LIST OF HOMOPTEROUS INSECTS. 103 



flaps tawny at the base, slit^htly clouded with brown along the fore 

 bonier. Length of the body 23 lines ; of the wings 68 lines. 



a. Java. From Mr. Argent's collection. 



^. Cicada triupsilon, Mas. 



Nervus transversus lus subcurvus. valde ohliqvus, angulum peroi- 

 tusum fingens, 2o fere quinquics ejus lonf/ihidine divisus ; 

 2us subcurvus, angulum perobtusum Jingens, ]o longior ct 

 ohliquior ; 3m5 subcurvus, subobliquus, angulum rectum fir:,- 

 gens ; Aus suhundatus, obliquus, angulum subacutum fingeiit, 

 3o multb longior. 



Second marginal areolet more than two-thirds of the length of 

 the first : first cross-vein very slightly curved, very slanting, forming 

 an extremely obtuse angle, parted from the second by nearly five times 

 its length ; second very slisihtly curved, forming an extremely ob- 

 tuse angle, longer and more slanting than the first ; third very slightly 

 curved, slightly slanting, forming a right angle ; fourth slightly 

 waved, slanting, forming a slightly acute angle, much longer than 

 the third ; fifth curved, nearly upright, forming an acute angle. 

 Body ferruginous : head a little narrower than the fore-chest ; crov/u 

 adorned with an irregular black band ; hind border black ; face con- 

 vex, rather prominent, blackish above and on each side in front: 

 mouth ferruginous with a black tip, extending to the hind-hips : 

 eyes not prominent : feelers black : scutcheon of the fore-chest black 

 along the border and on the furrows ; hind-scutcheon finely fur- 

 rowed, much widened on each side and forming a very obtuse black 

 angle whose fore side is very slightly concave and its hind side 

 equally convex : scutcheon of the middle-chest adorned with seven 

 black stripes; the three on each side slightly curved, almost concen- 

 tric ; the middle pair widened in front and united behind ; hind 

 border rather deeply excavated : abdomen nearly oval, longer than 

 the chest, clothed with silky yellow down, paler beneath ; most of 

 the segments adorned with a black band along the fore border : oper- 

 cula none ; tymbals whitish with pitchy marks; drums tawny, small, 

 far apart: legs dark tawny ; thighs streaked with black; fore-feet, 

 middle-feet and tips of the shanks black ; fore-thighs armed with 

 three tawny teeth, whose tips are black, of these two are long and 

 one is short : wings colourless, tawny and partly black at the base, 

 ferruginous along the fore border, slightly tinged with brown at the 

 tips ; first and second cross-veins clouded with dark brown, of which 

 there is a slight tinge at the fore end of the third ; veins black ; flaps 



