132 Uv. W. C. Cnnvley oit Ants from 



No. 215 c. Rht/tidoponera (s. sir.) incisa, sp. n. 



5.— L. 10-10-5 mm. 



]!ilaiidibles striate, feebly and irremilaily dentate. Frontal 

 area very distinct, triangular. Head soniewliat longer than 

 broad, feebly convex at sides, with a small oblong impression 

 on the vertex. Eyes very convex, placed beliinti the centre 

 of sides. Posterior angles of head formed into blunt j)oiiits. 

 Tlmriix convex, sutures di-<tinct. Pronolum with a small 

 tooth at each inferior angle. Node of pedicel rounded, 

 broader than long, notched at the top. Olaws with one tooth. 



Clypeus feibly rugose and finely reticulate ; front and 

 vertex longituibnally rugose, the ridges spreading fanwise to 

 the posterior angles of the iiead, leaving a space between not 

 rugose ; cheeks near base of mandibles somewhat rugose. 

 Head, thorax, and pedicel with shallow irregular punctures ; 

 whole of body and legs finely reticulate, the reticulation 

 extending to the bottom of the punctures. Antennal scapes 

 and tarsi longitudinally striate ; a few punctures on coxse 

 and very indistinct ones on first segment of gaster. 



Piioi^ity almost nil ; stiff hairs along the tibiai and a few 

 under the eoxaa and femora. 



Dull black ; mandibles, legs, and antennse dark reddish 

 brown, apical joints of funiculi and tarsi dull red. 



Alice (Springs, C'entral Australia, 1913. 



No. 30. Rhyddoponera (? Chalcoponera) duhia, sp. n. 



5 . — L. 4:'6 nun. 



Mandibles triangular, finely striate, with minute teeth, 

 apical tooih long and pointed. Clypeus feebly arched at 

 anterior border, with a median ridge reaching to the posterior 

 border, the latter narrowly rounded between the frontal 

 carinse. Frontal carinas wide apart in front, converging 

 slightly behind the lobe, then parallel. Frontal area not very 

 distinct. Eyes large (larger than in metallica), hemispheri- 

 cal, placed slightly behind the middle of sides of head. Head, 

 longer than bioad. First joint of funiculus as long as the 

 second, which is less than twice as long as broad ; funiculus 

 sligliily thicker at apex, but not clubbed. The scapes extend 

 slighily beyond the occipital border. Head longer than 

 broad, very slightly convex at sides, einarginate behind. 

 Thorax slightly convex, at each inferior angle of |)rotlu)rax 

 is a small tooth ; j)ro-mesonotal suture distinct, breaking the 

 sculpture, suture meso-epinotal almost entirely effaced. 

 Node of pedicel rounded, slightly longer than broad, under- 



