>o.u84. Rf:nsi(f.\ OF Tin: .\n:LA\nrLi-scrinn-:ji. c,\ 



of iniinitf rounded lobes, separated by nbont their own width: eerel 

 >iinple, siibi'oiiii'al. taperinj; a very little, more rapidly in tin' proximal 

 tiian in distal halt', .snbacutely pointed, as lon^^ as the Bii|)i'aanal plate 

 ;tiid feeldy incurved: inlra<*ereal jdates not very broad, as lonjf as the 

 supraamil plate, ('»»nii)letely concealed by the recinnbent <!erci. 



Len;rth of b<Mly, male, !.">.'> nu.i., teimile, lM>.."i mm.: antennae, nnile, 

 female. 7 mm.: te^mina. male, 12 mm., female, l.'t mm.: hind femora, 

 male, 9.1 mm., female, 11 mm. 



Sixty-six males, r»S females. Salt Lake N'alley, I'tah, 4,.3(M> feet, 'hdy 

 L'»;. Aujrnst 1-4 (S. H. Seudder; r.8.N..M. |No. 70.S|); Amerij-an Fork 

 ('ufinn. I tali.*.>.."iOOteet, Au^Mist l*-,*{; i'rovo, Utah, Aupisr L'.i-LM : Spring 

 L;ike \illa, Ttah County, I'tah, August 1-t. K. Talmer: I.os Any:eles 

 County, ('alitbrnia,('o«iuillett (C.S.N.M. (No. 70S|. — Hiley eolleetion). 



The speeies has previously been reported (umb'r another name) from 

 J.ake Point, Salt Lake and Salt Lake X'alley (S<'udd«'rj, .Mount Nebu 

 and Sprinjj Lake, Ctah (Thomas ), and Ctah (Lruner). 



The e(uitrasts of eolorinj^s in this speeies remler it a more variej;ated 

 insect than any of the other speeies of the ;jenus, particularly when the 

 hutV colors are deepest and bring out the black and white with greateat 

 vivi<lnes8. 



4. HESPEROTETTIX PACIFICUS, new species. 



(Plate V, tig. 1.) 



TTeHpcrotettix pacificus Biuxer!. MS.— Kokhei.k I, null. Div. Eiit. T'. S. Pep. 

 Aj;ri... XXII (189<)), p. 1>4.— mxlesmlted. 



Body feebly but not brietly pilose; general color dark brownish tes- 

 taceous, fre<|uently tinged more or less with obvaceous. Head sparsely 

 punctate, with a variable broad black bar below the eyes, sometimes 

 reduced to a V-shaped spot and in greener specimens dark olivaceous; 

 a similar broad dark stripe behind the eyes, and the summit generally 

 with a mediodorsal black stripe, sometimes having a median light thread 

 tliiough it; fastigium generally sulcate, sometimes reduced to a pit in 

 tront of the eyes; frontal costa eqnal, about as wide as the space 

 between the eyes, more or less feebly sulcate; antennae testaceous, 

 liciierally darker apically and sometimes pallid l)asally, al>out as h)ng 

 a- female) or much longer than (male) the head and pronotuni together. 

 I'lonotum scarcely enlarged from in front backward, lounded tectiform, 

 with the bluntest possible median carina, the prozona smooth or very 

 tceldy and Sparsely punctate, the metazona about two thirds as long 

 IS the i)rozona and punctate, the hind margin very obtusely angulate, 

 I lie angle broadly rounded; there is a slender pallid or testaceous 

 iiifdiau strii)e, more distinct on the prozona than on the metazona, on 

 tlif former and occasionally on tlie latter margined, generally narrowly, 



th black; on the upper part of the lateral lobes of the prozona is a 

 n>;id black band, often obscure and on greenish specimens sometimes 



solete, and where most pronounced bordered broadly below aud uar- 



W 1 



iM) 



. 



