NO. 1124. jiErisroy OF the Mi:i..\y()PLi^scvi>in:ii. 149 



hind tibia*' rather <lark j:jlaucou8, the spines black, nine to eleven in 

 iminber in tiie outer series. 



Length of body, male, KJ.oiniu., female, IS mm.; antennae, male. 7.2 

 mm., female, mm.; tej^mina, male, I.'*.?.") mm., female, l.'i.o mm.; hind 

 femora, male, !>..') mm., female, O.T.j mm. 



Nine males, ."i females. Montana (U.8.X.M. — Riley collection): Tin- 

 ney County, Kansas, September, II. W. .Meuke (l^niversity <d Kansas); 

 between Smoky Hill. Kansas, and Denver, Colorado, September, L. 

 .Agassi/- (Museum Co!n])arative Zoology); Coloiailo Springs, VA Pa.so 

 County, Colorado, August, K. S. Tucker (same); (larden of the Gods, 

 El Paso C(mnty, Colorado, October 0; South Park, Colorado, S-lo,(MM) 

 feet, August 11, IG; Salt Lake Valley, Itah, September (CS.N.M. — 

 lUley collection); Johnson's Basin, New Mexico, June 22, Townsend 

 (L. Bruner); Zacatecas, Mexico, November (same). 



It is also reported by Bruner I'rom Idaho, Wyoming, and western 

 N'ebraska. 



7. MELANOPLUS DISCOLOR. 



(Plate X, tig. 7.) 



Pezotettix discolor S( iddkrI. Troc. Boat. Soe. Nat. Hist.. XX (1879), i>p. 81-82; 

 Cent. Ortb. (1879), pp. 70-71.— Bkuxer, Kei>. U. 8. Knt. Conim., Ill (1883), 

 p. 58. 



Vertex tumid, considerably elevated above the pronotum: iiiter- 

 si)ace between the eyes half as broad again as the basal antennal Joint, 

 the fastigium shallow, indistinct, broad, enlarging apically; frontal costa 

 broad, e(jual, Hat (male) or slightly tumid (female) above, sulcate 

 below; antennae three-fourths (male) or hardly two thirds (female) as 

 long as the hind femora. Pronotum sim]>le. scarcely enlarging on the 

 inetazona, the front border straight, the hind border roundly and 

 broadly angulate; median carina distinct though rather slight, equal; 

 lateral carinae scarcely perceptible: metazona faintly punctate; pro- 

 zona slightly hmgitudinal (male) or (piadrate (female), about a fourth 

 longer than the metazona. Prosternjil spine moderately long, cylin- 

 drical, blunt, erect; interspace between mesosternal lobes twice (male) 

 or almost twice (female) as long as broad; metasternal lobes attingent 

 (male) or approximate (female). Tegmina a little longer than head and 

 luoiioium together, tai)ering, the dorsal and lateral tields angularly 

 separate. Supiaanal i»late of male Triangular, longer than broad, 

 ])ointed, the sides straight : furcula consisting of a pair of approximate, 

 snndl, triangulai- teeth, the ti])s a little i)roduced; cerci forming on each 

 side a broad, semicircular, rounded Hap, the Tip])er side concave, the 

 lower convex, the tip rounded, the whole in (me i)lane ; subgenital plate 

 conical, longer than broad, the ti]) comj)ressed. 



The general color is a yellowish or cinereous brown above, a paler 

 brownish yellow below. The antennae are pale red, infuscated apically; 

 a very broad, straight, piceous belt, slightly larger behind than in 

 front, extends from behind the eyes across the prozona, its upper edge 



