258 
SYSTEMATIC ARRANGEMENT. 
variegated with numerous small light-yellow quad- 
rate spots ; wings blue, with blade spots, the posterior 
margin black ; abdomen red above with yellow spots, 
yellowish-green beneath ; hinder legs green, the 
thighs spotted with white. A native of South 
America. 
LOCUSTA FLAVA. 
Plate XVI. Fig. 2. 
Gryllus FJavus, Linn. Fabr. — Acrid, nigrofasciatum, De Geer , 
iii. p. 493, PI. 41, fig. 5. — Stoll's Sauterelles de Passage , 
PI. 11 5. fig. 41. 
Body ash-coloured ; thorax unequal, with a dorsal 
ridge ; tegmina clouded with rusty-brown, each with 
two light- coloured bars ; wings of a fine yellow at 
the base, beyond this there is a curved band of black- 
ish brown, the extremity transparent and unspotted ; 
posterior thighs bluish-black internally ; tibise red. 
Found at the Cape of Good Hope. 
LOCUSTA SURINAMA. 
Plate XVII. Fig. 1. 
Gryllus Surinamus, Linn. Fabr. — De Geer , iii. p. 503, PI. 42, 
Fig. 3, — Stoll's Saut. de Pass. PI. 22. b. 42, 42 a. 
Length from eight to nine lines ; thorax black, with 
four longitudinal yellow lines ; tegmiua dull-green, 
inclining to grey ; wings blue, very glossy ; abdomen 
greenish-yellow r , with a series of yellow spots on each 
side ; thighs blood-red at the base, the tip, and some- 
times a band near the middle, black. Found in Sur- 
inam. 
