BY R. J. TILLYARD. 



255 



Fig. 7. — Amb'ogo7nphus manifesius, n.sp. Vulvar scale of $. 

 Fig.S. — ,, /?m Martin. - Back of occiput of $ . 



Fig. 9. — ,, melaleucce, n.sp. ,, ,, 



Fig. 10. — ,, comitatus, n.sp. ,, ,, 



Fig. 11. — Reference figure for thoracic colour-schemes. 



[A, mesepisternum; B, mesepimeron; O, metepisternum; D, metepimeron; 

 E, mesinfraepisternum; a, border-mark; 6, half-collar mark; c, dorsal stripe; 

 d, antehumeral stripe; e, interalar ridge; /, mid-dorsal line; g, mesothoracic 

 half-collar; h, mid-dorsal suture; i, humeral suture; j, first or upper lateral 

 suture; Jc, second or lower lateral suture.] 



N.B. — The figures are diagrammatic and not drawn to scale. 



Plate xxiii. 

 Fig. 1. — A ustrogomphus comitatus, n. sp. Appendages of J' , seen from above. 



,, ,, seen sideways. 



,, ,, seen from above. 



,, ,, seen sideways. 



,, ,, seen from above. 



5, ,, seen sideways. 



,, ,, seen from above. 



,, ,, seen sideways. 



,, ,, seen from above. 



,, ,, seen sideways. 



All figures much enlarged and drawn to scale. 



