122 ORTHOPTERA. 



e. Disc of the wings yellow or yellowish ; the dusky bands 



inconspicuous. 



/. Smaller: the body short and compact; tegmina and 



wings rather short; the former only sparsely 



mottled and with the dorsal edge pale, the latter 



with the disc pale yellow and the apex clouded . . 17. townsendi, sp. n. 



ff Larger : the body more elongate and not so stout ; 



tegmina and wings longer, the former profusely 



mottled and with the dorsal edge concolorous, the 



latter with greenish-yellow disc and hyaline apex . [18. aberrans, sp. n.] 



ee. Disc of the wings generally reddish (sometimes yellow) ; 



the dusty bands nearly always conspicuous. 



/. Apex of the wings, especially in the $ , more or less 



strongly suffused with fuscous, the disc scarlet or 



vermilion ; hind tibiae darker, inclining to dark 



brown in the ? [19. canora, Rehn.] 



ff Apex of the wings hyaline in both sexes, the disc 



yellow or brick-red; hind tibiae paler, usually 



greenish-yellow or bluish. 



g. Coloured costal margin of the wings narrower, the 



disc either opaque yellow or pale brick-red ; 



tegmina noticeably shorter ; hind femora dimly 



banded [20. arcta, Scudd.] 



gg. Coloured costal margin of the wings broader, the 



disc transparent brick-red ; tegmina longer ; hind 



femora very plainly fasciate. 



h. Dusky wing-bands rather conspicuous; pro- 



notum and head varied with lighter and darker 



shades; hind tibiae blue [21. pulchripennis, sp. n.] 



hh. Dusky wing-bands inconspicuous ; pronotum and 



head unicolorous ; hind tibiae greenish . . . [22. teporata, Scudd.] 

 cc. "Wing-band complete, attaining the costal margin. 



d. Disc of the wing very pale yellow, almost hyaline, the 

 fuscous band also dull and inconspicuous, the apex not 



separated from the band by a hyaline field 23. pallidipennis, sp. n. 



dd. Disc of the wings bright yellow, orange, or red, the 

 fuscous band conspicuous, the dusky apex usually 

 separated from the band by a hyaline field. 

 e. Disc of the wings yellow or orange, the dusky apex 

 separated from the fuliginous band by a hyaline 

 field. 

 /. Size large : the wing-band of unequal width, on the 

 anterior field narrower ; taenia narrow and reaching 

 about halfway to base 24. luteola, Scudd. 



