The Canadwn Éntomologist. 
TON LONDON, ONT., DECEMBER, 1873. No. 12 
ON SOME OF OUR COMMON INSECTS. 
RON ATEN CLOUDED SOMPH UR RULLE RHE V== 
Colias philodice, Godt. 
BY THE EDITOR. 
The clouded sulphur is everywhere one of our commonest butterflies, 
abundant in its season in fields and roadways, frequently congregating in 
Fig. 21. 
groups on the borders of streams 
= and springs, where, in hot weather 
* they seem to enjoy settling on the 
/ moist ground. They are still more 
abundant in clover fields as the 
season advances. 
Yi 173 av The female of this species differs , 
sd Kb somewhat in its markings from the 
a sual bloe male, as will be readily seen by 
reference to the figures, 21 representing the female, 22 the male. The 
ground colour of the wings in both sexes is bright yellow, marked on the 
outer edge with a dark brown or blackish border, narrower in the male 
than it is in the female, while in the wig, 22. 
latter it encloses on the anterior wings 4 
a broken row of irregular yellow spots: 
There is also a spot of black placed 
near the front edge of the fore wings, 
about half way between the base and 
tip, varying in form and distinctness. 
The hind wings in both sexes are less 
heavily margined, and near the middle 
is a dull pale orange spot. Both wings are dusky towards the base, and 
the fringes are pink. 
