72 



The Butterflies 



holly and ivy. It is doable brooded and not uncommon in 

 Guernsey and Sark. 



23. — Colias Hyale. (Pale Clouded Yellow). The colour 

 of the wings is sulphur yellow, the fore wings having a black 

 band. The caterpillar feeds upon several species of trefoil and 

 clover and changes into the chrysalis in July. The butterfly 

 appears on the wing in July and August. It is not at all 

 common either here or in Sark in ordinary seasons, but in 1868 

 I found it abundant in Sark. 



24. — Colias Edvsa. (Clouded Yellow). In this species, 

 the colour of the anterior wings is bright saffron yellow with a 

 broad black hind marginal band, the hinder wings are more of 

 an orange colour. The caterpillar feeds upon the common 

 clover and lucerne, there being two broods in the year. It is 

 very common in some seasons in the clover and lucerne fields 

 of Guernsey and Sark, and single individuals may often be 

 seen flying along the cliffs. There is a variety named Helice 

 of a much paler colour which is occasionally met with. 



25. — Ehodocera Ehamni. (Brimstone Butterfly). The 

 colour of all the wings is bright canary yellow in the male, 

 pale greenish yellow in the female, and near the centre of each 

 wing is a small saffron coloured spot. This is not a common 

 Guernsey species, but I have seen it abundant in Sark in the 

 autumn. It hibernates and flies about again in the spring. 



26. — Pieris Napi. (Green Veined White). So called from 

 the green veinings so distinctly visible on the underside of the 

 wings. It appears on the wing in May and August (there 

 bking two distinct broods in the year) and swarms in damp 

 meadows in Guernsey and Sark. 



27. — Pieris Eapoe. (Small White). White with black 

 markings, being a variable species as regards the amount of 

 black marking on the upper side of the anterior wings. There 

 is a variety of a yellowish colour which though rare in England 

 has been occasionally met with here. 



