10 NEW SPECIES OF AUSTRALIAN ANTS 



7. Anterior border of the clypeus produced to a blunt point, the first 

 segment of the funiculus as long as the two following 



P. brunea new sp. 



B. Gaster much darker brown than the head and thorax. 

 Clypeus carinated. 



8. Scape extends beyond the occipital border by half its length 



P. mjobergi Forel. 



9. Scape extends beyond the occipital border by a third of its length, 

 and the first segment of the funiculus is as long as the three follow- 

 ing 



P. nigriventris new. sp. 



10. Scape extends beyond the occipital border by a third of its length, 

 and the first segment of the funiculus is as long as the two follow- 

 ing 



P. quadrata new. sp. 

 Clypeus not carinated. 



11. Head longer than broad with the sides strongly convex and the 

 anterior border of the clypeus produced to a blunt point 



P. abruptus Clark. 



12. Head nearly square with the sides feebly convex and the anterior 

 border of the clypeus rounded 



P. robustus new sp. 



13. Scape extends beyond the occipital border by a quarter of its 

 length, and the anterior border of clypeus prodiiced to a blunt 

 point 



P. pallidus Clark 



14. Scape extends beyond the occipital border by a third of its length, 

 anterior border of clypeus rounded, and the declivity of the epino- 

 tum evenly straight or feebly convex 



P. hemiflaviis Clark. 



15. Scape .... but the declivity is not straight but at middle of its 

 length has a very obtuse angle which forms two almost straight 

 planes 



var. wilsoni new var. 



C. Uniformly very dark brown. 



Clypeus produced to a blunt point in front. 



16. Anterior border of clypeus produced to a blunt point; epinotal 

 declivity a third longer than the dorsum ; first segment of the 

 funiculus as long as the three following 



P. flavicornis Clark 



17 first segment of funiculus as long as the two following 



var. minor new var. 



18. Anterior border of clypeus produced to a blunt point; epinotal 

 declivity twice as long as the dorsum ; first segment of the funiculus 

 as long as the two following 



P. flavidiscus new sp. 



19. Anterior border of the clypeus produced to a blunt point ; epinotal 

 declivity twice as long as the dorsum ; first segment of the funiculus 

 slightly longer than the second segment 



P. wheeleri new sp. 

 Anterior border of the clypeus rounded. 



20. Epinotal declivity twice as long as the dorsum 



P. reticulata new sp. 



