NEW AUSTRALIAN ANTS. 
Genital exserted. Valves slender. Legs long and robust. Wings with a 
small discoidal cell. 
Habitat. — Queensland : National Park, Macpherson Range (A. Musgrave, 
19-12-26). 
Types in the Australian Museum, Sydney. 
Myrmecorhynchus musgravei, sp. nov. 
(PI. Ill, fig. 10.) 
Male. — Length, 4.5-5 mm. 
Testaceous ; gaster slightly darker on some examples ; mandibles, antennae 
and legs yellow. 
Mandibles and clypeus smooth and shining, with scattered shallow punctures. 
Head shining, irregularly and finely reticulate, front of mesonotum more coarsely 
so, with numerous large punctures. Epinotum finely irregularly reticulate. 
Scutellum, node and gaster smooth and shining. 
Head one-sixth longer than broad, strongly convex behind eyes. Mandibles 
half the length of head, edentate, terminal border concave. Clypeus feebly 
convex above, anterior border produced, broadly convex, feebly concave in 
the middle. Frontal carinae not margined. Base of scapes exposed. Scapes 
thickened at apex, extending beyond occipital border by fully one-fourth 
their length ; first segment of funiculus one-third longer than second, others 
longer than broad to twelfth, apical fully twice as long as broad. Eyes very 
large and convex, placed just in front of the sides. Ocelli large and prominent, 
a fine groove extending from anterior ocellus to front of frontal carinae. Thorax 
one and two-thirds longer than broad. Pronotum just visible from above, 
strongly convex. Mesonotum one-fifth longer than broad, strongly convex in 
front, straight behind, parapsidal furrows sharply impressed. Scutellum one- 
third broader than long, convex. Epinotum twice as broad as long, broadest 
in front. In profile pronotum erect, feebly convex. Mesonotum strongly 
convex in front, flattened behind. Scutellum convex, highest in front. Meta- 
notum raised, inclined backward. Epinotum convex from base to bottom of 
declivity. Node twice as broad as long, oval, convex on top ; in profile 
one-third higher than long, anterior face convex, rounded into dorsum, posterior 
face short and vertical. Gaster one-fourth larger than broad. Genitalia 
exserted, long and slender. Wings hyaline, discoidal cell large. 
Habitat . — Queensland : National Park (A. Musgrave, 19-12-26). 
Type in Australian Museum, Sydney. 
Myrmecorhynchus carteri, sp. nov. 
(PI. Ill, fig. 11-12.) 
Worker major. — Length, 4. 3-4. 7 mm. 
Black ; mandibles and antennae ochraceous ; apical half of mandibles, 
anterior edge of pronotum, knees, tibia and tarsi ferruginous ; node and gaster 
chocolate brown. 
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