VI broader than V or VII and 

 very conspicuous ; II elongate, cylindrical, constricted at half 

 its length and swollen at apex ; joints III and VI are both 

 striking; III is elongate cylindrical, constricted at half its 

 length and swollen at its apex, it is either nude or with short 

 spines ; VI is obconic and very broad, much broader than any 

 joint other than I ; V is a nari-ow joint compared to IV and 

 VI. 



I the longest (260 fx) broad cylindrical with a whorl of 

 short spines. 



II cylindrical, with a whorl of bristles a little shorter than 



I (200 fjL). Ill (as above) as long as II. 



IV short obconic, broad, somewhat globose ; as broad as 



II or broader, not as broad as VI, nearly half the length of 



III (120;,). 



V conspicuously narrow, longer than IV and shorter than 

 VI (150^). 



