68 ARKIV FÖR ZOOLOGI. BA:ND 12. NIO 15. 



B. Tooth of jaws either pointingsharplj' backwards orstraight inwards 

 or jaws broad and strongly bent at tip with a deep rounded inci- 

 sion at the middle of the anterior margin (subg. Hamiterines s. str.). 



1. Tooth of jaws mostly sharp, pointing backwards, 



Tooth of jaws not very long. 3rd joint of antenn se coalescing 

 together with the 4th. 

 * Head larger, tooth of jaws sharp (Text Fig. 37 a) • . . . 6. 



H. meridionalis Frogg. 

 Distribution: N., E., S. Australia. 



** Head fsmaller, tooth of jaws not sharp (Text Fig. 38 b) . 7 



H. lanrensis Mjöb. 

 Distribution: N. Queensland, 

 b. Tooth of jaws very long and verj- sharp. 3rd joint of 



antennse free 8. 



H. Kimberleyensis Mjök. 

 Distribution: N. W. Australia. 

 (Text Fig. 38 a). 



2. Tooth of jaws directed straight inwards. 



a. Body large, head very large and convex, jaws long and 

 curved with large triangulär tooth 9. 



H. herbertensis Mjöb. 

 Distribution: N. Queensland, 

 (rext Fig. 36 c.) 



b. Body small head small, jaws short %vith eithejr a slight 

 incision or an obtuse rectangular tooth. 



*. Jaws with only a slight incision, head with more parallel 

 sides, 3rd joint of antennce coalescing with 4th . - 10. 

 H. scopulus Mjöb. 

 Distribution: N. Queensland. 

 (Text Fig. 42 b.) 



*'^'. Jaws with a projecting, obtuse, more or less rectangular 

 tooth • II. 



H. obtusidens Mjöb. 

 Distribution: S. Queensland. 

 (Text Fig. 42 a.) 



3. Jaws very broad, strongly bent at the tip with a deep rounded 

 incision. 



a. 3rd joint of antennse coalescing together with 4th ; labrum 

 broad, not tapering on the sides to the top 12. 



H. oheuntis Silv. 

 Distribution: S. W. Australia. 

 (SiLVESTRi, 1. c, Taf. XX, Fig. 1G7— 108.) 



b. 3rd joint of antennse quite free, labrum not so broad, very 

 much tapering to the tip, abdomen very broad .... 13 



H. lativentris Mjöb. 

 Distribution: S, Queensland. 

 (Text Fig. 39 d.) 



