LIST OF HOMOPTEROUS INSECTS. 197 



domen: legs tawny; claws black, tawny at the base; fore-thighs 

 aiTned 'with two rather large tawny teeth, one near the base, the 

 other near the tip ; spines of the hind-shanks pitchy : wings colour- 

 less, bright tawny at the base ; primitive areolet and fore-membrane 

 tawny ; flaps bright tawny at the base and for a space along the hind 

 border. Length of the body 11 lines; of the wings 30 lines. 



a. Mexico. Presented by E. P. Cofiiu, Esq. 



148. Cicada Elana, Mas. 



Nerims transverstis lus fere rectus, ohliquus, angulum suhacutum 

 jingeyis, 2o plus duplo ejus longiiudine divisus ; 2us fere 

 rectus, erectus, angulum subobtusum fingens, lomultb brevior ; 

 'Mis sub cur vus, fere erectus, angulum vix obtusum ftngens ; 4u.v 

 fere rectus, subobliquus, angulum rectum fingens, 3o multb 

 longior. 



Second marginal areolet longer ? than the first : first cross-vein 

 nearly straight, slanting, forming a slightly acute angle, parted 

 from the second by a little more than twice its length ; second nearly 

 straight, upright, forming a slightly obtuse angle, much shorter 

 than the first; third very slightly curved, nearly upright, forming a 

 hardly obtuse angle ; fourth almost straight, slightly slanting, form- 

 ing a right aiigle, much longer than the third ; fifth slightly curved, 

 upright, forming a slightly acute angle. In the right fore-wing of 

 the insect described the first marginal areolet is closed at some dis- 

 tance from the tip of the wing. Body black, slender, tawny be- 

 neath : head a little narrower than the fore-chest, pale tawny in front : 

 face tawny, very convex, slightly prominent ; furrows in front brown : 

 mouth tawny with a black tip, reaching the middle-hips : feelers 

 black: eyes prominent: fore-chest much narrower in front than be- 

 hind; scutcheon adorned with four tawny spots, two on the fore 

 border and two on the hind border; hind-scutcheon very narrow, 

 adorned with a black triangular middle spot, very much widened 

 and slightly angular at the base of each fore-wing, hardly excava- 

 ted on each side : scutcheon of the middle-chest adorned with two 

 slightly oblique tawny stripes which v^^iden from the fore border to 

 the cross-ridge, which is also tawny ; sides and hind border tawny, 

 the latter hardly excavated : abdomen obconical, very much longer 

 than the chest ; hind borders of the segments tawny ; horn pitchy : 

 drums tawny, extremely small, parted by a very narrow interval : 

 legs tawny ; thighs and" shanks adorned with pitchy streaks ; fore- 

 thighs armed with three long pitchy teeth: wings colourless ; fore 

 border pale tawnv, darker beyond the brand ; veins tawny, black 



s 3 



