NO. 1124. REVISION OF THE MELAXOPLI—SdnDEIt. 225 



(feinal**). Tej,niiiiia short, sublanct'olate, lateral, shorter than the pro- 

 notiim, the tip rounded, subanguhite, brownish fuscous, blackish at 

 the base of the discoidal area. Hind femora i)allid testaceous, very 

 transversely and narrowly bifasciate with blackish fuscous, the inferi<»r 

 face and lower half of interior face roseate and unbroken, the fjenicu- 

 lation black; hind tibiae red, the sjiines Idack almost or quite to the 

 base, nine to ten in number in the outer series. Alxlomen sordid pale 

 testaceous, heavily overlaid or blotched with bhu^kish fuscous, the 

 extremity in the male feebly clavate, a little ui)turned, the supraanal 

 l»late triangular, with convex sides, rectanjiuhir apex, the mesial rejjiou 

 broadly elevated in more than the basal half and with a me<lian closed 

 sulcus of considerable depth, the sides of tiie plate also basally elevated, 

 so that two lateral valleys are formed with synclinal sides; furcula 

 consisting? of a pair of slender, a little divergent, tapering, acuminate 

 spines, crossing the basal third of the sui)raanal plate; cerci rather 

 small, rapidly tapering in the basal half by the excision of the upper 

 margin (nnich more rapidly than shown in the tigure),bey(Mi(l subeipial 

 and arcuate, being a little upturne<l, narrowed and well rounded 

 apically, not at all incurved, as long as the sui)raanal i)late; subg«'nital 

 plate small, much longer than broad, not at all i)roduced ai)ically and 

 elevated only at extreme tip and slightly, the apical margin well 

 rounded, entire. 



Length of body, male, 17..") mm., female, 122 mm.: antennae, male, 

 7..") mm., female, (1.5 mm.; tegmina, male and female, 3.2.") mm.; hind 

 femora, male, 0.1 mm., female, 11.75 mm. 



One male, 1 female. Soldier, Logan County, Idaho (L. liruner). 



49. MELANOPLUS NIGRESCENS. 



(Plate XV, fig. 4.) 



^ Pezoiettix zimmermanui ^^AlssrHK. Rev. Mag. Zool., 18<U (1861), p. ir)9; Ortli. 



Nov. Anier., II (18H1 ), p. 9.— Thomas, Kep. V. S. (Jeol. Suiv. Ten., V (l»7:f), 



1». 150.— liituxKR, Kep. r. S. Ent. Comm., Ill (l^SS). p. 59. 

 ? rodisma :inimermanni Walkek, Cat. Derm. Salt. Hiit. Mn.s., IV (1870), p. Tis. 

 Caloptcnufi ttlgresaus Scuddrr!, Proc. Bost. 8oc. Xat. Hist , XIX (1877), p. 27 ; 



Ent. Notes, VI (1878), p. 5: Cent. Ortb. (1879), ]». 44. 

 Pecotettix nif/reHcens Scuddek!, Can. Knt., XII (1S«()). p. 7.5. 

 Mehmoplus nvjresctus SriDOKH, Ct-nt. Orth. (1879), p. ^1. — HRrxKR, Rep. I'. S. 



Ent. Comm., Ill (18?<3), p. til. 



Dull wood-brown, the sides and tegmina marked with black. Anten- 

 nae reddish brown, a little infuscated at the tip; front of hea<l more or 

 less infuscated, the upper border of the eye margined by a pale yellow- 

 ish stripe, followed interiorly behind the eye by a more or less distinct, 

 broad, blackish belt, which extends upon the pronotum, where itinfus- 

 cates the upper third of the lateral lobes, especially anteriorly, and 

 deepens to black next the lateral carinae; metatlioracic epimera yellow 

 ish or pale yellowish brown, edged on either side with black. xVial 

 Proc. N. M. vol. XX 15 



