56 
the purpose of attracting the females), by rubbing their 
hinder shanks against their wings. 
The depredations committed on the vegetable world, by 
some species of Jecusts, is incalculable. They migrate in 
prodigious numbers, carrying desolation before them ; and 
although they deprive mankind of a very considerable por- 
= 
triment of a wholesome and even palatable kind, they being 
eaten in the fresh as well as in the dried and salted states. 
TAB. XXIV. 
GRYLLUS AUSTRALASLE. 
G. rufescens; fronte producto; thorace arcuato-cris- 
tato, postice producto. 
Habitat in Australasia vulgatissimus. 
AUSTRALASIA LOCUST. 
Reddish ; front produced ; thorax with an arched crest, 
produced: behind. . 
The annexed plate represents the male and female of this 
curious insect, which is extremely common in New Hol- 
land. The lower figure exhibits the male in a sitting po- 
sition. 
