INSECTS. 
525 
Genus C U C UJ U S. —Fabricius. 
Generic Character. —With moniliform antennas, which are 
shorter than the body; labrum advanced between the mandibles; 
labium bifid; body greatly depressed ; tarsi short. 
Cucujus Dejeani. — Dejean’s Cucujus. 
Plate Cl. fig. 11. 
Fulvous, with the antennae, tibiae, tarsi, and posterior half of 
the elytra black; the mandibles long, curved, and bifid at the 
tip. The females are like the other sex, except that the man¬ 
dibles are very short. Seven inches long. Inhabits Brazil. 
TRIBE IV.-LONGICORNES. 
First three joints of the tarsi provided with pencils below, 
and the intermediate two broad, triangular, or heart-shaped; 
the third deeply bilobate; labium triangular or cordiform, 
notched or bifid; antennae filiform or setaceous, the same length 
as the body, sometimes longer, in some species inserted in a 
notch of the eyes sometimes outside; feet long, slender, with 
long tarsi; body elongated. 
Genus PRION US.— Geoffroy. 
Generic Character. —Body elongated and depressed; head 
directed forward and flattened ; mandibles strong, and anteriorly 
dentated ; palpi terminated by a larger joint, conical, or in the 
form of a reversed triangle; antennae always longer than the 
thorax, serrated or pectinated in some, in others spinous or sim¬ 
ple ; thorax edged, dentated, or unequal. 
Prionus coriarius. — The Tanner Prionus. 
Plate XCVIII. fig. 8. 
Antennae thick and serrated; thorax armed on each side with 
three sharp spines; the whole insect of a deep chocolate brown. 
Inhabits the hollows of decayed trees in Britain. 
TRIBE V.-EUPODA. 
Body oblong; antennae filiform, thickening towards the point, 
and inserted near the eyes, about the length of the head and 
thorax ; thorax narrow, cylindrical, or square, receiving the head 
