NEW AUSTRALIAN ANTS. 
Habitat . — Minnie Downs, N.E. corner of S. Australia (L. Reese). 
1 ype in South Australian Museum. 
Phyracaces greavesi, sp. nov. 
(PI. II, fig. 5.) 
Worker. — Length, 5.5 mm. 
Bright castaneous ; margins of thorax and node black ; antennae and 
legs more yellowish. 
Smooth and shining. Microscopically reticulate. Mandibles punctate. 
Hair yellow, long and erect, moderately abundant. Pubescence not 
apparent. 
Head very slightly longer than broad, sides convex, occipital border- 
straight, or very feebly convex. Mandibles triangular, terminal border 
denticulate. Clypeus short, broadly rounded in front. Frontal carinae 
truncate and confluent behind. Carinae of cheeks strong, extending to the 
anterior fourth of eyes, a small branch, about midway, directed inward to 
antennal fovea. Scapes slightly exceeding the posterior margin of the eyes ; 
first segment of funiculus as long as second, longer than broad, third to ninth 
broader than long, tenth as long as broad, apical fully twice as long as broad 
and longer than the two preceding together. Eyes large, convex, situated 
at the middle of sides. Ocelli large and prominent. Thorax one and three- 
quarters times longer than broad, constricted at the middle, sutures not 
indicated ; sides strongly and continuously marginate ; anterior border sub- 
marginate in the middle, stronger near angles which are sharp but hardly 
projecting ; posterior border straight, slightly indented at the middle, strongly 
marginate, angles sharp. In profile convex longitudinally, declivity short, 
concave, marginate on sides, superior border slightly reflexed. Node one-third 
broader than long, broadest at middle, sides convex, strongly marginate, 
anterior border concave, feebly marginate, angles sharp, posterior border 
straight, the angles produced behind as short blunt teeth, directed upward ; 
in profile as high as long, anterior face feebly convex, angle blunt, dorsum 
feebly convex, posterior face vertical, as high as anterior face ; ventral surface 
convex with a feeble tooth in front. Postpetiole about one-fourth broader 
than long, sides convex, anterior border straight, angles rounded, border 
marginate, extending round to the anterior third of sides. Constriction 
between postpetiole and gaster wide. First segment almost one-third broader 
than long. Pygidium flat, submarginate and furnished with a row of strong 
sharp bristles. Legs robust. Posterior coxae without a lamina. 
Habitat. — Western Australia : Bungulla (T. Greaves). 
Similar to P. newmani Clark in size and colour but readily 
separated by the ocelli. 
Phyracaces aberrans, sp. nov. 
(PI. II, fig. 6.) 
Worker . — Length, G mm. 
Black ; mandibles, scapes, apex of funiculus, tarsi and pygidium red ; 
middle of funiculus, tibia and femora, brown. 
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