NEW AUSTRALIAN ANTS. 
Head as broad as long, broadest behind, sides convex, occipital border 
straight or feebly convex, angles broadly rounded. Mandibles triangular, 
dorsum strongly convex, furnished with seven strong teeth behind apex. 
Clypeus broadly produced in front, anterior border concave in middle, angles 
rounded. Frontal area large, transverse. Frontal carinae diverging behind, 
one-fourth broader in front than long. Scapes not extending to occipital 
border bv fully their thickness ; first segment of funiculus as long as the two 
following together, second to tenth as broad as long, apical as long as two 
preceding together. Eyes large and convex, placed at middle of sides. Ocelli 
prominent. Thorax fully one and one-half times longer than broad. Pronotum 
hardly visible from above. Mesonotum one-third broader than long, strongly 
convex in front, concave behind, parapsidal furrows sharply impressed. 
Mesonotum one-fourth broader than long, convex in front and behind. Meta- 
notum shows as a narrow band. Epinotum two and one-half times broader 
than long. In profile pronotum short and vertical. Mesonotum strongly 
convex from apex to base. Scutellum very slightly higher than mesonotum. 
Metanotum raised and projecting behind. Epinotum convex, rounded into, 
and shorter than, declivity. Node three times broader than long, oval, convex 
above ; in profile twice as high as long, almost parallel, dorsum convex. 
Gaster longer than broad. Legs robust. Wings hyaline, discoidal cell small. 
Male. — Length, 6.5-7 mm. 
Head and gaster reddish yellow ; mandibles, antennae, thorax and legs 
yellow. 
Mandibles smooth and shining, with scattered shallow punctures. Head 
finely and densely reticulate, somewhat coarser in front. Pronotum, meso- 
notum and scutellum superficially reticulate, epinotum irregularly reticulate. 
Node and gaster smooth and shining. 
Hair yellow, short and erect, sparse throughout, oblique on antennae and 
gaster. Pubescence confined to antennae and legs, very fine and adpressed. 
Head slightly broader than long, sides strongly convex, occipital border 
straight or very feebly convex. Mandibles almost half as long as head, 
edentate, terminal border concave, twice as long as basal border, the angle 
strongly produced, sharp. Clypeus feebly convex above, produced in front, 
broadly convex, strongly indented at middle. Frontal area triangular. Frontal 
carinae not margined. Base of scapes exposed. Scapes thickened at apex, 
extending beyond occipital border by one-fourth their length ; first segment 
of funiculus one-fourth longer than second, the others longer than broad, 
fifth to twelfth thickened to apex, apical pointed, twice as long as broad. 
Eyes large, very convex, slightly in front of middle of sides. Ocelli large and 
prominent, transparent. Thorax one and three-fourths longer than broad. 
Pronotum, seen from above, short and crescent-like. Mesonotum one- third 
broader than long, convex in front, concave behind, parapsidal furrows very 
strongly impressed, Scutellum broader than long, oval. Epinotum twice as 
broad as long. In profile pronotum vertical, convex near top. Mesonotum 
high, strongly convex from apex to base. Scutellum broader than long, oval. 
Epinotum twice as broad as long. In profile pronotum vertical, convex near 
top. Mesonotum high, strongly convex from apex to base. Scutellum convex, 
slightly higher than mesonotum, metanotum not projecting behind. Epinotum 
flat on top, declivity oblique, feebly convex, longer than dorsum, into which 
it is rounded. Node twice as broad as long, oval, convex on top ; in profile 
one and three-fourths higher than long, anterior and posterior faces feebly 
convex, dorsum strongly convex. Gaster one-fourth longer than broad. 
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