36 MODERN ARRANGEMENT OF 
of extreme tenuity; this it has the power of lengthening at 
will, by which it swings itself to the ground, and ascends at 
pleasure. The species destitute of posterior feet, suspend them- 
selves by the extremity of the body like the caterpillars of some 
butterflies, The time which the Phalene remain in the chry- 
salis form, varies in different species. A great number become 
perfect insects towards the end of summer. These all perish 
after having secured the reproduction of their ova; but those 
which do not undergo their metamorphosis till autumn, conti- 
nue during winter in the pupa state, and assume the imago or 
perfect condition in the following spring. 
Famiry VII.—Cramoires, Latreille. 
I. Wings in a flattened slope, and forming a triangle with the 
body. 
The genera are Borys, Hyprocampus, Actossa, and 
Tuiruya, 
11. Wings hanging almost vertically on each side of the body, 
and ascending posteriorly, or rolled around it ; the upper ones 
long, narrow, and the lower broad. 
The genera are Garreria, Crambus, and Arvcita. 
Genus Crambus, Latreille. 
Insects are provided with four palpi, the lower ones 
large and projecting ; wings rolled around the 
body in a cylindrical form ; antennee setaceous. 
Famity VIII.—Prrrornorires, Latreille. 
Wings, or at least two of them, cleft, or digitate ; 
body slender and elongated; feet long ; antenne 
simple ; spiral proboscis distinct ; wings some- 
