LIST OF HOMOPTEROUS INSECTS. 463 



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

 longitudinal veins numerous ; cross-veins ralher 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 2\ lines ; of the wings 9 lines. 



a. ? 



V t5 52. PCECILOPTERA PLANA. 



Flava ; caput breve; thorax carina Lus ; tarsi fidvi ; ales anticce 

 JIavce, apice suotruncatce, margine postico tuberculalce. 



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

 bordered by a lini ; front almost Hat, 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 strijies 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 side; 

 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 pale yellow, almost truncated at the tips which 

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

 tuberculated and slightly dilated towards the base ; veins tawny ; 

 longitudinal veins rather numerous; cross-veins very numerous, 

 irregular ; fore border sliyhtly 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. PCECILOPTEEA NIVIFERA, Fcm. 



Lutea ; abdomen cristatum ; pedes alho-jiavi ; tarsi fulvi; alee an- 

 ticce albidce, apice subtruncalce, margine postico tuberculatce ; 

 alcB posticcB alba. 



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

 middle-chest 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 slightly 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 



