228 PIEBIDJE. 



a comparatively large, similarly coloured round spot iu interspace 

 3 ; a similar band crosses the hind wing, not extended either to 

 the costa or to the tornus ; lastly, minute dark spots as on the 

 upperside at the termination of the veins on the hind wing. 

 Antenna dark reddish brown, palpi in front and head pinkish, 

 thorax dark bluish grey, abdomen pale yellow ; beneath : thorax and 

 abdomen pale yellow. $ . Similar to the rf but the ground-colour 

 much paler ; the ferruginous spot in interspace 3 of the fore wing 

 larger, especially on the underside. 



Exp. 6 $ 58-64 mm. (2-3-2-5"). 



Hob. Sikhim ; the hills of Assam. 



Dimorph decipiens, de Nice ville. The 3 only appears to be 

 known, I have seen no $ . The d 1 differs from the typical form 

 in the absence of the spot in interspace 3 of the fore' wing, both 

 on the upper and under sides. 



Exp. As in the typical form. 



Hab. The hills of Assam. 



Genus GONEPTERYX. 



Gonepteryx, Leach, Edinburgh Encycl. ix, 1815, p. 128. 



Type, G. rhamni, Linn., from Europe. 



Range. Europe ; N. Africa ; Asia north of the Himalayas, in- 

 cluding Upper Burma, China, and Japan ; in the Western Hemi- 

 sphere, Jamaica, Florida, Venezuela and Brazil, but not in the 

 United States or Canada. 



c? $ . Fore wing : costa curved at base, then widely but very 

 slightly emarginate in the middle 

 or straight ; apex strongly arched 

 and falcate ; termen concave below 

 apex, then convex ; tornus broadly 

 rounded ; dorsuin bisinuate ; cell 

 more than half length of wing ; 

 vein 6 out of 7 from well bevond 

 apex of cell, upper discocellular 

 absent, middle discocellular very 

 short, not one-quarter the length 

 . of the lower, lower deeply concave ; 

 vein 5 shifted up, more or less 

 approximate to base of 7 ; vein 8 

 absent ; 9 from middle of 7 ; 10 and 



3 2 1 11 free, rather wide apnrt, termi- 



Fig. 58. Gonepteryx, venation. nated on costa. Hind wing: broadly 

 oval ; termen at apices of veins 7, 



2 and 4 slightly, at apex of vein 3 more prominently dentate ; sub- 

 costal vein and vein 7 swollen, prominent ; median vein, veins 1, 2, 



3 and 4 towards base and lower discocellular Jess conspicuously 

 swollen and prominent ; cell more than half length of wing, upper 



