128 
WOOD WHITE BUTTERFLY. 
outer half of the wing is deeply tinged with orange 
in the male, but there is no trace of that colour in 
the female. The hinder wings are alike in both 
sexes ; on the upper side they are dusky at the base, 
the outer margin bears a few blackish points, and 
the surface presents faint traces of the markings on 
the under side ; the latter consist of irregular mar- 
morated spots of green, powdered as it were with 
yellow. The antenna; are white, with dark rings. 
The caterpillar feeds on several cruciferous plants, 
especially those of the genus Cardamines ; also on 
Turritis glabra, Brassica campestris, &c. It is of 
a green colour, with a whitish line along each side, 
just above the insertion of the legs. The chrysalis 
is also greenish-yellow. 
WOOD WHITE BUTTERFLY. 
Leucophasia Sinapis. 
PLATE X. Fig. 3. 
Pap. Sinapis, Linn — Donovan , vii. pi. 280 Pontia Sina- 
pis, Leach, Jermyn . — Wood White, Harris' Aur. pi. 29. 
— Leucophasia Sinapis, S/eph — Leucoph. Loti, Rennie. 
The present genus (named from Xivxse, white, 
and tpcari;, an apparition or appearance), is distin- 
guished by the structure of the palpi, which are 
