230 Mr. W. F. Kirby on Dmgonflies 



eight species as new, one of whicli will form the type of a 

 new genus. Two or three others are also apparently un- 

 described ; but the material before me is not sufficient to 

 render it advisable to describe them at present. 



The full synonymy of the known species will be found in 

 my ' Synonymic Catalogue of Neuroptera Odouata.' 



The new species are as follows : — 



Rlij'otliemis ducalis. Ortbetrum flavidulum. 



Urothemis Rendalli. Acisoma variegatum. 



iridescens. Phj'llomacromia flavicincta. 



Stcechia (gen. nov.) Distant!. Lestes obscurus. 



List of Species of Neuroptera Odonata in the Collection. 

 Libellulidse. 



' LiBELUJLINM. 



1. Tholymis, sp. 



Four specimens. 



Fort Johnston, Nyasaland [P. Rendall). 



A species resembling the Indian T. tillarga, Fabr., in 

 coloration, but as large as the West-African T. pallida, 

 Beauv. The abdomen is damaged in all the specimens, so 

 that it is desirable to defer describing them at present. 



2. Pantala flavescens. 

 Libellulajlavescens, Fabr. Ent. Syst. Suppl. p. 285 (1798). 



Two specimens. 



Fort Johnston, Nyasaland (P. Rendall). 



The most widely distributed of all dragonflies, found 

 almost everywhere in the warmer parts of the world outside 

 Europe. 



3. Tramea basilaris. 



Libellula basilaris, Beauv. Ins. Afr. Am^r. p. 171, pi. ii. fig. 1 (1805). 



One specimen. 



Warm Baths, Waterberg {Distant). 



Appears to be identical with West-African specimens. 



4. Rhyotliemis ducalis, sp. n. 



Long. Corp. 30-33 millira. ; exp. al. 58-67 millira.; long, 

 pter. 2-2^ millim. 



Male. — Inky black, vertex violet-purple, face yellow, with 



