366 



FURTHER NOTES ON SOME RAKE AUSTRALIAN 

 CORDULIIN^E, WITH DESCRIPTIONS OF NEW 

 SPECIES. 



By R. J. TiLLYARD, M.A., F.E.S. 



(Plate X.) 



The following species are dealt with in this paper : — 



1. HemicorduUa intermedia Selys. 



2. „ continental is Martin. 



3. ,. superba, n.sp. 



4. Procordulia jacksoniensis Rambur. 



5. Hesperocorduha berthoudi, nov.gen. et sp. 



6. LathroGorduHa metallica, nov.gen. et sp. 



7. Macromia vii'idescens, n.sp. 



The remarkable character and extent of the Australian Cordu- 

 liinoi is becoming more and more emphasised. Including the four 

 new species described in this paper, and a new species of Cordu- 

 lephya, whicli I propose to deal with in a separate paper on that 

 genus (to be published shortly), the total number of Austi-alian 

 Corduliina' so far known is 34, out of a total of about 150 species 

 desci-ibed for the whole world; that is, two-ninths of the whole! 

 Out of a total of 36 genera, no less than 14 are represented in 

 Australia; and of tliese, twelve are peculiarly Australian or 

 Australasian. 



1. Hemicokdulia intkrmedia Selys. 



JJesides the type-male in Hagen's Collection, only two other 

 specimens of this rare insect were known. These were two males 



