55 
GRY LLUS. 
CHARACTER GENERICUS. 
Gryutus, Fabrici. 
AcrypiuM, Geoft., De Geer, Oliv., Lam., Latr. 
Grvyuius (Locusta), Linneus. 
Antenne filiformes seepius subcompresse, inter oculos 
inserte. 
Oculé ovati, prominentes, subperpendiculares. 
Ocelli tres frontales, uno ad oculorum canthum inter- 
num utringue, altero infra antennas sulculo aut 
fossulo insertis. 
Elytra in utroque sexu consimilia. 
Pedes postict corpore longiores, saltatoru, tibus utrin- 
que postice spinulosis. 
LOCUST. 
GENERIC CHARACTER. 
Antenne filiform, generally somewhat compressed, in- 
serted before the eyes. 
Eyes ovate, prominent, almost perpendicular. 
Ocelli three, one on each side at the internal corner of 
the eye, another below the antenna, in a little groove or 
impression, 
Elytra in both sexes alike. 
Hinder feet longer than the body, formed for leaping, 
the shanks on each side of the hinder margin spiny. 
The males of this genus emit a loud and shrill noise (for 
