LIST OF IIOMOl'TEROUS INSECTS. 109 



aimed with three tawny teeth : wings colourless ; veins tawny, 



darker towards the tips ; cross-veins from tlie first to the fourth 



clouded with brown ; primitive areolet pitcliy ; fla])s yellow towards 



the base. Length of the body 17 — 20 lines; of the wings 44 — 4fe 



lines. 



a, b. ? 



10. Cicada plaga, Mas et Fein. 



Nervus transversus lus fer^ rectus, valde nbliquus, angulum perob- 

 luswnfingens, 2n jthis dupll) ejus longitudine diinsus ; 2us sub- 

 curvus, valde obliquus, angulum pcrobtusumjingens, lopaulld 

 longior ; Zvs undattis, obliquus, angulum aculum Jingens ,• 4us 

 subundatus, obliquus, angulum acutum Jingens, 3o paullb lon- 

 gior. 

 Second marginal areolet about five-sixths of the length of the 

 first : first cross-vein almost straight, very slanting, forming an ex- 

 tremely obtuse angle, parted from the second by much more than 

 twice its length ; second slightly curved, very slanting, forming an 

 extremely obtuse angle, a little longer than the first; third waved, 

 slanting, forming an acute angle ; fourth slightly waved, slanting, 

 forming an acute angle, a little longer than the third ; fifth curved, 

 upright, forming a hardly acute angle. Body ferruginous above, 

 tawny beneath ; head a little broader than the fore-chest ; a broad 

 black band on the crown which is sometimes quite black ; face con- 

 vex, adorned with black bands or quite black: eyes prominent: mouth 

 tawny with a black tip, extending beyond the middle-hips : scutcheon 

 of the fore-chest adorned witli black marks which prevail most in the 

 male; hind-scutcheon broad, furrowed across, rounded and slightly 

 widened on each side, darker in the male than in the female, as is 

 also the rest of the body : middle-chest of the male mostly black, 

 of the female adorned wilh four broad obconical black stripes ; hind 

 border slightly excavated : abdomen of the male mostly black above, 

 longer than that of the female ; third segment adorned on each side 

 with a large patch of whitish shining down : legs tawny ; fore-feet, 

 fore-shanks and middle-shanks mostly black ; fore-thighs armed be- 

 neath with three teeth : wings colourless ; fore border black ; veins 

 black, ferruginous towards the base ; first and second cross-veins 

 clouded with brown ; primitive areolet ferruginous ; fore-flaps gray ; 

 hiiul-Haps brown at the base. Length of the body 14 — 18 lines; 

 of the wings 44 — 50 lines. 

 a—c. New Holland. 



