34f^ VliOCEEIHMiS OF THE XATIOSAL MTSECM. vouxx. 



snhjjenital plate broad, fully as broad ;is loiij;, tiie apical iiiaij,nn 

 abruptly 8liglitly and et|iia]ly ''levated, entire, the whole margin of the 

 plate as seen from above sabcjuadrate. 



Lengtli of body, male, 11) mm., female, 27 mm.; iintennae, male, s..~» 

 mm., female, 1).5 mm.; te^mina, male, 14 mm., female, 17 mm.; hind 

 femora, male, 10.7') mm., female, 13.5 mm. 



Sixteen males, 17 females. Dallas V ounty, Iowa, August 8-10, J. A. 

 Allen; P^rooktield, Linn County. Missnirl, H. P. Austin; Williams- 

 viUe, Wayne County, Missouri, S. W. Denton (A.P.Morse); Nebraska, 

 D«>dge(U.S.N.M.—hiley collection; S. H.Scudder); West Point, Cum 

 ing County, Nebraska, August (1T.8.N.M. — Riley collection; L. Bruneri ; 

 Sidney, Cheyenne County, Nebraska, August (L. liruner); Fort Robin- 

 son, Dawes County, Nebraska, August (same); Dakota (U.S.N.M.— 

 Riley collection); Colorado, Morrisou (S. Hensbaw); Wyoming, Mor 

 rison (U.S.N.M. — Riley collection); Mason Valley, Esmeralda County. 

 Nevada, June 30, A. S. Richardson (same): Kaston, Kittitas County, 

 Washington (same). 



It is also reported from the vicinity of St. Louis, Missouri (Riley i, 

 ^^no and P>arber counties. Kansas ( Bruner), and the Yellowstone region, 

 Montana (Bruner). 



iig. MELANOPLUS COLLINUS. 

 (Plate XXIII. tifr. ♦>.) 



Melanoplus colUnii8 ScrDDKu!, rroc. Host. Soo. Nat. Hist., XIX (1878), p. 2H.5; 

 p:nt. N(»t«'s, VI (187h), p. 44.- Bwuner, Hep. V. S. Eiit. Comra., Ill (18HH). p. 

 60.— Ferxald, Orth. X. Kugl. (188S), pp. 31, 32; \nn. Rep. Mass. Agric. 

 ("oil., XXV a88S), pp. 11."). 116.— .^MiTir, Cat. Ins. N. .J. (1890), p. 413.— 

 Dams, Ent. Amer., V (1«80), p. 81.— liLATi hi.ey!, Cau. Ent., XXIII (1891), 

 p. 99.— McNeill!. Psyche. VI (1891), p. 74.— Smith, Hull. X. .1. Exp. St, 

 XV (1892), p. .34.— Bruner, Pnbl. Nebr. Acad. Sc, III (1893), p. 28.— .Mohsk ', 

 Psyche, VI (1893), p. 406; ibid., VII (1894), p. 53.— Blat< hl.':y !, Cau. Ent., 

 XXVI (1894), p. 244.— BELTEXMiLLER, Bull. Am. Mus. Nat. Hist., VI (1894), 

 pp. 306-307. 



Medium or rather small sized, dark brownish fuscous, beneath more 

 or less i)ale lemon yellow. Head not prominent but rather large, tiie 

 face and genae mottled with brownish l)url^le and faint purplish white, 

 the latter .sometimes supplanted by an olivaceous tint, the summit with 

 fuscous or puiplish longitudinal streaks and a black postocular hand 

 edged ab«'"^ by i)urplish or yellowish; vertex rather tumid, distinctly 

 elevated above the pronotuui. the interspace between the eyes slightly 

 broader than (male) or about half as broad again as (female) the first 

 antennal joint; fastigium steeply declivent, shallowly sulcate, broaden 

 ing considerably in front; frontal costa just failing to reach the clypeus, 

 equal, of the same breadth as the interspace between the eyes, depressed 

 at and generally sulcate below the ocellus, punctate throughout, biseri 

 ately above; eyes moderately large, moderately prominent, a little 

 longer than the infraocular portion of the genae, mottled with faintly 

 purplish black and faintly pur[)lish white; antennae ferruginous grow- 



