PLATE 2 



EXPLANATION OF FIGURES 



12 Reproductive type of the first form, 1.4 mm., eleven antennary segments. 



13 Worker-soldier type, 1.6 mm., eleven antennary segments. 



14 Reproductive type of the first form, 1.7 mm., twelve antennary segments, 

 third segment entire. 



15 Worker-soldier type, 1.8 mm., twelve antennary segments, third segment 

 entire and bare. 



16 Reproductive type of the first form, 2 mm., twelve antennary segments, 

 third segment entire and hairy. 



17 Worker-soldier type, 2 mm., twelve antennary segments, third segment 

 entire and hairy. 



140 



