[ 249 ] XIII. A Revision of the Subfamily Libellulince, with Descriptions of New Genera and Species. By W. F. Kikby, F.E.S., Assistant in the Zoological Department, British Museum. Eeceived March 26th, 1887, read May 17th, 1887. [Plates LI.-LVIL] Contents. p age Part I. Introductory Remarks 249 Characters of Libellulinse 250 a. Head 251 Eyes 251 Prontal tubercle 251 6. Thorax 251 c. Legs 251 d. 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 IV. Descriptions of New Species 314 Explanation of the Plates 345 PAPT I. Introductory Remarks. 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 Libellulinse. All the other subfamilies of Odonata have been monographed by Baron Selys-Longchamps, with the exception of the iEshninse, on which he is now engaged. For the arrangement of the Libellulinse 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. — part ix. No. 1. — August, 1889. 2 p
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