BY THOMAS G. SLOANE. 



351 



EXPLANATION OF PLATES. 

 Plate xxv. 

 Fig.l. — Megacephala cylindrica Macl.( J ) 

 Fig. 2. — Distypsidera Jlavipes Mael.( $ ) 

 Fig.3. — Ryssopleura orbicollis SI. (type, $ ). 

 Fig. 4. — ,, ,, side view. 



Fig.5.- 

 Fig.6.- 

 Fig.7.- 

 Fig.8.- 



Fig. 9. 

 Fig. 10. 

 Fig.ll. 

 Fig. 12. 

 Fig. 13. 

 Fig. 14. 

 Fig. 15. 

 Fig. 16. 



Fig. 17. 

 Fig. 18. 

 Fig. 19. 

 Fig. 20. 

 Fig. 21. 

 Fig. 22. 

 Fig. 23. 

 Fig.24. 

 Fig. 25. 

 Fig.26. 

 Fig. 27. 

 Fig.28. 

 Fig. 29. 

 Fig.30. 

 Fig. 31. 



Plate xxvi. 

 -Megacephala crucigera Macl. 



-Cicindela iosceles Hope (from a Cooktown specimen). 

 docldi SI. (type). (<?) 

 ,, sloanei Lea (type). (£) 



Plate xxvii. 



— C. aurita SI. 

 —Megacephala australis Chaud.; side view of larva. 



— ,, cylindrica; mentum and labial palps. 



— ,, humeralis Macl.; mentum and labial palps. 

 —Distypsidera undulata Westw.; ,, ,, >, ,, 

 —Cicindela ypsilon De\.; ,, ,, ,, ,, 

 —Megacephala cylindrica; maxilla and palp. 



— Cicindela ypsilon; ,, ,, ,, 



Plate xxviii. 

 — Megacephala cylindrica; labrum ( J ). 



— ,, humeralis; 

 — Distypsidera undulata; 

 —Cicindela doddi SI ; , , ( £ ) 



sloanei Lea; ,, (^ ) 



leai SI.; 



tenuicollis Macl. 



aurita; ,, (tf) 



frenchi SI.; ,, (?) 



ypsilon; ,, ( J ) 



blackburni SI. ; , , ( $ ) 



scetigera Horn; ,, (J^) 



discreta Schaum, var. froggatti Macl.; labrum {$). 

 -Cicindela plebeia SI.; labrum ( $ ).* 

 - ,, „ „ „ (c?). 



* Fig.30 shows the appearance of the labrum in the type specimen( J ). A 

 second specimen in the possession of Mr. C. French has a small tooth on 

 each side of the central one. Fig. 31 shows the labrum of the male as too 

 truncate on each side; it should slope forward from the external angles more 

 as shown in fig.30. -T.G-S- 



