[y TEPORE ase Sy are TRIE TN NS EIE Et 
Uicctcal2 ke uud aes AL 
QUT nl SOR S 
171 
Abdomen with a large deep excavation at base of upper- 
surface, its middle semicircularly encroaching upon middle of 
ase, 
subtriangular fovea. Mesosternum with an acute subconical 
ab.—Western Australia: Beverley, from a nest of a 
"vm black Iridomyrmex (E. F. du Boulay). Type (unique), 
. 10644 
Somewhat like A. femoralis on an enlarged scale, or 
sternum. 
ees: there appears to be a feeble shining median line on the 
ead. 
ARTICERUS DUBOULAYI, Waterh. 
P]. xxv., figs. 9 to 1X. 
Mr. E. F. du Boulay has recently taken at Beverley 
Specimens of a species that appears to be duboulayi; they 
iffer in some respects, however, from the original description 
and figure (it is to be noted also that the figure differs in some 
ri apane 
dentate, the middle ones are unarmed. The metasternum is 
Surface of the abdomen has a depression on each side of the 
