448 (hi new Ants from Australia. 



profile liiglicr than sccoiul. rounded evenly at the top, not 

 greatly tliicker at base tlian at apex ; stem as long as the 

 node, with a minute tooth in front below. Second thicker 

 thau first, more or less globiilar in appearance. From al)ove, 

 the nodes are equally broad, the first and second as broad as 

 long, the anterior and posterior borders almost straiglit and 

 parallel. Second node somewhat broader than long, convex 

 behind, straight in front. Base of gaster concave. 



Shining ; mandibles with a few punctures, clypeus with 

 a few longitudinal lines, frontal area with a few strijc, whicii 

 continue up to nearly the half of the scape, spreading out- 

 wards. Antennal fossje contain a. few circular stria?. Whole 

 of head has widely spaced distinct pits. Thorax with a 'iew 

 indistinct points. Base and declivity of epinotum finely 

 transversely striate, the sides reticulate. Petiole and gaster 

 smooth and shining. 



? . Length 3-7 mm. 



Dealate. Dark castaneous brown, abdomen lighter than 

 head and thorax ; mandibles, clypeus, antennse, and legs 

 pale castaneous. 



Pilosity sparser than in 5? • 



Similar to g , except for size and sexual differences. 



The head is as broad in front as behind, the sides feebly 

 convex, occipital border feebly concave. E^es large, 

 situated as in ^ . 



Base of epinotum slightly shorter than declivity, concave 

 between the angles, which are more prominent than in 

 the 5 . Both nodes proportionately broader and shorter 

 than in ^ ; the second below broadens out into two angles 

 in front ; the first bears a small point beneath as in the ^ . 

 Gaster long and narrow. 



Shining ; striation of head similar to that of the $^ , but 

 the longitudinal lines continue beyond and spread out over 

 the ocelli, leaving a shining space each side of the frontal 

 groove, which is well-defined. The clypeus has a few striai 

 on central raised portion. The thorax has more abundant 

 punctures than in the ^ , and the sides of the petiole and 

 nodes are reticulate-striate. Epinotum transversely striate. 



Swan River, W. Australia {Clark, no. 95). 



Types W. C. C. coll. 



[To be continued.] 



