72 
PIERIDjE. 
The male has the fore wings entirely suffused with orange. The 
angles of the wings are about equal to those of G. Cleopatra. 
The female of the latter and of the present form are similar. 
Habitat, the Canaries. 
NOETH AMEEICAN SPECIES OP PIERIDM ALLIED TO THOSE 
OP EUKOPE AND NOETH ASIA. 
ricris Olcracea, Harr. — Expands 1-7 in. A white species found 
throughout the United States. It is very close to P. Bapce, but is 
less strongly marked with black above and without any yellow 
beneath. 
rieris Virgineiisis, Edw. — Very close to the last, but darker, 
being powdered with greyish brown scales. Habitat, the Southern 
States. 
rieris Vcrnalis, Edw. — This species, figured in the ‘ Butterflies 
of North America,’ appears to be very close to our P. Callidice, but 
is smaller and lighter. 
Pieris Beckeri, Edw., and Pieris Protodice, Boisd., from the 
Southern States, Colorado, and California are very like the Bussian 
1\ Chloridice, but somewhat larger. 
Zegris Olympia, Edw. Butt. N. Am. ii. t. 1-4. — About the size 
of Z. Euplieme. The upper surface of the wings is white ; the fore 
wings have a large grey patch at the apex partly replaced by white ; 
the costal margin is slightly speckled with black. The hind wings 
have a few black scales at the outer angle and a small wedge-shaped 
black spot on the costa. The under side is white, with the apices 
of the fore wings greenish. Hind wings caused by bands of yellow 
and green on a grey ground. Habitat, Texas (Edwards). 
Colias Philodice, Godt. Enc. Meth. ix. p. 100. — This is the 
commonest and most widely distributed North American Colias; 
it greatly approaches our C. P^dceno ; both sexes are yellow. The 
male has a narrow black border, veined with yellow. The female 
has the border spotted with yellow. The discoidal spot of the 
fore wings is distinct. This is the species that was erroneously 
described as British by the older entomologists under the name of 
C. Europome. 
