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XIII. A Eevision of the Suhfainily Libellulinm, with Descriptions of Neiv Genera and 

 Species. By W. F. Kirby, F.E.S., Assistant in the Zoological Department, 

 British Museum. 



Eeceived March 26th, 1887, read May 17th, 1887. 



[Plates LI.-LVII.] 



C03«IENTS. 



Page 



Part I. Introductory Eemarks 249 



Characters of Libellulinae 250 



a. Head 251 



Eyes 251 



Frontal tubercle 251 



6. Thorax 251 



e. Legs 251 



£?. Fore wings 252 



e. Hind wings 254 



/. Abdomen 255 



ff. Abdominal appendages 256 



Appendages of the second segment 256 



Appendages of the eighth segment 256 



Anal appendages 257 



Part II. Table of Genera 257 



Part III. Characters of Genera 265 



Part lY. Descriptions of New Species 314 



Explanation of the Plates 345 



PAUT I. 

 lUTEODUCTOKT KeMAKKS. 



I HAVE lately been occupied in arranging the collection of Odonata in the British 

 Museum, a task which has only been partially attempted before, at long intervals ; and, 

 while thus engaged, I have found it absolutely necessary to revise the large and 

 important subfamily Libellulinae. All the other subfamilies of Odonata have been 

 monographed by Baron Selys-Longchamps, with the exception of the ^shninse, on 

 which he is now engaged. For the arrangement of the Libellulinae our chief guides 

 are Dr. Brauer's tables and characters of genera and lists of species published in the 

 ' Verhandlungen der k.-k. zoologisch-botanischen Gesellschaft in Wien,' vol. xviii. 

 (1868), pp. 364-369 and 711-737. Of course there are local faunae and detached 

 VOL. XII. — FAKT IX. No. 1. — August, 1889. 2 p 



