24: GEEEX VEINED. 



edge of the wing : tlio liind wings are white. Underneath, the 

 fore wings have two spots, as in the female on the upper sur- 

 face, and the nerves obsenre bhick. The hind wings are pale 

 yellowish, with the nerves broadly margined on each side Avith 

 dusky greenish, widest on the inner part, and tapering off 

 afterwards to the edge. 



The female is generally smaller than the male, and the wings 

 are more rounded. They arc of a light greenish white colour, 

 veined with dusky black; the tips dusky bhick, and there are two 

 spots of the same towards the outer margin of the wing; the lower 

 one, at the lower edge, running into a wide streak, which runs 

 up to the base of the wing. The hind wings are also streaked 

 Avith dusky, but more faintly, and there is one spot on their 

 upper edge, in a line Avith the tAvo on the upper Avings: under- 

 neath, the streaked nerA^es shcAv through, as also the spots. 

 The hind Avings are pale yelloAAash, the nerves streaked Avith 

 dull greenish on both sides, widest above, and each running 

 off to a point at the outer edge. 



The caterpillar is of a dull green colour on the back, the 

 sides b]"ighter, Avith red dots placed on yclloAV spots on each 

 segment. 



The chrysalis is greyish or yelloAvish green Avith black spots. 



This is another A^ery variable insect. One has been described 

 as a separate species, under the name of 'Papilio napea^' and 

 'Pontia napea^.' The male has the AAdiole upper surface of the 

 foi-e Avings Avhite, Avith the tip, a spot, and two or three trian- 

 gular-shaped markings on the hind margin, black; the hind 

 Avings Avhite, Avith the nerves near the base widened and 

 greenish. Underneath, the fore Avings have the nerA'cs rather 

 Avidened into greenish streaks, Avith two ash-coloured spots 

 placed transversely, and the tips yelloAvish; the hind Avings pale 

 yellowish Avith one deeper streak. 



The female has the fore Avings, Avith the tips, and three spots, 

 one of Avhich is nearly triangular, dusky black; the hind Avings 

 clearer yelloAV. Underneath, the hind Avings haAx the streaks 

 on each side of the nerA'cs more or less Avide in diiferent 

 specimens. 



