384 GERALD F. HILL. 



Measurements: Total length, about 5; head and mandibles, 1-83-1 -97 long; 

 thorax and abdomen, 3 -1-3 -7 long ; head, 1 -08 wide, 0-84 deep ; mandibles, 0-98 

 long; antennae, 1-69; thorax, 0-36 long, 0-7 wide; tibia (i) 0-84, (ii) 0-75, (iii)l-08. 



Worker. — Head creamy ; thorax and legs paler ; antennae whitish, tinged with 

 yellow-ochre, distal third darkest ; abdomen white (greyish black when alimentary 

 tract contains ingested matter). 



Head about as long as wide, clothed with reddish hairs, some moderately long. 

 Labrum large, covering mandibles. Anteclypeus narrow, bluntly pointed in front ; 

 postclypeus convex, with reticulate pattern. Mandibles with dentition as in imago. 

 Antennae 15-jointed ; 1st joint large, nearly twice as long as and much wider than 

 2nd ; 3rd very small, smallest ; 4th and 5th about equal to each other ; 6th larger 

 than 5th, but much smaller than 7th and 8th. 



Prothorax with anterior portion narrowed and bent up, emarginate in the middle, 

 posterior margin almost semicircular, the whole clothed with reddish hairs of unequal 

 length. 



Abdomen elongate-oval, moderately hairy. Cerci small, basal part without hairs, 

 apical part tapered and drawn to a fine point at tip. 



Measurements : Total length, about 5-15 ; head, with jaws, 1-15 long ; thorax 

 and abdomen, 4 ; head, 1-5 wide ; mandibles, right, 0-61 long, 0-51 wide, left, 0-66 

 long, 0-42 wide ; antennae, 1 -46 ; prothorax, 0-37 long, 0-8 wide ; tibia (i) 0•76- 

 0•78, (ii) 0-67-0 -7, (iii) 0-99-1. 



North Queensland : Townsville. 



This species appears to be closely related to H. laurensis, Mjoberg, from which 

 it differs in the shape of the head and antennae of the soldier and in the antennae 

 of the neoteinic queen. From H. meridionalis , Frogg. (fig. 20), it differs in the 



Fig. 20. Hamitcrnies meridionalis, 

 Frogg., head of soldier. 



soldiers in the shape of the jaws, colour of the head, form of the antennae, shape 

 of the clypeus and distance of the antennae from the head margin. The winged 

 forms of H. laurensis and H. meridionalis are not known. 



