. Cuvier's animal kingdom : arranged according to its organization. Animals. 608 INSECTA. THE SECOND FAMILY OF THE LEPIDOPTERA,— The Crepuscularia,— Has, near the origin of the exteraal edge of the hind wings, a stiff bristle, which passes through a hook on the under side of the fore-wings, maintaining them whilst in repose in a horizontal or inclined position ; according to Godart, however, some of the Snierinthi are nevertheless destitute of this in- strument, which is also found in the following family, but the Crepuscularise are distinguished by their antennae forming an elongated mass, ei
. Cuvier's animal kingdom : arranged according to its organization. Animals. 608 INSECTA. THE SECOND FAMILY OF THE LEPIDOPTERA,— The Crepuscularia,— Has, near the origin of the exteraal edge of the hind wings, a stiff bristle, which passes through a hook on the under side of the fore-wings, maintaining them whilst in repose in a horizontal or inclined position ; according to Godart, however, some of the Snierinthi are nevertheless destitute of this in- strument, which is also found in the following family, but the Crepuscularise are distinguished by their antennae forming an elongated mass, either prismatic or fusiform. Their caterpillars have always sixteen feet ; their chrysalides are not angulated like those of the Diurnal Lepidoptera, and are mostly in- closed in a cocoon, or are concealed either in the earth or beneath some substance. They mostly fly either in the morning or evening [twilight]. This family composes the genus Sphinx, Linn.,— Which has derived its name from the peculiar attitudes of the larvae, which resemble the fabled Sphinx. They make a humming noise during flight. I divide this genus into four sections, corresponding to the Fabrician genera C'astnia, Sphinx, Sesia, and Zygœna. The first, Hesperi-sphinges, is composed of Lepidoptera which evidently seem to connect the Hes- periac and true Sphinges. The antennae are always simple, thickened in the middle, or towards the tip, which forms a pointed hook without a bundle of hairs at the end. All have a very distinct proboscis, and the palpi are composed of three distinct joints. In some, the terminal joint is long, slender, and nearly naked, as in Urania ; in others they are shorter and broader. Agarista, Leach, has the palpi long-, with the terminal joint nearly naked ; the antenna; gradually thickened in the middle, and terminated by a long hook, [New Holland insects.] Cocytia, Boisduval, has glass-like wings ; the palpi are as in Urania, and the antennae as in Ag'arista. Coronis, Latr.,
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