NEW AUSTRALIAN ANTS. 
Hair yellow, short and suberect, more abundant on antennae and legs 
than elsewhere. 
Head a little longer than broad, broader in front than behind, sides and 
occipital border convex. Mandibles narrow, terminal border short, furnished 
with two large teeth ; the second forms the angle between the borders, the 
first situated midway between second and apex which is long and pointed. 
Clypeus short and transverse. Frontal carinae very short. Scapes extending 
slightly beyond middle of head ; gradually thickened to apex ; first segment 
of funiculus slightly longer than broad, second to eighth as broad as long, 
apical twice as long as broad, and longer than the four preceding together. 
Xo trace of eyes. 1 horax two and one-half times longer than broad, without 
traces of sutures, constricted at mesonotal region ; in profile pronotum and 
mesonotum form a slight convexity, a feeble depression at meso-epinotal 
suture, more clearly shown on sides, epinotum feebly convex, almost straight, 
declivity short, fully half the length of dorsum. Node slightlv longer than 
broad, almost parallel, sides feebly convex ; in profile as high as long, anterior 
face and dorsum united in an even curve, a short broad projection below 
directed forward. Postpetiole as broad as long, broadest behind, sides convex ; 
in profile as high as long, dorsum convex, a short sharp projection in front 
below, directed forward. First segment of gaster one-third longer than broad, 
almost three times broader behind than in front, sides strongly convex. Legs 
robust, femora and tibia thickened toward apex. 
Habitat. — N. Queensland, Cairns District (A. M. Lea). Type in South 
Australian Museum. 
The smallest species of the genus so far recorded from 
Australia. 
Subfamily Cerapachyinae Forel 1893. 
Genus PHYRACACES Emery 1901. 
Phyracaces grandis, sp. nov. 
(PI. II, fig. 2.) 
Worker. — Length, 9.8 mm. 
Yellowish red; scapes and legs red; funiculus darker; eves, lateral 
margins of head, thorax and nodes black. 
Smooth and shining throughout, except pygidium which is finely and 
densely punctate. J 
of 
Hair reddish, long and suberect, rather sparse except on apical segments 
gaster, short but abundant on antennae and legs. Pubescence not apparent. 
Head as broad as long, broadest behind, sides convex, occipital border 
straight, angles rounded Mandibles short, triangular, furnished with eight 
small teeth Clypeus short and truncate. Frontal carinae erect, parallel, 
confluent behind. Cannae of cheeks prominent, barely as long as frontal 
carinae. Eyes large and convex, placed at middle of sides. Ocelli prominent 
yellowish A strong lateral Carina extends from the posterior inferior angle 
to near the posterior margin of eye. Antennae short and robust. Scapes 
extending to posterior ocellus, greatly thickened to apex; first segment of 
fumculus half as long as second, the others gradually increasing in length to 
