(2) Chrysophanus hypophlæas (Boisduval), [Plate LXXXIX], Fig. 1, ♀ (The American Copper).

This is one of the commonest butterflies in the United States. Everybody has seen it flitting about upon lawns and in gardens. The figure we give is unmistakable. Expanse 1.00 inch.

The caterpillar feeds upon common sorrel ( Rumex acetosella). The insect ranges from Hudson Bay to the Gulf States, but does not invade the hot belt about the Gulf.

(3) Chrysophanus epixanthe (Boisduval & Leconte), [Plate LXXXIX], Fig. 2, ♂ (The Least Copper).

The smallest species in the genus, confined to the north. The male above has the wings fuscous, shot with violet, with a few red spots near the anal angle of the hind wings. The female is pale gray above, more profusely marked with dark spots than the male. Below the wings are pale gray sprinkled with bluish scales at the base, marked as above. Expanse 0.85-0.95 inch.

Common from Newfoundland to British Columbia, never south of New England.

(4) Chrysophanus thoë (Boisduval & Leconte), [Plate LXXXIX], Fig. 3, ♂ (The Bronze Copper).

PL. XC

The female differs from the male in having the fore wings bright coppery red, marked with a number of dark spots, three in the cell, one below it, and an irregular transverse band of them crossing the limbal area. The outer margin is heavily banded with fuscous. Below the fore wing is tawny red in both sexes, pale gray at the apex; the hind wings are bluish gray with a broad band of carmine on the outer margin. Both wings underneath profusely adorned with small black spots. Expanse 1.30-1.40 inch.