SYNOPSIS OF CANADIAN ARCTIADAE, 369 
when they secrete themselves and make their cocoons, which re- 
semble those of the last species.” 
The perfect insect appears late in May or early in June. 
Var. Primaries much darker in color, giving a greater prominence 
to the silvery white spots; under surface also darker, with 
markings more distinct. 
Hab.—London, common; Toronto (Mr. Bethune); Prescott (Mr. 
B. Billings’) ; Montreal (Mr. D’ Urban). 
HA. maculata !—Harris. Ins. Mass., p. 259. 
Palpi yellow. Antenne brownish-yellow. Head and thorax deep 
ochre-yellow. 
Primaries yellowish-brown, paler towards the hind margin; with 
three or four very irregular transverse bands of pale yellow spots, 
which are largest along the costa, at base, and along the inner 
margin. 
Secondaries whitish, semitransparent, and without spots. 
Under surface paler with the markings much less distinct. 
Abdomen tawny-yellow above, somewhat paler below with a few 
brownish dots along the sides. Legs yellow; tarsi tipped with 
black. 
Length of body 7 lines. Wings expand 16 lines. 
The larva, as described by Harris from a shrivelled specimen, “is 
covered with whitish tufts forming a crest on the back, in which are 
placed eight black tufts; a black pencil on each side of fourth and 
tenth segments, and a quantity of long white hairs overhanging the 
head, and the hinder extremity. Head black.” 
Hab.—London, not common; Cobourg (Mr..Bethune) ; Kingston 
(Mr. Rogers). 
= 
*H, fulvo fava.— Walker. C. B. M., 788. 
“Proboscis tawny. Thorax with two tawny stripes which con- 
verge hindwards, and with two tawny spots in front between the 
stripes. 
“ Primaries yellow with a tawny spot at the base, with two ob- 
lique tawny bands, with darker borders ; these bands are partly con- 
nected ; and the inner one is especially irregular and ramose, being 
forked in front, and dilated in the disk, towards the base, and emit- 
ting a branch to each border. 
“Secondaries whitish with a slight testaceous tinge. 
