LIST OF HOMOPTEROUS INSECTS. 51 
many irregular minute black marks. Hind wings vitreous, with a 
slight grayish tinge; veins black. Length of the body 5} lines; of 
the wings 16 lines. 
a, Mexico. From M. Sallé’s collection. 
Po1ocERA CEPHALOTES. 
Mas. Picea; caput testaceum; frons plana, subrugulosa, mar- 
gine non elevato ; facies picea, subcarinata ; thoraw subtuber- 
culatus ; prothorax subcarinatus; abdomen atrum lituris 
duabus busalibus rufis, subtus rufum fasciis nigris ; pedes 
nigri, covis anterioribus pedibusque posticis rufis ; ale basi 
viridi strigate ; antice nigre costa viridi; postice vitree 
nigro marginate. 
Male. Piceous. Head testaceous; front flat, slightly rugu- 
lose, concave in front; borders not elevated; face piceous, very 
slightly keeled. Thorax slightly tuberculate. Prothorax very 
slightly keeled. Abdomen deep black, with a red mark on each 
side at the base; apical segiment with two grooves; under side 
bright red, with a black band on the hind border of each segment. 
Legs black; anterior cox red; hind legs mostly red. Wings with 
green streaks at the base. Fore wings black; costa green. Hind 
wings vitreous, bordered with black; veins black; the fold blackish, 
its veins whitish towards the base. Length of the body 5} lines; of 
the wings 15 lines. 
a, Tapayos. From Mr. Bates’ collection. 
PorockERA LINEATA. 
Mas. Testaceo-viridis; frons plana, subtuberculata, vix cari- 
nala ; facies subcarinata ; thorax non carinatus ; abdomen 
nigrum faseiis cyaneis, subtus testaceum fasciis viridibus ; 
ale antice virides, apices versus nigricantes testaceo venose, 
linea intermedia arcuata testacea ; postice atre, strigis basa- 
libus venisque ex parte cyaneo-viridibus. 
Male. Dull testaceous-green. Front flat, very slightly tuber- 
culate, concave on each side, hardly concave in front, with an indis- 
tinct keel, which is occasionally obsolete; face very slightly keeled. 
Thorax not keeled. Abdomen black; hind borders of the segments 
blue; under side testaceous, its segments bordered with green. 
Fore wings green, with a testaceous subcostal line, which is curved 
F2 
