236 My. W. C. Crawley on Ants from 



curve within the larg'er ones and returning parallel to their 

 orif^in by the insertions of" the antennae, 

 g . L. 1-7 mm. 



(Similar to the type. 



Darwin, N.T., 5. vii. 13 (IIiU). 1/ ^ . 



CrematngoMer auslralis, Mayr. 

 Yalliiignp (TM7'?jer). ^. 



IV. Silbfam. DOLICRODERINM. 



No. 18. Topihoma minutum, Mayr. 

 Darwin, N.T., 5. vii. 13 {Bill). ^ . 



Iridoinyrinex conifer, Fore). 

 Yallingup {Turner). ^. 



N. Subfam. Camfonotinm. 

 Cavi/jonotus (J\Iy rmosagd) chalceiis, sp. n. 



^ MKijor. — L. 9—9*5 mm. 



Mandibles 5-dentate, coarsely striated, with a few punctures. 

 Clypeus siiield-shaped, not carinate, with a small deep 

 emargination at the anterior border. Frontal area in the 

 form of a right-angled tiiangle. Head slightly longer than 

 broad, the sides almost parallel for two-thirds of their length, 

 then narrowing rapidly, posterior border feebly concave. 

 Eyes placed at tiie commencement of the hinder third of 

 sides of iiead. Prc-mesonotum forms a regular curve in 

 profile, the pronotum broad, with slight shoulders. Basal 

 surface of epinotum deeply concave longitudinally, in the 

 form of a saddle, declivous surface abrupt, almost perpendi- 

 cular, slightly shorter tiian the basal surface. Scale high, 

 fairly thin, somewhat wider at the top, which is nearly 

 straight. 



Head, pro- and mesonota finely reticulate-punctate; head 

 in addition, jjarticulaily on the clypeus and cheeks, with 

 large irregular punctures. Epinotum and scale finely striated 

 tiansversely. Gasler very finely reticulated. 



Body with fairly plentiful, erect, yeHowish-white hairs, 

 more sparse on the thorax, occasionally two or three on the 

 scapes, and a row underneath the tibiae ; both scapes and 

 tibiae slightly pubescent, also thorax and gaster. 



Black ; legs, declivous surface and sides of basal surface 

 of epinotum, and a patch on the metasternum (and some- 

 times on the mesosternum) dull red. Gaster bronzed. 



