LIST OF HOMOPTEROUS INSECTS. 107 



obtuse angle, parted from the second by more than five times its 

 length ; second slightly curved, very slanting, forming an extremely 

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

 slightly slanting, forming a right angle ; fourth slightly waved, slant- 

 ing, forming a slightly acute angle, much longer than the third; 

 fifth curved, upright, forming a nearly right angle. Body tawny : 

 head a little narrower than the fore-chest; crown adorned with an 

 irregular and much curved black band ; face very convex, with a 

 row of Mack bands on each side : eyes very prominent : mouth tawny 

 with a black tip reaching the hind-hips ; feelers tawny, pitchy to- 

 wards the base ; a short black band on the fore border of the fore- 

 chest and another on the hind border, and between them two short 

 slanting black stripes; hind-scutcheon pale tawny, tinged with 

 green, widened, waved and partly edged with black on each side: 

 middle-chest adorned with seven slender black stripes, the three 

 pairs slanting, the middle one linear, widened at the tip ; hind bor- 

 der much excavated : abdomen nearly elliptical, longer and broader 

 than the chest; fore borders of the segments black ; a black spot on 

 the first segment: legs tawny, slightly marked with black; fore- 

 thighs armed with three teeth, two large and one small : wings colour- 

 less, their tips slightly clouded with brown ; veins tawny, darker to- 

 wards the tips ; first and second cross-veins clouded with brown ; 

 flaps yellow towards the base. Length of the body 22 lines ; of the 

 wings 62 lines. 



a. West Coast of America. Presented by Capt. Kellett and Lieut, 

 Wood. 



8. Cicada vibrans, Mas et Fern. 



Nervus transversus liis subcurvus, obliquus, angulum valde ohtu- 

 sumjingens^ 2o qiiadrnplb ejus longitiidine divisns ; 2ns sttb- 

 cnrvus, obliquiis, angulum valde obtusion Jlngens, \i longitu- 

 diiie ; 3«s subundaf.us, obliquvs, angulum vix acutumjingens ; 

 Aus undatus, obliquus, angulum vix acutumjingens, 3o lon- 

 gior. 

 Second marginal areolet full three-fourths of the lentith of the 

 first: first cross-vein slightly curved, slanting, forming a very obtuse 

 angle, parted from the second l)y four times its length ; second 

 slightly curved, slanting, forming a very obtuse angle, as long as 

 the first ; third slightly waved, slanting, forming a hardly acute an- 

 gle ; fourth waved, slanting, forming a hardly acute angle, longer 

 than the third ; fifth curved, nearly upright, forming a hardly acute 

 angle. Body tawny : head a little narrower than the fore-chest ; 



