Oil the Sjiectcs which have been inchulcd in /ygunyx. 7>',][) 



llic two lower one3 broader and subconti^uous, tlie middle 

 one iiitorrupteil. Logs black, uitb the leiiiora iiicliiiiri;; to 

 nitons; bristles lon^' and slender, not very nunierous. Fore 

 wings hyaline, with black pterostignia and nervurcs 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 fittlis darker brown ; on the middle third of the 

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

 costa, and the tip ot" the wing is of the 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 co])pery iridescence. In the female the 

 hind wings are hyaline yellow, with a broad black subai)ical 

 band, with a strong green and coppery iridescence both 

 above and below. 



Described from six specimens, three of each sex. 



EXPLANATION OF PLATE XIL 



Fif/. I. Zi/t/()iii(li(i iiisit/in's, gen. & sj). ii., p. 5;W. 



Fif/. '2. I'si'iidophffa decorata (?), De Selys, p. 5'J6. 



Fiij. .3. Pspudolestes mirabilis, gen. & sp. n., ]). o38. 



Fiy. 4. lihinocypha IfTiiteheadi, sp. n., p. 536. 



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

 It.njen and De Selys. By W. F. KiKBY, F.L.S., F.E.S., 

 &c.' 



I NOW take the opportunity of publishing the notes referred 

 to in the preceding paper. 



Genus ZygONVX, llagen and Do Solys. 



(1) Hagen, Verb, zool.-bot. Ges. Wien, xvii. p. 02 (1807). 



(2) Brauer, op. cit. xviii. p. 370 (1808). 



(3) Id. op. cit. p. 712 (1808). 



(4) De Selvs, Ann. Soc. Ent. Belg. xii. p. 'JO (1809). 



(5) Id. Ann. Nat. Ili.st. (4) iii. p. 274 ( JHOH). 



(0) Id. Bull. Aci.d. Belg. (2) x.xxi. p. 520 (1871). 



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



(8) De Sely.s C, R. Soc. Ent. Belg. xxxv. p. coxxvii (18!tl). 



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



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

 De Selys as belonging to the Corduliida; and as including 



