LIST OF HOMOPTEROUS INSECTS. 191 



141. Cicada quadricincta, Mas. 



Nervus transversus liis subcurvus, oblirjuKs, angulum ohtusum 

 fingens, '2o plus duplo ejus longitudine divisus ; 2us subcur- 

 vus^ angulum valde obtusum fingens, \o obliquior et paulld 

 longior ; 3us subundatus, obliquns, angulum vix acutum fin- 

 gen ; 4m5 subundatiis, obliqiius^ angulum sub acutum fingcTis, 

 3o paulld longior. 



Second niavgiual areolet two-lhirds of the length of the first: 

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

 slightly ohtuse angle, parted from the second by much more than 

 thrice its length ; second slightly curved, slightly slanting, forming 

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

 waved, slanting, forming an acute angle ; fourth almost straight, 

 slightly slanting, forming a right angle, shorter than the third : 

 fifth slightly curved, nearly upright, forming a slightly obtuse an- 

 gle. Body black : head nearly as broad as tlie fore-chest, adorned 

 ■with a tawny spot on each side of the face which has a tawny dot 

 on its hind border, and is slightly convex and not at all prominent : 

 mouth black, reaching the middle-hips : feelers black ; eyes hardly 

 prominent : fore-chest much broader than long ; scutcheon adorned 

 with two tawny spots in front and with one near each side which is 

 pale tawny : hind-scutcheon narrow above, broader and rounded 

 near the base of each fore-wing, straight on each side, ferruginous 

 along the hind border: scutchaon of the middle-chest adorned with 

 two oblique ferruginous stripes on each side ; hind border slightly 

 excavated : abdomen pitchy, obconical, not longer than the chest ; 

 hind borders of the segments adorned with ferruginous and green 

 bands ; a tawny stripe on each side ])eneath : opercula none ; tym- 

 bals dingy white with black bands ; drums rather large, almost 

 white, more than one-third of the length of the abdomen^ parted by 

 a narrow space : legs tawny ; thighs and shanks striped Avith black : 

 feet and fore-shanks black: wings colourless; fore border ferrugi- 

 nous for near two-thirds of its length, and thence black for a short 

 space; veins ferruginous, black towards the tips ; fore-flaps whitish; 

 hind-flaps colourless, white with blackish disks for a space along 

 the hind border IVom the base. Length of the body 7 lines ; of the 

 wings 18 lines. 



a. New Holland. Presented by Capt. Grey. 



