fcUCHLOE. 187 



extreme mottled green tip of the fore-wings is left visible 

 beyond the mottled green hind-wings ; thus the Butterfly is 

 lost to view among the similarly-coloured leaves and flowers 

 of the plant. This habit was first recorded about thirty years 

 ago by the late Mr. T. W. Wood. Accidental varieties are 

 not uncommon; the ground-colour of the wings is some- 

 times white, and sometimes more or less tinged with yellow. 

 Gynandromorphous specimens have also been met with, ex- 

 hibiting the male colouring with the orange spot on one 

 side of the wings, and the ordinary plainer colour of the 



Tupa of Euchloe cardamines* 



female, without the spot, on the other. Specimens are met 

 with in some localities and during certain seasons, which are 

 much smaller than the usual individuals ; and according to my 

 own experience I am inclined to think that the female varies 

 in size more than the male. 



The Orange-Tip measures from one and a quarter to nearly 

 two inches across the wings. The wings are white above, some- 

 times slightly tinged with yellow. The fore-wings are blackish 

 at the base, and brown, spotted with white on the margin, at the 

 apex ; there is a black spot at the end of the discoidal cell, and 

 the male has a bright orange patch over the outer half of the fore- 



