BY R. J. TiLLYARD. 427 



more bluish in the paler parts than those of the t^-pe-series, from 

 Cairns. 



Types: ^<^, Coll. Tillyard( Cairns, N.Q.). 



Ver}' distinct from all other species of the genus, but mostly 

 resembling A. coletisonis White, from New Zealand. From the 

 latter it may be distinguished by its much duller colouration, 

 more slender build, and by the form of the projections on the 

 inner side of the male appendages; A. colensunis onl}- possessing 

 a single large tooth about midway. 



11. AusTHOLESTKS PALUDosus TiUyard. 



Lestes pahi^dosus TiUyard, Juc. cit., p.l81. 



Besides the type J" and 9 described from Townsville, I took a 

 fair series of this rare insect at Cooktown, N.Q., in January 

 1907. These were slightly bluer than the types, but did not 

 difter from them otherwise. 



(J. Appendages: superioj' 1 mm., forcipate, much thickened, 

 and of the remarkable form found in Lestes sponsa from Europe, 

 viz., inner inferior margin much swollen into a huge pi'ojecting 

 shelf irregularly serrate along its outer margin: between the shelf 

 and base is a small tooth or spine. Outei- margin furnished with 

 live small teeth and some long hairs; tips bluntly rounded and 

 turned inwards. Seen in profile, these appendages are massive, 

 with wide truncated tips. Iv/erior moderately small, bluntly 

 rounded(PlaLe xlv., figs. 7, 8). 



Types: $<^, Coll. Tillyard(Townsville, N.Q. ). 



Easily distinguished from all other Australian species of the 

 genus by its remarkable appendages. In general build, it most 

 resembles A. leda Selys, while, in colouration, it comes nearest to 

 A. tenuissimus and A. a/leni. 



12. AusTROLESTES ARIDUS TiUyard. 



Lestes aridtis TiUyard, These Proceedings, 1907, xxxii., p. 762. 



(^.Appendages: sujjerior 1 '2 mm., forcipate, downy; inner 

 inferior margin carrying a very large spine about one-third from 

 tips: outer surface carrying several irregularly placed small 

 spines. Inferior fairly prominent, 0-5 mm., subconical (Plate 

 xlv., figs.5-6). 



