OBSERVATIONS ON SOME SOUTH AFlilCAN TERMITES. 498 



Major Worker. 



Measufemeats. — Total length 4"5 to 5 inui. ; head-width 

 1*5 to 1*7 inm. 



Head. — With a bright, white, cruciform symbol, involvino- 

 the Y-suture and having its median line extended to the 

 clypeus ; at the intersection a brighter white, fusiform flare 

 radiating over the frons. On the vertex immediately lateral 

 to the stem of the cross two sub-quadrate brown patches 

 bordered by the very pale yellow geua3; mediad of each 

 patch a pale sinuate line. Clypeus and epistome pale yellow 

 or translucent and tinged with green. Mandibles very pale 

 yellow, outlined with dark brown; teeth dark brown to black. 

 Dorsal outline of head short, open U-shaped, widest across 

 cephalic margin; genas flattened and extended lateral to 

 antennal fossae ; vertex quite flat ; clypeus bombous. Labrum 

 almost, if not quite complete. 



Antennae XV-jointed ; the extra joint due to proliferation 

 of III in the XlV-jointed fixed soldier pattern ; the length of 

 III in the XV-jointed worker antennge is variable in accor- 

 dance with how much it has enlarged after proliferation ; 

 it is either a very long almost clavate joint nearly twice 

 as long as II or IV, or it is equal to II and IV or a trifle 

 longer. 



Thorax.— Pallid. 



Legs pallid ; tarsi appearing 2-segmented and with a patella. 



Abdomen. — Very arched; translucent with almost chai*- 

 acteristic brown and white convolutions of viscera visible. 



Minor Worker. 

 Measurements. — Total length 3*8 to 4*5 mm.; head- 

 width 1*0 mm. 



Resembling major worker, but head markings generally 

 paler. 



Hab. — Cape Colony; Elsenberg, Mossel Bay, Port Eliza- 

 beth, Middelburg, Kimberley. Orange Free State, Transvaal 

 and Natal — general. 



VOL. 3, PART 2. 33§ 



