P \ -RA US TW.E—SPIL ODES. 245 



beyond these limits, in the British Isles ; those received being 

 probably referable to the next species— the present never 

 being found " among nettles." 



Abroad it has a considerable distribution through Central 

 Europe, South Norway, Sweden, the Pyrenean region, Italy, 

 Corsica, Russia, Asia Minor, Tartary, Northern India, 

 Afghanistan, and Japan. 



4. S. verticalis, ScMff. ; ruralis, Stand. Cat. — Expanse 

 IJ to \h inch. All the wings pale yellow, or yellowish- 

 white, with a bluish pearly lustre ; the transverse lines smoky 

 brown, all curved, rippled, and bent. 



Antenna long, simple, shining yellow ; palpi short and 

 very blunt, pale chocolate ; head pale reddish-yellow ; thorax 

 Btraw colour ; abdomen shining yellowish-white. Fore wings 

 elongated, broad behind ; costa arched beyond the middle ; 

 apex bluntly angulated ; hind margin gently curved, rather 

 oblique ; yellowish-white with a faintly blue and very pearly 

 gloss ; first line rather straight, nearly erect ; second erect 

 from the dorsal margin but strongly angulated, then below 

 the middle bent very widely outward, rippled and curved up 

 to the costa ; oi'bicular and reniform stigmata small, obscure 

 and cloudy ; beyond the latter is a series of cloudy dashes ; 

 all these markings are smoky grey or smoke colour and 

 rather faint, and a cloud of the same tint lies along the hind 

 margin ; cilia concolorous, shining. Hind wings of the 

 colour and pearly gloss of the fore pair with two very 

 irregular rippled cloudy transverse stripes, and a row of 

 similar dashes inward from the hind margin ; cilia shining 

 pale yellow. Female similar. 



Undersides of all the wings of a white shade of yellow and 

 similarly pearly ; all the markings faintly represented, except 

 that the reniform stigma becomes a more distinct black 

 discal spot. Body and legs pearly pale yellow. 



Variable in the tint of ground colour from pale yellow to 

 pearly white, and more so in a smoky shading which some- 



