LA RENT I n.^ -CIDA RIA 279 



or two lanes or hedges, nud (|iiite absent from numerous 

 others which appear to be equally suitable. It was formerly 

 common in some of the outskirts of London, from which it 

 is now (|niti' absent; but in tht= curiously-restricted manner 

 ah-eady mentioned it seems to occur throug-hout England and 

 Wales, and also in Scotland to Clj^desdale and the Hebrides 

 in the west, and to Perthshire. Aberdeenshire, and Moray in 

 the middle and east. lu Ireland also iiretty generally dis- 

 tributed, yet more frec[uent in northern districts — Sligo. 

 Armagh, Antrim, Donegal and Dcrry. Abroad it has an 

 extensive range through Northern Europe, some parts of 

 Central Euro].)e, including tSwitzerlaud ; South-eastern 

 Russia, the mountain regions of Central Asia, Western 

 China, and Japan, with ^ esso. 



'.». C. silaceata, Sfliiff. — Expanse 1 ,!r to 1 _| inch. Fore 

 wings brownish-whitewith creamy-lirown mottlings ; central 

 b'lnd broad, black-brown, usually broken by one or two 

 whitish lines which seem to cross each other. Hind wings 

 white, clouded with smokv-brov. n. 



AnteuniO of the male simple, ciliated, dark-brown ; pal]>i 

 small, projecting, pale brown ; face and head jiale tawny ; 

 ueck-ridge apparently duplicated, the collar being erect in a 

 similar ridge, both white, edged with brown ; thorax very 

 pale brown, faintly striped with dark brown, the flattened 

 crest at the back double, dark brown, very small ; abdomen 

 slender, reddish-brown, the front segments barred with white ; 

 anal tuft small, whitish-lu'own. Fore wings rather eh in- 

 gated ; costa fully arched; ajiex angulated ; hind margin 

 very faintly curved, the anal angle being full and well 

 marked ; dorsal margin almost straight ; colour brownish- 

 white; basal line rather erect and irregular, usually once 

 angled above the middle, black. dn|ilicati'd inside, and form- 

 ing the margin of a large basal blotch either dark brown or 

 composed of alternate dark brown and faintly white lines : 

 immediately bordering it is a completely parallel white or 



