LIST OF HOMOPTEROUS INSECTS. 27 
of the prothorax narrow, very slightly dilated on each side. Meso- 
thorax hardly excavated on the hind border. Drums large; no 
dorsal opercula ; ventral opercula tawny, of moderate size. Wings 
vitreous; veins piceous. Fore wings acuminated, very slightly 
tinged with brown along the exterior border, with a dark brown 
hind basal streak; first and second transverse veins oblique, 
straight; first about half the length of the second, from which it is 
parted by about thrice its length ; third and fourth straight, oblique, 
about equal in length. Fold of the hind wings brown towards the 
base. Length of the body 8 lines; of the wings 26 lines. 
a. West Africa. Fyrom Mr. Fraser’s collection. 
CICADA ALBIVENOSA. 
Mas. Nigra, dense pubescens ; caput parvum ; prothoracis margo 
J pu pul pe P g 
perangustus, lateribus valde dilatatis ; abdomen subtus ferru- 
gineum; opercula testacea; pedes picei; ale vitree, venis 
albis, ‘ 
Male. Black, thickly pubescent. Head small, narrower than 
the prothorax, hardly convex in front. Prothorax with a very nar- 
row ferruginous border, which is much dilated on each side. Abdo- 
men ferruginous beneath. Opercula testaceous. Legs piceous. 
Wings vitreous ; veins white. Fore wings with the first and second 
transverse veins a ent curved, nearly upright; first parted from 
the second by nearly thrice its length; third and fourth oblique, 
slightly curved. Length of the body 54 lines; of the wings 13 
lines. 
a, b. Port Natal. From M. Gueinzius’ collection. 
CICADA VIRIDULA, 
Mas. Pallide viridis ; caput angustum; abdomen crassum ; pedes 
breves, graciles ; femora antica subspinosa ; ale parva, vitree, 
venis pallide viridibus. 
Male. Pale grass-green. Head narrower than the prothorax, 
very slightly convex in front. Eyes prominent. Prothorax narrower 
in front; border very narrow, hardly dilated on each side. Abdo- 
men thick, broader than the thorax. Legs short, slender; fore 
femora thick, with very minute spines. Wings small, vitreous; 
veins very pale green. fore wings with the first and second veins 
D2 
