Grasshoppers of Kansas. 13 



Campylacantha vivax Seudder. 

 Size medium; general color yellowish green with brownish markings. 

 Head with a narrow longitudinal brown stripe on top bordered broadly 

 on each side with dark olivaceous. Frontal costa subequal, sulcate at and 

 below ocellus, fastigium very shallowly sulcate; antenna; dark ferrugi- 

 nous, infuscated in apical two-thirds. Pronotum nearly as wide as head, 

 feebly enlarging posteriorly, dorsum rather convex; prozona about a 

 third longer than metazona. Median carina more distinct on metazona 

 than on prozona cut by the principal sulcus, the lateral carina with a 

 short yellowish-brown stripe; prozona sparsely punctate; metazona pro- 

 fusely punctate, becoming rugulose, anterior margin truncate, posterior 

 margin obtusely angulate. Prosternal spine rather stout, bluntly pointed, 

 appressed. Tegmina sublanceolate, about as long as the pronotum; wings 

 rudimentary. Hind femora greenish yellow, bifasciate above with oliva- 

 ceous and with a whitish stripe on outer lower margin. Hind tibia blue, 

 the spines blue with black tips, ten in number in the outer series ; orolium 

 large. Supra-anal plate of male triangular, as wide as long apically, 

 acuteangulate, with median sulcus extending nearly one-half the length 

 of the supra-anal plate. Furcula consisting of a pair of minute lobes; 

 cerci nearly straight, failing to reach the tip of supra-anal plate by one- 

 half their length, distal half more than half as broad as basal half, tip 

 produced below. 



Measurements in Millimeters. 



Length of body: 



Male 19.5 



Female 24.5 



Tegmina : 



Male 5.5 



Female 6.25 



Hind femora: 



Male 11.5 



Female 14.0 



Antennae : 



Male 8.5 



Locality. One male, two females; Morton county, Kansas, August 5, 

 1911, F. X. Williams. 



Now first reported from Kansas. 



Hesperotettix Seudder. 



Body almost parallel-sided, very little enlarged at the metathorax, 

 more or less but not generally compressed, more so in the male than in 

 the female. Head not very prominent; vertex usually very narrow 

 between the eyes, with a slight depression or sulcation between; fas- 

 tigium broadening in front of it, declivent, with a median depression or 

 longitudinal sulcation, sometimes distinct, sometimes obscure, the sides 

 rounded; front straight, somewhat oblique, the frontal costa equal, only 

 slightly contracted at the extreme summit, generally as broad as if not 

 broader than the interval between the eyes, sulcate throughout; antennas 

 slightly (female) or considerably (male) longer than the head and pro- 

 notum together; eyes slightly prominent, a little more so in the male than 



