jS'oHJi and Central Australia. 131 



insensibly into a long spine. The anterior portion utuler- 

 neatli bears a broad tooth slightly inclined liackwarls. 



Head finely striated, the medial stria3 lon^itudi 'al, the 

 lateral ones diverging round the back of head. Frontal 

 carinas with a few longitudinal strise. Mandibles stiiooth 

 and shining, a few deep punctures along the outer curve uf 

 the apical tooth and at the base of the pie!i|)ical, and s.nallfr 

 ones along the rest of the mandibles. Pronotum coarj^ely 

 striated circularly, mesonotum with finer transverse stri;v, 

 epinotum coarsely striated transversely. The lower two- 

 thirds of node encircled witii fine striae. Gaster smooth and 

 shining ; the lower quarter of first segment, and the second 

 and third segments, finely reticulate-punctate. A few 

 scattered hairs on mandibles, head, epinotum, gaster, and 

 underside of tibiae. Legs ai:d antennae pubescent. 



Dark brown ; head, antennae, and legs dark red. 



One '^ . IStapleton, N.T., 21. xii. 12. 



Nos. 33 and 84. Rhylidoponera (s. str.) liilU, sp. n. 



^ .— L. 8-0-8 5 mm. 



Mandibles striate, feebly and indistinctly dentate. Second 

 joint of funiculus longer than the first, and about twice as 

 long as broad. Clypeus coarsely rugose, with a slight central 

 ridge. Head slightly convex at sides, somewhat wider in 

 front tiian behind, where it is emarginate ; sliglitly humped 

 behind the eyes. Eyes very convex, placed just behind the 

 middle of sides. The posterior angles are accentuated, but 

 do not form distinct bosses. Thorax convex, sutures marked 

 by two transversal impressions, but there is no emarginalion. 

 Pronotum with a small tooth at the inferior angles. Node 

 of pedicel high and rounded, somewhat compressed before 

 and behind, wider than long, thicker at base than apex. 

 Claws with one tooth. 



Whole of head, except mandibles, deeply punctured with 

 circular shining punctures, finely reticulate between the 

 punctures ; the vertex has a few longitudinal striae. Pedicel 

 finely striated transversely and sparsely punctured. The 

 striae on first segment of gaster fine and arched ; second 

 segment transversely finely striated. A scattered indistinct 

 punctuation on whole of gaster. Pilosity almost nil ; a few 

 upright hairs on tibige. 



Dark brown ; head and thorax almost black; legs and 

 funiculi reddish brown, base of gaster pale. 



Stapleton^ N.T., 1. v. 13. 



