MARCH. 77 



hot, scarcely an Aphis was found, and the duty, which began 

 in May at ^120,000, rose to nearly 500,000 ; so that this 

 little insect actually possesses a control over the British 

 treasury amounting to hundreds of thousands." 



LEPIDOPTBRA. PAPILIONIDJI. 

 GONEPTERYX. 



Generic Distinctions. Antennae rather short and robust, thicken- 

 ing near the summit to an obtuse club ; palpi compressed and pro- 

 jecting a little beyond the head ; wings large, angulated, the under 

 pair grooved to receiv.e the body. 



GONEPTERYX RHAMNI. (Plate V.) Brimstone Butterfly. 

 The male is entirely bright sulphur-yellow above, and the 

 female greenish-white ; both have a small round orange spot 

 near the middle of each wing, and some minute rust-coloured 

 spots along the outer edge ; the under side is paler than 

 the upper, and the central marks are rust-brown and pale 

 in the middle. The body is black above, and clothed with 

 long silky white hairs, the under parts are yellow ; antennae 

 reddish ; the head and thorax slightly tinged with rose- 

 colour. This insect is common in the southern counties, 

 and also occurs in many parts of the north, but not in 



