236 Mr. W. C. Crawley on Ants from 



curve within tlie laro;or ones and returning parallel to their 

 oiiirin hy the insertions of the antennae. 



5 . L. 1"7 mm. 



Similar to the type. 



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



Crematngaster auslralis, Mayr. 

 Yallingup (T^Mmer). 5. 



IV. Subfam. DOLICRODESIN^. 

 No. 18. Tapiiioma VKnutuni, Mavr. 



Darwin, X.T., 5. vii. 13 {inil). ^ . 



Iridomyrinex conifer , Forel. 

 Yallingup (THmer). 5^. 



V. Subfam. Camtonotinjb. 

 Ca7nponotus (^Myrmosag(i) chalceus, sp. n. 



"^ major. — L. 9-9*5 mm. 



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

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

 emargination at tiie anterior border. Frontal area in the 

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

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

 then narrowing rapidly, posterior border feebly concave. 

 Eyes ])laced at the commencement of the hinder third of 

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

 profile, the prot)otum 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 than the basal surface. Scale higii, 

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

 straight. 



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

 in addition, particularly on tlie clypeus and clieeks, with 

 large irregular punctures. Epinotum and scale finely striated 

 tiansversely. Gaster very finely reticulated. 



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

 more s[)arse on the thorax, occasionally two or three on the 

 scapes, and a row underneatli 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. 



