NEW SPECIES OF AUSTRALIAN ANTS 13 



2. I'rolasius hvllcnar, new species. (Plate I, figs. 8-9). 



Worker : 



Length 2 5mm. 



Colour df uniform dull yellow or yellowish brown, with antenna and legs 

 lighter. 



Microscopically punctate throughout. 



Hair yellow, long, erect on elypeus and gaster, suberect on mandibles. 

 Pubescence yellow, very tine, adpressed and abundant, throughout. 



Head one third Longer than broad, slightly narrower behind than in front, 

 with sides strongly convex, and occipital border fairly convex. Mandibles 

 triangular, furnished with five uneven sharp teeth. Clypeus rounded in front, 

 earinated. Frontal area triangular. Frontal carina- short, as long as their 



distance apart, parallel. Scapes extend beyond the occipital border by more 

 than a third of their length. First segment of the funiculus longer than the 

 two following taken together, third as long as broad, fourth longer than broad, 

 fifth to tenth nearly twice as long as broad, apical as long as the preceding two 

 taken together. Eyes large and rather ilat. Ocelli small. Thorax twice as 

 long as broad. Pronotum broader than long, sides strongly convex. Mesonotum 

 one and a quarter times longer than broad, with the sides straight. Epinotum 

 slightly broader than long, faintly broader behind than in front, with the sides 

 almost straight. In profile the pronotum and mesonotum form an even convexity 

 Epinotum has the dorsum straight or feebly convex, and raised behind. Kpinotal 

 declivity straight, fully three times as long as the dorsum. 



Node transversely convex. In profile thorn like, very narrow and sharp. 

 With the anterior face convex, and the posterior face straight or feebly concave. 

 Legs rather robust. 



Collected by Miss B. Clark. Katooraba, N.S.W. 



Type in the National Museum of Vic. 



'.'. Prolasius anliiuxitii, new species. (Plate I, tigs. 4-5.) 

 Worker: 



Length : 3-3 4mm. 



Reddish brown with antennas, legs and mandibles much lighter. Smooth and 

 shining. 



Hair whitish, erect, rather short, apparent on clypeus, mandibles, scapes 

 pronotum and gaster. Pubescence also whitish, line, adpressed and abundant 

 throughout. 



Head almost, a quarter longer than broad, with sides feebly convex, the 

 occipital border definitely convex, and the corners broadly rounded. Mandibles 

 triangular furnished with six teeth. Frontal area transversely triangular. 

 Frontal Carina short, parallel and as long as their distance apart. Scapes 

 extend beyond the occipital border by almost half their length. First 



segment of funiculus almost as long as the following two taken together, the 

 rest longer than broad, the apical segment almost, as long as the two preceding 

 together. Eyes large and convex, placed just behind the middle of the sides. 

 Ocelli very small. 



Thorax twice as long as broad. Pronotum twice as broad as long, with shies 

 strongly convex. Mesonotum almost as broad as long, with the sides feebly 

 Convex, broader in front than behind. Epinol uni slightly broader than long 

 with sides very feebly convex or almost, straight. In profile the pronotum and 

 mesonotum form an almost even convexity. The dorsum of the epinotum is 

 convex, and the almost straight declivity is just slightly longer than the 



