DESCRIPTIVE NOTICES OF CONSPICUOUS SPECIES 207 



longitudinal streaks ; the fourth segment is rather 

 humped, and the seventh has a lateral protuberance ; 

 the ninth and twelfth segments are also slightly 

 humped ; two points project from the anal segment. It 

 feeds on various plants such as oak, elder, bramble, ivy, 

 clematis, etc., in the autumn, and hybernating nearly 

 full-fed feeds up in the spring. 



The perfect insect appears in July, and flies swiftly 

 and wildly along hedges towards dusk ; it comes occa- 

 sionally to light. 



FAMILY II. ENNOMID^E. 



RUMIA CRAT^EGATA. THE BRIMSTONE 

 MOTH. 



(Plate IX., Fig. 1.) 



This pretty species is extremely plentiful throughout 

 the country, enlivening many a lane by its merry 

 gambols on a summer evening. 



The expansion of the wings is about 1J inch. All 

 the wings are of a bright brimstone colour, with several 

 faint leaden-coloured spots, placed in transverse rows ; 

 along the costa of the fore-wings are three brick-red 

 spots, one at the base, one at the tip, and one in the 

 middle ; from the latter hangs a small whitish spot, 

 edged with dark brown. 



The larva varies much in colour, being sometimes 

 green, sometimes brown, with a straight projection on 

 the back of the seventh segment, and two small pro- 

 minences on the ninth segment; the ninth segment 

 bears a pair of prolegs, and the eighth segment also an 

 il] -developed pair, so that the larva has in all fourteen 

 legs. It feeds on hawthorn from June to October, 



