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. 



n ? 



105. Cicada tristigma. 



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

 a — c. New Holland. 



106. Cicada nodosa, Fem. 



Nervm transversus \us rectus, valde obliquus, anguhim perohiu- 

 sum Jingens, 2o plus triplb ejus longitudine divisus ; '2usfere 

 rectus, valde obliquus, anguJum perobtusum Jingens, lo multb 

 longior ; 'Sus subundatus, obliquus, angulum acutum Jingens -, 

 4us curims, obliquus, angulum subacutum Jingens, 3o brevier. 



First cross-vein stiaight, 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, forming 

 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 



