44 
THE THYRIA BUTTERFLY. 
Papilio Thyria. 
PLATE IY. 
Pieris Thyria, MM. Latreille and Geoffroy, Ency. Meth. 
Hist. Nat. ix. p. 147.—Pontia Thyria, Horsfield, in 
Zool. Journ. vol. y. p» 69, pl. 4, fig. 2. 
Tux Thyria butterfly is two inches in breadth, 
and of an uniform rich orange coloured brown ; the 
anterior margins towards the shoulders of the upper 
wings tinged with yellow, and the interior margins 
of the lower wings of the same colour, with their 
posterior margins scalloped and edged with a border 
of yellow, above which, is a scalloped border of 
black ; the external sides of the upper wings have 
a black border ; the body is yellowish brown. 
Dr Horsfield says, “ The male, in our insect, is 
distinguished by a more rich and saturated colour 
above, by very prominent blackish nervures, and 
by a very faint posterior border. In the female, 
both wings have a distinct broad blackish posterior 
border, and the anterior pair has, besides, a band 
of the same colour, near the outer apical angle, 
passing obliquely from the middle of the costa, to- 
wards the margin, being succeeded by several in- 
distinct ares. The tint in the female is less brilliant ; 
