78 LIST OF HOMOPTEROUS INSECTS. 
Tawny. Vertex concave, a little narrower in front, much 
longer than broad; front and face forming a fusiform compartment, 
with a distinct keel and with elevated borders. Eyes prominent. 
Prothorax very short. Mesothorax with five distinct keels. Wings 
vitreous; veins testaceous. Fore wings with a pale brownish 
stigma ; veinlets somewhat irregular.’ Length of the body 2} lines; 
of the wings 7 lines. 
a. Santarem. From Mr, Bates’ collection. 
CIxIUs CITRINUS. 
Pallide citrinus ; vertee minimus ; frons subcarinata, marginibus 
elevatis; oculi extantes ; prothoraw brevissimus ; mesothorax 
planus ; ale antice subhyaline, strigis quingue costalibus 
obliquis nigris, fascia interiore margineque ewteriore fuscis, 
maculis exterioribus albis, guttis marginalibus nigris; postice 
vilree. 
Pale lemon-yellow. Vertex very small; front with the borders 
very highly elevated between the eyes, and with a slight middle 
keel. Eyes prominent. Prothorax very short. Mesothorax flat. 
Fore wings nearly hyaline, with five black oblique costal streaks; 
the second streak joining the fore end of a brown band, which 
extends to the hind border; the fourth and fifth streaks enclosing 
part of a row of white spots; exterior border brown, with a few 
black dots; transverse veinlets forming two irregular lines, the inte- 
rior one incomplete. Hind wings vitreous. Length of the body 2 
lines ; of the wings 6 lines. 
a. Santarem. From Mr. Bates’ collection. 
Africa. 
CIxIUs DIVIDENS. 
Niger; capitis thoracisque segmenta testaceo marginata; verlex 
concavus, perangustus ; frons subplana, carina lestacea ; oculi 
magni ; prothorax arcuatus, apud medium brevissimus ; meso- 
thorax quinque carinatus ; ahdeininis segmentu testaceo mar- 
ginata; femora nigra, testaceo lineata; ale vilrew, venis 
nigris ; antice stigmate nigro linea transversa alba diviso. 
