6 NOCTURNAL LEPIDOPTERA FOUND IN CANADA. 
AAAA. Hind wings luteous, with a black band and a black border. 
G. Fore wings gray. 
H. Hind wings with the fascia not excavated. 10. 
CG. cerogama. 
HH. Hind wings with the fascia excavated, 11. C. anti- 
nympha. 
HHH. Hind wings with the fascia contracted in the 
middle. 19. C. neogama. 
GG. Fore wings cinereous, 12. C. polygama. 
1. Catocana RexicTA, Walk,—Cat. Brit. Mus. Noct. 1192. 
Body black, speckled with white, pure white beneath; thorax black 
with a few white hairs, in front white with a black band; abdomen 
above black, whitish between the segments and at the apex. Fore 
wings, ground color white, with the usual transverse lines black, and 
a black fascia in the middle of the wing, interrupted by the subreni- 
form spot, which is white edged with black ; marginal lunules deep 
black. Hind wings deep black, with a regularly curved white band, 
and white ciliz ; anal angle truncate. Under side of both wings white, 
with a series of black spots on the exterior margin; fore wings with 
- three black bands also, which are wide on the costa, gradually dim- 
inishing toward the inner margin ; hind wings with a black band, a 
black border, and the discal lunule deep black. Length of the body 
12-14 lines; alar expansion 32 lines. 
Hab. Cobourg. Toronto (Dr. Morris.) Nova Scotia. 
2. C. Vipua, Smith,—Walk. C. B. M. Noct. 1200. Guén, Noet. 
Ill. 94. 
Body cinereous, beneath whitish ; thorax with black bands in front ; 
abdomen thickly clothed with white hairs at the base beneath. Fore 
wings cinereous, slightly glaucescent in the middle; the usual trans- 
verse lines well defined, black, closely approaching each other near the 
inner margin; elbowed line with two long sharp teeth a little before 
the middle, the exterior one longer than the other; subterminal line 
whitish, irregular, and denticulated ; submarginal spots black, border- 
ed externally with white; reniform spot light brown in the middle, 
edged with black. Hind wings velvety black, with a few long cinere- 
ous hairs at the base ; cilize white, slightly interrupted by the. black 
prolongations of the nervures. Beneath, forewings deep black, cinere- 
ous at the apex, white at the base, with two white bands extending 
half way across the wing from the costa, exterior one narrow, slightly 
