On the Species which have been included in Zygonyx. 539 



ihe two lower ones broader and subcontiguous, the middle 

 one interrupted. Legs black, with the femora inclining to 

 rufous ; bristles long and slender, not very numerous. Fore 

 wings hyaline, with black pterostigma and nervures and with 

 18-21 postnodal cross-nervures. Male with the hind wings 

 smoky brown towards the base and along the costa and the 

 outer two fifths darker brown ; on the middle third of the 

 inner margin is a large orange space, extending nearly to the 

 costa, and the tip of the wing is of tlie same colour. On the 

 underside the large orange blotch and most of the space 

 between this and the tip is clothed with silvery- white scales, 

 the portions of the wing not thus covered being black, with a 

 strong green and coppery iridescence. In the female the 

 hind wings are hyaline yellow, with a broad black subapical 

 band, with a strong green and coppery iridescence both 

 above and below. 



Described from six specimens, three of each sex. 



EXPLANATION OF PLATE XIL 



Fiff. I. Zygonidia insignis, gen. & sp. n., p. 533. 

 Fig. 2. Pseudoph^a decorata (P), De Selys, p. -536. 

 Fig. 3. Pseudolestes mirabilis, ^en. & sp. n., p. 538. 

 Fig. 4. Bhinocypha fMiiteheadi, sp. n., p. 536. 



LXXI. — On the Species which have been included in Zygonyx, 

 IJcgen and De Selys. By W. F. KiRBY, F.L.S., F.E.S., 

 &c. 



I NOW take the opportunity of publishing the notes referred 

 to in the preceding paper. 



Genus Zygonyx, Hagen and De Selys. 



(1) Hagen, Verb, zool.-bot. Ges. Wien, xvii. p. 62 (1867). 



(2) Brauer, op. cit. xviii. p. 370 (1868). 



(3) Id. op. cit. p. 742 (1868), 



(4) De Selvs, Ann. Soc. Eat. Belg. xii. p. 96 (1869). 



(5) Id. Ann. Nat. Hist. (4) ui. p. 274 (1869). 



(6) Id. Bull. Acad. Belg. (2) xxxi. p. 520 (1871). 



(7) Karsch, Berl. ent. Zeitschr. xxxiii. p. 281 (1890). 



(8) De Selys, C. R. Soc. Ent. Belg. xxxv. p. ccxxvii (1891). 

 (9j Calvert, Proc. Acad. Nat. Sci. Philad. 1899, p. 245. 



Hagen and Brauer (1-3) briefly notice this MS. genus of 

 De Selys as belonging to the Corduliida? and as including 



