LIST OF HOMOPTEROUS INSECTS. 463 



borders, the latter are tuberculated towards the base ; veins tawny ; 

 longitudinal veins numerous ; cross-veins rather numerous in the 

 disk ; fore border convex, along it a row of oblique parallel cross- 

 veins of nearly eqnal length : hind-wings colourless. Length of 

 the body 2j lines ; of the wings 9 lines. 

 a. ? 



52. PCECILOPTEEA PLANA. 



Flava ; caput breve ; thorax carinatus ; tarsi fulvi ; alcB anticce 

 Jlava, apice subiruneates, manjine postico tuherculalce. 



Body yellow : head short ; crown very short, much arched, 

 bordered by a rim ; front almost flat, broader towards the epistoma, 

 bordered by a rim, much longer than broad, hardly concave where it 

 joins the epistoma, with a middle ridge which extends along three- 

 fourths of the length from the crown ; epistoma with oblique ferru- 

 ginous stripes on each side: fore-chest conical, bordered in front 

 by a rim, with a middle ridge, sliglitly concave along the hind 

 border, its length in the middle about thrice of that on each sidet 

 middle-chest full thrice the length of the fore-chest, with a very slight 

 middle ridge: abdomen wanting: legs yellow; feet tawny: wings 

 broad : fore-wings })ale yellow, almost truncated at the tips which 

 form slightly obtuse angles with the hind borders, the latter are 

 tuberculated ami slightly dilated towards the base; veins tawny; 

 longitudinal veins rather numerous; cross-veins very numerous, 

 irregular ; fore border slightly convex, along it a row of oblique 

 parallel cross-veins which slightly decrease in length towards the tip. 

 Length of the body 3^ lines; of the wings 13 lines. 



a. ? 



53. P(ECILOPTERA NIVIFERA, Fem. 



Lutea ; abdomen cristatum ; pedes albo-fiavi ; tarsi fulvi ; ala- an- 

 ticcB albida, apice subirtincatce, margine postico tuberculatce ; 

 ahc posticce albce. 



Body luteous : head wanting : fore-chest short, low, arched : 

 niiddle-ehest more than four times the length of the fore-chest, with 

 a pale stripe on each side : abdomen paler and a little longer than 

 the chest, obconical, crested : legs yellowish white ; feet tawny : 

 wings broad : fore-wings whitish, almost truncated at the tips which 

 form a shghtly obtuse and somewhat rounded angle with the hind 

 borders, the latter is tuberculated and slightly dilated towards the 

 base ; veins tawny ; longitudinal veins numerous ; cross-veins rather 



