margin depressed, brown, spotted with yellow; epistonia very acutely 

 triangular, hrowu, the margins and middle carina yellow ; rostrum 

 reaching to the middle coxis, the sujierior cheeks a little brown. Pro- 

 notum shorter than the central plate of the front, a little embrowned, 

 covered with coarse punctures set into annular orbits, the anterior 

 margin slightly carinated, feebly waved each side of the middle; meso- 

 notum pale brown, almost smooth on the disk, and on each side densely 

 packed ^Yitll prominent papillie having punctured centers ; pectus pale 

 yellow, with the disks of some of the superior pieces brownish. Legs 

 pale yellow, the femora and cox?e a little washed with brown, the tips of 

 the spines piceous. Hemelytra pale yellowish translucent, a little 

 dusky at tip, the nervures clearer yellow, stout, with about two series of 

 large, irregular areoles at tip, and with three costal cross-veins behind 

 the tip; wings yellowish, with very slender nervules. Abdomen dark 

 brown, the segments margined behind and on each side with ochreous; 

 the tergum in one specimen having yellow dots with ochreous centers. 



Length to tip of hemelytra, 4 millimeters. Width of pronotum, IJ 

 millimeters. 



Inhabits Dakota. Collected by Mr. Eothauer. 



Family TETTIGOXID.E. 



PrxOCONiA, St. Farg. & Serv. 

 P. costalis. 



TMlgonia costalis, Fab., Eat. Syst. suppl. 516, Nos. 22-23 ; Signoret, Anu. Soc. 



Eut. France,' 3d ser. ii, 359, pi. 12, fig. 8; Fab., Syst. Rhyng. 39, No. 34. 

 Cercopis marginella, Fab., Syst. Ehyng. 96, No. 44. 

 Cercopis lateralis, Fab., Ent. Syst. suppl. 524, No. 24 ; Coquebert, Illustr. i, 35, tab. 



9, fig. 3. 

 Tettigonia lugens, Walker, British Mns. Cat. Homopt. iii, 775, No. 108. 

 Tettigonia pyrrhotelus, AValker, 1. c. iii, 775, No. 109. 



Inhabits the Atlantic region from Canada to Florida, and in the 

 West it occurs in Washington Territory, Oregon, British Columbia, 

 Colorado, Arizona, and California. It occurs also in Mexico, Texas, and 

 Central America. 



A variety from the Southern States is black, and there is some varia- 

 tion noticeable in the depth and intensity of the red ground-color and 

 in the yellow lateral stripe. 



AuLACiZES, Amyot & Serv. 

 A. irrorata. 



Cicada irromta, Fab., Eut. Syst. iv, 33, No. 24; Syst. Rhyug. 62, No. 6 ; Coque- 

 bert, Illustr. i, 32, tab. 8, fig. 4. 

 Tettigonia irrorata, Siguoret, Auu. Soc. Eut. France, ser. 3, iii, 59, pi. 6, fig. 14. 



Inhabits Texas, Georgia, Florida, Louisiana, Arkansas, Maryland, 

 Pennsylvania, and New Jersey. 



DiEDKOCEPHALA, Spin. 



1. D. coccinea. 



Cicada coccinea, Forster, Nov. Species Insect. 69. 



Tettigonia quadrivittata. Say, Journ. Acad. Pbila. vi, 312, No. 3. 



Proconia quadrivittata, Fitch, Catal. of Ins. of N. Y. State Cabinet, 55. 



Inhabits Texas, Indian Territory, the States east of the Mississippi 

 Eiver, Canada, &c. 

 It varies much in size and color; some specimens being even almost 



