BY R. J. TILLYARD. 185 



black, marked as follows :— 1, a blue spot on each side; 2, a 

 greenish-blue elongated spot low down on each side near the 

 genital appendages; 3-8, a small basal dorsal spot of bright blue- 

 green next to suture; 8, an elongated greenish mark low down on 

 each side; 9-10, black. 



Appendages — Superior very short, subcorneal, slightly 

 separated, bright blue. Inferior minute, bluntly hooked and 

 turned upwards, black. (See Plate xvii., fig.5a). 

 £. Total length, 35 mm. ; bdomen, 29 mm. 



Wings suffused with yellowish-brown, except at bases and 

 tips. Pterostigma 1"1 mm., black. Nodal Indicator ,2 131 



|2 12| 



Head as in £, except epicranial band, which is light 

 yellowish-brown. 



Thora x. — Dorsal marks and lateral bands pale brownish. 



Abdomen cylindrical, stouter than in £; black, sutures 

 marked with dull white; 9 carries underneath a projection 

 reaching beyond the end of the abdomen, the point curving 

 upwards and carrying two fine hooks. (See Plate xvii., fig. 56). 



Appendages very short, cylindrical, wide apart, tips 

 blunt; black. 



H a b. — Redlynch, near Cairns, N.Q. January, 1905. Very 

 rare. 



One male and two females were taken close together amongst 

 reeds on the banks of a swift creek in the guava scrub. Habits 

 and flight similar to those of the preceding species. 



This species is very closely allied to the preceding, but the 

 following points will at once distinguish the two species clearly : — 



A. solitaris. A. coelestina. 



1. The transverse epicranial 1. The transverse epicranial 

 band is narrow, and is not en- band is broader, and is enlarged 

 lurged on reaching the eyes. on reaching the eyes. 



2. Superior appendages of £ 2. Superior appendages of £ 

 black. pale sky-blue. 



