NO. 1333. NOTES ON ORTHOFTERA—CAVDELL. 799 



98. MELANOPLUS ATLANIS Riley. 



Calojih'iiKs (it/cniis Riley, Ann. Rept. Ins. Mo., VII, 1875, p. 109. 

 Thi.s species wa.s taken at various points in Colorado on both sides 

 of tlie divide. Specimens were also taken on the snnnnit of Pikes 

 • Peak on snow fields on July 20. The color of tlie posterior tibia' var}^ 

 from l)right red to yellow and 1)1 ue. 



I 99. MELANOPLUS BIVITTATUS Say. 



GryUiis hirittntKs S.\y, Journ. Acad. Nat. Sci. Philad., IV, 1825, ji. 308. 



Six males, twelve females, Denver July K); (lolden June 19 and 



August 21; Fort Collins August 10. 

 I A pair from Fort Collins is brachypterous, the wings covering t)ut 



little more than half of the abdomen. The male is (juite small, meas- 

 I uring as follows: 

 f Length, 22 mm.; elytra, 9 mm.; hind femora, 12 mm. 



100. MELANOPLUS BOWDITCHI Scudder. 

 I Melanoplui^ Ixitrditchi Scudder, Proc. Bost. Soc. Nat. Hist., XX, 1879, ]>. 72. 



Two males, six females, Fort Collins August 9; Salida August 0; 



also one male from Williams, Arizona. The Colorado specimens have 



the male furcula shaped considerabh" like those of Jf. jHcfu.'^ as illus- 



I trated on Plate XI of Scudder's Revision of the Melanopli. The speci- 



' men from Arizona has these organs more rounded out on the inner 



side than usual. Some specimens from Salida are in the collection of 



I the Colorado Ag-ricultural College labeled "bowditchi or n. sp.*' 



loi. MELANOPLUS COCCINEIPES Scudder. 



Melanoplus coccineipes Scudder, Proc. Amer. Phil. Soc, XXXVI, 1897, pp. 

 26, 34. 



Thirteen males and eleven females from Golden, Denver, and Fort 

 I Collins from July 11 to August 23. 



102. MELANOPLUS COLLINUS Scudder. 



Melanoplus eolllnns iicvDVBR, Proc. Bost. Soc. Nat. Hist., XIX, 1878, p. 285. 



One male specimen taken at Fort Collins August 1<>. This speci- 

 ' men is indistinguishable from specimens from Virginia and Canada. 

 It has not, I believe, been recorded from Colorado before. 



103. MELANOPLUS COLORADUS, new species. 



(Plate LV, Figs. 1, 1^'.) 



One male specimen from Palisade Jul}" 8. 



Of mediuDi size, testaceous, very closely i-elated to Jf. projiinquus 

 in general appearance. Head quite prominent, llavo-testaceous, darker 



