83 
MACROPUS. 
CrramByx, Linn., Gmel., Fabr., &c. 
Prionus, Olivier. 
Macropus, Thunberg, Leach. 
Lamia, Latreille. 
CHARACTER GENERICUS. 
Corpus valde depressum ; zhoraz utrinque tuberculo maximo 
spina terminato, mobili instructus; pedes antici, (maris 
presertim) longissimi. 
Caput verticale ; palpi subfiliformes articulo ultimo ovali ; 
labrum magnum; antenne longissime, setacer, 10- 
articulate, in oculorum sinu interno inserte. 
MACROPUS. 
GENERIG CHARACTER. 
Body much depressed ; thorax furnished on each side with 
a large moveable tubercle terminated by a spine ; anterior 
legs (especially of the male) very long. 
Head vertical ; palpi somewhat filiform, the last joint oval ; 
labrum large; antenne very long, setaceous, and com- 
posed of ten joints, inserted in a notch on the interior 
side of the eye. 
The essential character of this genus, is, the moveable 
tubercle on each side of the thorax: this distinguishes it 
from all other genera of the tribe to which it belongs. 
