LIST OF HOMOPTEROUS INSECTS, 53 
Female. Black. Vertex rather short, with two tubercles on 
each side, and with a transverse ridge in front, Front slightl 
ruguluse, with an indistinct and incomplete middle keel, and wit 
a depression on each side in front. Face like that of P. diserepuns. 
Prothorax slightly rugulose, with four tubercles in front, a slight 
transverse furrow, and a slight hindward transverse ridge. Meso- 
thorax with a middle keel, and in front a transverse curved ridge, 
which forms an angle on each side. Abdomen red above, and with 
ared border beneath. Wings like those of P. diserepans, vitreous 
towards their tips, but the apical part in the fore wings is slightly 
grayish, and contains some darker marks. Length of the body 6 
lines; of the wings 16 lines, 
a, Constaneia, Province of Rio Janeiro. Presented by the Rev. 
Hamlet Clark. 
PotocERA DISCREPANS. 
Nigra; vertex brevissimus ; frons subrugulosa, carinis tribus via 
conspicuis ; facies scite rugulosa, carinis duabus antice con- 
nevis; prothorax subrugulosus ; mesothorax tricarinatus ; 
ale antice apices versus confertissime venose et nonnunquam 
subvitree ; postice nigricantes. Mas,—Caput latum ; abdo- 
men sublus flavum. 
Black. Vertex very short. Front slightly rugulose, with 
three almost obsolete keels. Face more minutely rugulose, with 
two slight smooth keels, which converge and are united towards the 
proboscis, Prothorax slightly rugulose, slightly furrowed trans- 
versely. Mesothorax with three slight keels. Fore wings with 
very numerous veins and yeinlets on the apical third part. Hind 
Wings blackish. Male.—Head much broader than that of the 
female. Prothorax more distinctly furrowed. Abdomen yellow 
beneath Var. 8.—Abdomen with a broad black stripe beneath. 
ore wings vitreous, and slightly grayish towards the tips. Length 
of the body 4 lines; of the wings 11—12 lines. 
4,6. Constancia, Province of Rio Janeiro. Presented by the Rev. 
Hamlet Clark. 
F3 
