172 POPULAR ENTOMOLOGY. 



angular spots. The caterpillar is dusky brown, with 

 waving yellow lines on tfie sides. The moth is not very 

 common. 



LEPIDOPTERA. GEOMETRIDJE. 



OURAPTERYX. 



Generic Distinctions. Antennae simple ; palpi short ; proboscis 

 nearly as long as the antennae ; wings, anterior very acute, posterior 

 much prolonged. 



OURAPTERYX SAMBUCARIA. Swallow-tail Moth. The 

 wings measure about two inches and a half; the colour 

 delicate sulphur, shading into satiny-white towards the 

 base ; the surface marked with numerous streaks, placed 

 transversely ; two lines of deep yellow run across the 

 anterior wings, and one across the under pair ; at the base 

 of the tail-like projection are two small blackish spots. 

 The caterpillar is reddish-brown, with darker longitudinal 

 lines ; it feeds principally on the elder, willow, and lime- 

 tree, and is common in many parts of England. 



