GONEPTERYX. 229 



discocellular slightly longer than middle, lower longest of all, 

 concave. In cell of fore wing three, in that of hind wing two, of 

 the lost longitudinal veins conspicuously indicated. Antennae 

 short, about one-third the length of the fore wing ; club compressed, 

 gradual but well marked ; palpi densely clothed with scales and 

 short hairs, third joint short, blunt ; eyes prominent ; head tufted 

 above in a peak. 



Key to the forms of Gonepteryx. 



a. Hind wing : posterior two-thirds of termen 



arched, only minutely toothed at the apices of 

 the veins. 



'. Upperside fore and hind wings : cT uni- 

 form deep cadmium-yellow. $ white, 

 barely tinged with cream-colour G. rhamni, p. 229. 



I' '. Uppersideforeandhind wings: tf , basal area 

 chrome-yellow fading to white, tinged 

 with pale sulphur-yellow on the outer 

 halves or three-fourths. $ pale cream- | G. rhamni, race 

 colour } chitralensis, p. 230. 



b. Hind wing : posterior two-thirds of termen 



prominently dentate at the apices of the 

 veins. 

 a', c? . Upperside : fore wing chrome-yellow, 



hind wing cream-colour. $, fore and 



hind wings white, uniformly tinged with 



pale sulphur-yellow ; costa of fore wing 



slightly emarginate G. zaneka, p. 230. 



b'. d* . Upperside : fore and hind wings alike 



pale chrome-yellow, slightly paler on 



outer halves of wings. $ , fore and hind 



wings white uniformly tinged with 



sulphur-yellow ; costa of fore wing I G. zaneka, race 



straight | zanekoides, p. 231 . 



028. Gonepteryx rhamni, Linn. (Papilio) Syst. Nat. ed. x, 1758, 

 p. 470 ; Boisduval (Rhodocera), Spec. Gen. Lep. i, 1836, p. 602, 

 pi. 6, fig. 7 <5 ; Ehces (Rhodocera), P. Z. S. 1881, p. 878 ; 

 Lang, Butt. Eur. 1884, p. 65, pi. 14, figs. 4 <J $, pi. 16, figs. 4, 

 larva & pupa; Doherty, J. A. IS. B. 1886, p. 136 ; Mackinnon 

 de N. Jour. Bomb. N. H. Soc. xi, 1898, p. 589. 



Rhodocera farinosa, Zeller, Isis, 1837, p. 5. 



Gonepteryx nepalensis, Doubleday, Gen. Di. Lep. i, 1847, p. 71 ; 

 Moore", Cat. Lep. E. 1. C. i, 1857, p. 59. 



Gonepteryx himalavensis, Manders, Trans. Ent. Soc. 1890 

 p. 534. 



Race chitralensis. 

 Colias chitralensis, Moore, Lep, Ind. vii, 1905, p. 27. 



<? Upperside : pale, clear cadmium-yellow. Fore and hind wings : 

 the apices of the veins and in the fore wing the cilia from vein 4 



