572 ORTHOPTERA. 



pand two and a quarter inches ; those of the female three 

 inches. Mr. Scudder has discovered a chalcid parasite in the 

 eggs of OEdipoda Carolina. 



In Tettix the pronotum is prolonged bej'ond the abdomen, 

 and the antenniB are thirteen to fourteeu-jointed, while Tetti- 

 gidea differs from it by having twenty-two-jointed antennae, and 

 a thicker, shorter body. Tettix gramdata Kirb}' has a very 

 prominent vertex, with the front border angulated. 



Tettigidea lateralis Say is a common species, and may be 

 found, lilvc all the other allied species, in the spring and au- 

 tumn. It is pale brown, with the sides of the bod}' blackish ; 

 the prothorax is yellowish clay colored, and the fore wings 

 have a small white spot at the ti^DS. 



Batrachidea has but twelve joints to the antennae, and other- 

 wise differs from Tettix in its more compact shorter bod}', and 

 more distant eyes, while the mesial crest on the prothorax is 

 very high. In B. cristata Harris the crest is high, regularly 

 arched, and on each side of the prothorax are two shallow 

 grooves ; the surface is rough, with a dark squarish spot on 

 each side above the terminal half of the fore wings. Saussure 

 describes an aquatic Tettix from Ceylon. 



The genus Proscopia is wingless, with the front produced 

 into a long slender cone, while the whole bod}' is long and 

 cylindrical, somewhat as in Diapheromera. The anteuute are 

 very minute, six to eight-jointed, and the legs are long and 

 slender. P. gigantea Klug is six inches long, and occurs in 

 Brazil a,t Para. 



Phasmida Leach. The Walking-sticks, or Spectres, are slug- 

 gish insects found on twigs and leaves, to which they bear- a 

 strong resemblance, and are neither raptorial as regards their 

 fore legs, nor leapers, like the grasshoppers. Their bodies are 

 remarkably long and linear, and the wings either aborted and 

 very small, or strikingly leaf-like. The head is horizontal, 

 long, while the antennae are rather short, and the abdomen is 

 nearly twice as long as the rest of the body. 



The subgenital plate is formed by the largely developed 

 eighth sternite, while the ninth segment is incomplete, the 

 sternum consisting of a membranous fold. According to L. 



