ON SOME AUSTRALIAN TERMITES. 



379 



Head (fig. 13) clothed with numerous short and moderately long hairs, longer 

 than wide, rounded behind and on the sides to the base of the jaws (widest part), 

 flat on the summit. Fontanelle in the form of two elongate straight clefts in the 

 middle line. Eyes small, hardly projecting beyond sides of head. OcelU oval and 

 widely separated from the eyes. Antennae 14-jointed, arising from a raised tubercle 

 within a deep and wide fossa in front of the eyes, the tubercle being about equidistant 



Fig. 13. Hamiternies parvus, sp. n., head of 

 imago (fl) in profile ; {b) from above. 



between the anterior margin of the eye and the postero-lateral margin of the clypeus ; 

 1st joint twice as long as 2nd, 3rd shortest, indistinctly separated from the 2nd and 

 4th. Labrum rather narrow at the base, swollen on the sides, rounded in front. 

 Anteclypeus arcuate anteriorly, shghtly convex, half as long as wide, half as 

 wide as postclypeus, divided medially by a suture which extends across the latter. 

 Postclypeus large, convex, anterior margin slightly concave, posterior margin 

 semi-circular, greatest length shghtly more than greatest width. 



Prothorax nearly twice as wide as long, very slightly convex and bent up along 

 the anterior margin, antero-lateral angles rounded and slightly bent up, sides sloping 

 sharply to the nearly straight posterior margin. Legs with fore tibiae and all femora 

 stout ; tibial spurs 3:2:2. 



Wings (fig. 14) brown, large veins and first five or six branches of the cubitus 

 well defined ; entire margin excepting proximal fifth of hind margin ciliate ; veins 

 with a few long hairs along the entire length, venation variable and not always 

 ahke in either fore- or hind-wings of the same individual ; cross suture straight. 



Fig. 14. Hatuiierines parvus, sp. n., wing.5 of imago. 



Abdomen nearly cylindrical ; seventh sternite of male much longer and darke 

 than corresponding sternite of female, densely clothed with short fine reddish hairs. 

 Cerci short, conical ; basal segment very broad (0-8) and flattened. 



Measurements: Length with wings, 6-25-7; length without wings, 3-25-4; 

 head, with mandibles, 0-75-0-84 long ; thorax and abdomen, 2-63 long ; head, at 

 (5296) 2 F 



