LEPIDOPTERA . 
207 
when at rest, but are distinguished by the peculiar venation 
of the fore wings, vein III being five-branched, and all the 
branches arising from the discal cell. The antennae are 
enlarged into a club towards the tip. p. 364. 
Superfamily Hesperiina. 
EEE. The Butterflies. —Day-flying Lepidoptera that hold 
their wings erect when at rest, that have clubbed antennae, 
and that differ from the Skippers in the venation of the 
fore wings, some of the branches of vein III coalescing 
beyond the discal cell.Superfamily Papilionina. 
F. Butterflies in which vein VII is apparently four- 
branched. The Swallow-tail Butterflies, p. 375. 
Family Papilionid^e. 
FF. Butterflies in which vein VII is apparently three- 
branched. 
G. Butterflies exhibiting no tendency to abortion of the 
fore legs. 
The Pierids. p. 381.Family Pierid^e. 
GG. Butterflies exhibiting a marked tendency to abor¬ 
tion of the fore legs. 
The Gossamer-winged Butterflies, p. 388. 
Family LYCiENlD^E. 
The Brush-footed Butterflies, p. 395. 
Family Nymphalid^e. 
TABLE FOR DETERMINING THE PRINCIPAL GROUPS OF 
LEPIDOPTERA. 
A. Wingless or with rudimentary wings. This division includes only 
females. All males of Lepidoptera are winged. 
B. The larval case-bearers; the adult female remaining within the 
case to lay her eggs. p. 219. Psychid^e. 
BB. The larvae not case-bearers; the wingless adult not in a case. 
C. The adult remaining upon her cocoon to lay her eggs; the 
body of the adult clothed with fine hairs, p. 308. 
Lymantriidje. 
CC. The adult active, laying her eggs remote from her cocoon; 
the body of the adult clothed with flattened scales, p. 270. 
Geometrina. 
AA. Winged, fore and hind wings similar in form and venation, the 
radius of the hind wings being, like that of the fore wings, five- 
branched. (Fig. 238.) (Suborder Jugatce.) [See also AAA.] 
