400 CLASS VIII. ORDER V. 
ORDER 5. COLEOPTERA. 
Having four wings, the outer pair (called ely- 
tra) crustaceous, the inner pair folded transverse- 
ly, or not extended longitudinally. 
Sec. A. Tarsus with five joints ; palpi six. 
CicinpELA, (tiger-bug,) antenne setaceous ; 
jaws prominent, denticulated ; eyes protuberant ; 
thorax roundish and margined. 
Carabus, antenne setaceous; thorax some 
what heart-form, truncated in front, margined ; 
abdomen ovate ; wing-sheaths margined. 
Dytiscus, (swimmer,) antenne setaceous ; hind 
legs villose, formed for swimming and terminated 
by scarcely visible claws. 
Hypracuna, (water witch, water-spider,) legs 
eight, formed for swimming; head, thorax and ab- 
domen united, or connate ; feelers two, jointed ; 
eyes 2, 4or 6. 
Grrinvs, (glimmer-cheffer,) antennz clavate, 
stiff, shorter than the head, eyes apparently four, 
two above and two below. 
Sec. B. Tarsus with five joints ; palm four ; 
antennee not enlarged at the ends nor luminated. 
STAPHYLINUS, (rove beetle,) antennz moniliform 3; 
wing-sheaths halved ; wings covered ; tail simple, 
occasionally pretruding two oblong vesicles. 
Buprestis, antenne setaceous, of the length of 
the thorax ; head half withdraw n beneath the 
thorax. 
Earer, (snap-bug,) antenne setaceous ; body 
oblong, when placed onthe back, springing up by 
