MODERN SYSTEM. 
218 
they lay their eggs, two hundred or more, below ground, the female 
being excessively solicitous to preserve them from cold and accidents. 
They are said to he attracted to gardens by horse-dung, and to be 
expelled by the dung of hogs. They are common in some parts of 
Hampshire and Wiltshire. 
Stirps 2. — Feet not formed for digging : oviduct exserted : antenna 
longer than the thorax. 
Genus 262. ACHETA. Fair., Leach. Gryt.lus. Linn., Geoff-t 
Lair., Oliv., Lam. 
Sp. 1. Ach. campestris. Body three times longer than broad, black, shin- 
ing. 
Gryilus campestris. Linn., Lair. Acheta campestris. Fab r., Leach. 
Inhabits the temperate parts of Europe ; is not very common in Bri- 
tain. 
The house cricket belongs to this genus. 
Earn. II. Grye uo.r. leach. 
Locustariie. Latreille. 
Elytra and icings oblique : hinder feet formed for jumping : tarsi four- 
jointed: antenna; setaceous : muduct exserted. 
Genus 263. CONOCEP11ALUS. Thunb., Leach. Locusta .GcoJ}., 
De Geer, Fa.br., Oliv., Lam., Latr. 
Thorax • deflexed, convex, truncated : head acuminated : hinder feet twice 
the length of the body: antenna as long as the body. 
Sp. 1. Con. viridissimus. Green : antenna*, vertex, dorsum of the thorax, 
and suture of the elytra fuscous ferrugineous. 
Locusta viridissima. Fabr., Latr. Gryilus viridissimus. Linne. 
Inhabits Europe. In the autumn the perfect insect may be found i* 1 
great plenty in the marshes near London. 
Pam. III. Locustid/e. Leach. 
Acrydii. Latreille. 
Elytra . and icings oblique: hinder feet formed for jumping: tarsi with 
three joints: antenna filiform or ensiform: oviduct not exserted. 
Stirps 1 . — Hinder kgs as long as the body : antenna filiform : scutella’ n 
short. 
Genus 264. LOCUSTA. Leach. Gryi.t.us. Fabr., Pans., Linn. 
Antenna; filiform, or terminated in a club : hinder legs not, or scarcely? 
longer than the body. 
Oes. — W e have many indigenous species of this genus. 
Sp. l . Luc. migraloria. Thorax somewhat carinated : mandibles blu c * 
This species, though not a native of this country, has been occa- 
sionally taken in Britain ; in the year 1748 it appeared ip several 
