182 
ORTHOPTERA. 
cloud near the middle of the hind margin, and a black line 
on the front margin ; hind thighs pale, with two large black 
spots on the inside ; hind shanks hroA^m, with darker spines, 
and a broad whitish ring below the knees. Length f inch; 
exp. above inch. 
Tliis somewhat resembles the clouded locust, Lorn which, 
however, it is easily distinguished by its much shorter anten¬ 
nae and the dusky cloud on the hinder margin of the wings. 
I have captured it in pastures, in the perfect state, from the 
middle of May to near the end of July. I believe that it has 
never been described before. 
11. Locusta (^Tragocephald) viridi-fasciata. Green-striped Locust. 
(Plate III. Fig. 2.) 
Green; thorax keeled above; wing-covers with a broad 
green stripe on the outer margin extending from the base 
beyond the middle and including two small dusky spots on 
the edge, the remainder dusky but semi-transparent at the 
end ; wings transparent, very pale greenish yellow next to 
the body, with a large dusky cloud near the middle of the 
hind margin, and a black line on the front margin ; antennae, 
fore and middle legs reddish; hind thighs green, with two 
black spots in the furrow beneath; hind shanks blue-gray, 
with a broad whitish ring below the knees, and the spines 
whitish, tipped with black. Length about 1 inch; exp. from 
more than If to nearly 2 inches. 
This insect is the Acrydiam viridi-fasciatum of De Geer, 
who was the first describer of it, the G-ryllus Virginianus of 
Fabricius, the Gryllus Locusta chrysomelas of Gmelin, the 
Acrydium marginatum of Olivier, and the Acridium hemipte- 
rum of Palisot de Beauvois. It is remarkable that a species 
so strongly marked as this is should have been so profusely 
named. Palisot de Beauvois seems to have selected the most 
appropriate name for it; for the green portion of the wing- 
covers is thick and opaque, and the dusky portion thin and 
semi-transparent, as in the wing-covers of Hemipterous in- 
