582 MONOGRAPH OF THE AUSTRALIAN CICADID.E, 



and an oval stripe near lateral borders, lemon yellow; cruciform 

 deviation ferruginous, covered with long white hairs. Tegrnina 

 vitreous, costa broad, dilated towards base, basal third lemon 

 yellow, thereafter castaneous; veins surrounding apical areas 

 lightly infuscated; exterior and interior borders of clavus yellow, 

 veins otherwise including basal area and basal membranes, fus- 

 cous. Wings with base and posterior border fuscous, veins other- 

 wise yellow. Abdomen black, covered with golden and white 

 hairs, a spot on each side of anal appendage yellow. BodyheXow: 

 chest castaneous, streaked with lemon yellow, very hairy. Ab- 

 domen lemon yellow, a broad median stripe, and lateral borders, 

 fuscous, hairy. Coxae, and streaks on femora, lemon yellow. 

 Long, corp, 35 mm.; lat. 15 mm.; exp. teg. 106 mm. 



Hah. — King's Sound, N.W.A.; two females in the Macleay 

 Museum (collected by Froggatt, 1887). 



^Cicada sylvasella, sp.nov. 



Head produced in front, pale green, with numerous dark green 

 lines; five small spots on hind border, spot occupied with ocelli 

 ■emitting a short band on each side, black; front convex, very 

 prominent, yellow, a broad stripe on each side of middle diverging 

 towards apex; clypeus yellow, rostrum ferruginous, tip black, 

 reaching behind coxae; eyes sessile. Fronotum pale green, front 

 border, furrows anteriorly, and hind border infuscated; posterior 

 edge black. Mesonotuin pale green, four excavated obconical 

 stripes, the outer pair longer, a transverse band and two dots in 

 front of and a transverse band on each side of cruciform eleva- 

 tion, with lateral borders fuscous. Tegmina vitreous, costa green, 

 darker towards apex; veins reddish toward base, black toward 

 tip, posterior border of clavus black, basal membranes yellow. 

 Wings with venation on basal portion yellow, darker towards 

 apex, basal half of posterior border and anterior border of anal 

 area infuscated. Abdomen yellow, tympanal covers greenish, 

 base of segments, except the last, broadly black, the black 

 encroaching on the yellow narrowly on dorsum, the last segment 

 broadly yellow, base of anal appendage yellow with three black 



