134 Ml. AV. C\ Crawley on Ants from 



soinewliat convex; emaririnate beliind ; a faint ridge from 

 behind tlie frontal area to the occiput. Tlie sca|)es of the 

 aiifeniiaj exactly reach the occiput ; joints 3-10 of funiculus 

 as broad or broader than long. Suture |)ro-nie.sonotal dee|)ly 

 marked. The declivous face of epinotum with sharp angles 

 above, bordered. Posterior coxa with a lamellate tooth. 

 Isode of pedicel three-quarters as wide as long, slightly 

 narrower in front, truncate behind. Constriction between 

 first and second segments of gaster slight. The whole body 

 finely punctured and minutely reticulate. 



Pilosity nil, except the ring of hairs round the apical seg- 

 ments of gaster. The whole insect covered with a fine 

 pruinose ])ubescence. 



Black brown ; mandible?, antennae, tibiae, tarsi, articula- 

 tions of legs, and apex of gaster reddish yellow, 



Darwin, N.T., 1. iv. 13. 



No. 81. Diacamma austrah, F., var. levls^ var. n. 



5 . — L. 11 mm. 



kStriation on head, thorax, and pedicel much finer than in 

 aiis'Tdle, that on the head concealed by the pubescence. 

 First two segments of gaster not striate, but the first very 

 feebly reticulate, the second still more feebly. More pubes- 

 cent than aunt rale. 



Near Adelaide Plains, N.T., 1. vi. 13. 



III. Subfam. Mtsmicinje. 



No. 24. Trig^yi/hothrix striaddens, Eur., var. australiR, For. 



Somewhat smaller than the typical striatidens from India. 

 Darwin, N.T., 1913. J^ . 



No. 23. Monomorium rothsteini, For. 

 N.T., 30. V. 13. ^ . 



No. 426. Monomorium rothsteini, For. 

 Darwin, N.T., 17. iii. 14. $ 5 . 



No. 4:25. Monomorium (Mitara) donisthorpei, sp. n. 



5 . — L. 1'7 mm. 



Mandibles tridentate, smooth, and shining. (Jlypeus with- 

 out teeth, with two carinse widely diverging in front. Head 

 oval-rectanguiar. Eyes large, slightly in advance of the 

 middle of side.?. Antennas ll -jointed ; joint 2 of funiculus 



