162 LIST OF HOMOPTEROUS INSECTS. 



an obtuse angle. Body ferruginous, tawny beneath : head tawny, 

 region of the eyelets pitchy ; a pitchy mark on each side of the 

 front ; a black stripe on the face which is very convex and some- 

 what prominent : eyes prominent : mouth tawny with a black tip, 

 reaching the middle-hips: feelers black: fore-chest not broader than 

 the head, adorned with a tawny stripe ; furrows somewhat tawny ; 

 sides widened by the base of the fore-wings, straight elsewhere ; hind- 

 scutcheon narrow above, broader and tawny on each side: scut- 

 cheon of the middle-chest adorned with six imperfect stripes, the 

 middle pair straight, the other four slightly oblique ; hind border 

 hardly excavated : abdomen obconical, much longer than the chest, 

 very tapering towards the tip, adorned with a tawny spot on each 

 side near the base, pitchy beneath towards the tip : oviduct pitchy : 

 legs tawny ; claws black ; fore-thighs armed with three black teeth, 

 two large and one small ; wings and flaps brownish tawny, brown 

 at the base and along the fore border of the fore-wings ; veins black, 

 brown at the base ; flaps brown along the fore border. Length of 

 the body 10 lines ; of the wings 26 lines. 



a. 



O\05. Cicada tristigma. 



Cicada tristigma. Germ. Silh. Rev. Ent. ii. 69, 33. 

 a — e. New Holland. 



^1.06. Cicada nodosa, Fern. 



Nervus transversus lus rectus, valde obliquus, angulum perohiu- 

 suin fingens, 2o plus triplb ejus longitudine divisus ; 2us fere 

 rectus, valde ohliqiius, angulum -perohtvisum fingens, \o multo 

 longior ; 3ms subundatus, obliquus, angulum acutum jingens ; 

 4ms curvus, obliquus, angulum subacutum Jingens, 3o brevior. 



First cross-vein straight, very slanting, forming an obtuse an- 

 gle, parted from the second by more than thrice its length ; second 

 nearly straight, very slanting, forming an extremely obtuse angle, 

 much longer than the first ; third slightly waved, slanting, fonning 

 an acute angle ; fourth curved, slanting, forming a slightly acute 

 angle, shorter than the third ; fifth slightly curved, nearly upright, 

 forming a nearly right angle. In the insect described, an additional 

 cross-vein divides in the right wing the first marginal areolet, and in 

 the left wing the second marginal areolet. Body tawny, almost hair- 

 less : head a little narrower than the fore-chest, adorned with a 



