486 CLAUDE FULLEK. 



somewhat straight ; points incurved ; taken together much 

 narrower than head ; with bases diverging widely to side 

 margins of head ; cutting margin very minutely jagged, not 

 toothed or serrulate but resembling the " wire-edge " of a 

 razor ; left mandible with a delicate, rounded, salient tooth at 

 base. 



Antennae pallid; almost moniliforrn ; Xlll-jointed; charac- 

 terised by the smallness of III and its incomplete separation 

 from IV. I and II cylindrical ; III-VII globose ; VIII-XII 

 more or less obconic ; XIII elongate-ovate ; joints widening 

 from III onwards. XIII the longest joint and I the second 

 longest ; VII to XII longer than II ; VI sub-equal or shorter 

 than II ; IV longer than III and a little more than half the 

 length of II ; III half the length of II ; III + IV = II. 



Gula, free apex short, narrowed ; distal margin straight, 

 sides oblique. Inserted region elongate; widest at cephalic 

 end; sides incurvate and tapering almost to occipital foramen,, 

 then diverging widely. 



Thorax. — Pronotum sellate ; meso- and metanotum dis- 

 tinctly bilobed. 



Legs pallid ; tibia appearing 2-segmented and with a 

 patella. 



Abdomen. — Elongate, oval, transparent. 



Worker. 



Measurements. — Total length 3'.5 to 5 mm.; head-width 

 0-7 to 1-0 mm. 



Head. — Vertex and clypeus yellowish-white. Frons milky- 

 white. Mandibles yellowish-white, finely outlined with dark 

 reddish-brown ; superior articulations of mandibles forming 

 two dark brown spots. 



Legs transparent ; tibia appearing 2-segmented and with a 

 patella. 



Abdomen. — Transparent, contents visible. 



Hab. — Natal ; Durban, Bellair, Scottburgh. Cape Colony;. 

 Port Elizabeth. 



