LIST OF HOMOPTEROUS INSECTS. 115 



extremely obtuse angle, parted from the second by more than twice 

 its length ; second slightly curved, very slanting, forming an ex- 

 tremely obtuse angle, a little longer than the first ; third slightly 

 waved, slanting, forming a slightly acute angle ; fourth nearly 

 straight, forming a right angle, a little shorter and less slanting 

 than the third ; fifth very slightly curved, nearly upright, forming 

 a hardly obtuse angle. Body black : head a little narrower than 

 the fore-chest ; crown adorned with three red spots, one on the hind 

 border, and one on each side ; face slightly convex, red with the 

 exception of two black stripes which send forth black bands on each 

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

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

 adorned with a tawny middle stripe, and on each side with three 

 broad red stripes ; middle one interrupted ; hind-scutcheon tawny, 

 narrow in the middle, widened, tinged with black and almost an- 

 gular at the base of each fore-wing, excavated on each side : scut- 

 cheon of the middle-chest pale red, adorned with three very broad 

 black obconical stripes, the middle one shorter and broader than the 

 side pair, united at the lip to a black spot near the cross-ridge : hind 

 border very slightly excavated : abdomen obconical, a little longer 

 than the chest, adorned with a black stripe, a little black about the 

 base beneath: oviduct pitchy; legs tawny ; hips, thighs and fore- 

 shanks striped with black ; tips of the shanks, of the feet and of the 

 claws black; fore-feet black ; fore-thighs armed with three long tawny 

 teeth : wings slightly tinged with tawny ; fore border pale red, pitchy 

 toward the tip; veins black; first and second cross-veins and the 

 longitudinal vein between them clouded with very dark brown. 

 Length of the body 10 lines ; of the wings 32 lines. 



a. New Holland. Presented by the Haslar Hospital. 



21. Cicada ferrifera, Mas et Fem. 



Nervus transversus \us subcurnts, obliguits, angulnm ohtusum fin- 

 gens, 2o quadrupld ejus lomjitudine divisus ; 2us subcurvus, 

 fere erectus^ amjulum snbobtiisumfinyens^ \o paullb brevior ; 

 3tw fere rectus, obliquus, anyulum subacufum fingens ; 4us 

 fere rectus, obliquus, unguium vix acutum fingens, oo longior. 



Second marginal areolet five-sixths of the length of the first : 

 first cross-vein very slightly curved, slanting, forming an obtuse an- 

 gle, parted from the second by full four times its length ; second 

 very slightly curved, nearly upright, forming a slightly obtuse angle, 

 a little shorter than the first ; third nearly straight, slanting, form- 

 ing a slightly acute angle ; fourth nearly straight, slanting, forming 



