LIST OF HOMOPTEROUS INSECTS. 151 



c^9. Cicada Torrida, Mas. 



Nervus transversus lus subundatus, ohliquun^ angulum valde obtu- 

 sum fingcns, 2o fere triplb ejus lonyitudine divisits ; 2us cur- 

 vus, obUqutis, anyulum valde obtusum Jingens, \o brevior ; 

 ^us subimdatus, obliquus, angulum vix acutum fingens ; Aus 

 subciirvus, obliquus, angulum vix acutum fingens, 3o longior. 



First cross-vein slightly waved, slanting, forming a very obtuse 

 angle, parted from the second by near thrice its length ; second 

 curved, slanting, forming a very obtuse angle, shorter than the first ; 

 third very slightly waved, slanting, forming a hardly acute angle ; 

 fourth slightly curved, slanting, forming a hardly acute angle, longer 

 than the third ; fifth curved, nearly upright, forming a slightly acute 

 angle. Body tawny, partly clothed with pale down : head nearly as 

 broad as the fore-chest ; an interrupted black band on the crown ; 

 face convex, pitchy on each side, adorned with a yellow stripe : 

 mouth tawny with a black tip, reaching the hind-hips : eyes rather 

 prominent: feelers black : scutcheon of the fore-chest adorned with 

 two black stripes which are widened on the fore border and on the 

 hind border and converge towards the latter ; hind-scutcheon narrow 

 in the middle, widened and forming an obtuse angle at the base of 

 each fore-wing, not excavated on each side : scutcheon of the mid- 

 dle-chest adorned with four pitchy stripes which do not extend be- 

 yond half the length ; inner pair straight ; outer pair slanting ; hind 

 border slightly excavated : abdomen slightly obconical, longer than 

 the chest : opercula none; tymbals tawny ; drums small, pale tawny^: 

 legs tawny ; tips of the claws black ; fore-thighs armed with two 

 small tawny teeth : wings colourless ; primitive areolet tawny ; fore 

 border and veins tawny, black towards the tips ; fore-flaps pale 

 brown ; hind-flaps pale brown at the base and along the middle- 

 vein. Length of the body 9 lines ; of the wings 30 lines. 



a. British Guiana. From Sir R. Schomburghk's collection. 



b. Demerara. 



^ 90. Cicada ixvaria, Fern. 



Nervus transversus \ us valde curvus^suhundatus^ obliquus, angulum 

 acutum fingens. 2o quadruplo ejus longitudine divisus ; 2us 

 subundatus, obliquus, angulum oblusum fingens, lo multb 

 longior; 3us fere rectus, subobliquus, angulum rectum fin- 

 gens; 4us subundatus, obliquus, angulum subacutum fingens, 

 3o multb longior. 



Second marginal areolet a little more than half the length of 

 the first: first cross-vein much curved, slightly w^aved, slanting, 



