AUSTRALIAN CERAPACHYINI. 225 



very minute eyes, pygidiuiii entire (Sul)fj;en. Xofho.s-])inHii.s' 

 subg'cn. nov.) 7. 



7. Workers with minute eyes mi/o])s Forel. 



Workers without eyes S. 



8. Postpetiole concave in front oiicri/i Forel. 



Postpetiole not concave in front 9. 



9. Head square, hardly longer than broad, thorax flattened above, 



marg-inate in front 10. 



Head distinctly longer than broad ; thorax at most submarginate 

 in front 11 



10. Mandibles punctate and coarsely striate; thorax only twice as 



long as broad; epinotal decli^'ity marginate above and on the 

 sides; petiole distinctly broader than long; head and thorax 



coarsely punctate froggatfi Forel. 



Mandibles merely punctate; thorax 2| times as long as broad; 

 epinotal declivity marginate only on the sides ; petiole scarcely 

 broader than long; head and thorax finely punctate. 



wibccillis Forel. 



11. Funicular joints 2-G only slightly broader than long. 



clarus Forel. 

 Funicular joints 2-6 much broader than long 12. 



12. Last antennal joint scarcely longer than the two preceding joints 



together mjohcrgi Forel. 



Last antennal joint fully as long as the three preceding joints 

 together viauni sp. nov. 



1. Eusphinctus (Eusphinctus) steinheili Forel. 

 (Figs. 1 and 2.) 



Sphinctomyrme.Y {Eusphinctus) steinheili Forel, Ann. Soc. Ent. 

 Belg. 44, 1900, p. 72, 9 (nee ^ ); Emerv, Gen. Insect. Fasc. 118, 1911, 

 p. 7. 



Sphindomyrmex steinheili Froggatt, Agric. Gaz. N. S. W., 1905, p. 15. 



Sphinctomyrme.v (Eusphinctus) fallax Forel, Ann. Soc. Ent. Belg. 

 44, 1900, p. 73 y ; Emery, Gen. Insect. Fasc. 118, 1911, p. 7. 



Sphinctomyrmex fallax Froggatt, x\gric. Gaz. N. S. W., 1905, p. 15. 



IVorkcr. Length 3.2-3.6 mm. 



Head nearly 1| times as long as broad, as broad behind as in front, 

 with very feebly convex sides, broadly excavated posterior border 

 and short but rather pointed posterior corners. Occipital border 



