LIST OF HOMOPTEROUS INSECTS, 213 
Black, yellow beneath. Head with a yellow dot on the hind 
border, with an irregular yellow mark on each side, and with a yel- 
low spot on the fore border; front with three yellow stripes. Pro- 
thorax with a yellow mark on the hind border, and with three yellow 
spots in front; disk sometimes ferruginous. Scutellum with a tri- 
angular yellow spot. Hind borders of the abdominal segments 
more or less luteous. Fore wings red, with one or two whitish 
basal spots, and with three whitish variable stripes ; tips and hind 
wings black. Length of the body 3}—4 lines; of the wings 8—9 
lines. 
a, 6, Constancia, Province of Rio. Presented by J. Gray, Esq. 
TETLIGONIA BIFACIES. 
Nigra, nitens ; caput ochraceum, macula antica trigona nigra ; 
prothorax gutta antica maculisque duabus magnis nonnunguam 
conneais ochraceis ; pectus ochraceum, strigis duabus obliquis 
nigris; abdomen rufum, subtus nigrum segmentis rufo fas- 
cialis ; pedes lutei, tibiis tarsisque posticis nigris ; ale antice 
macula costali subapicali rufa ; postice nigro-vilree. 
Black, shining. Head orange, with a black triangular spot in 
front. Prothorax with an orange dot adjoining the head, and with 
two large orange spots, which are sometimes connected. Pectus 
orange, with an oblique black streak on each side. Abdomen red ; 
under side black, with a red band on the hind border of each seg- 
ment. Legs luteous; hind tibiw and hind tarsi black. Fore wings 
with a red spot on the costa near the tip. Hind wings vitreous- 
black. Length of the body 44 lines; of the wings 9 lines. 
a,b. Tejuca, Province of Rio. Presented by the Rev, Hamlet 
Clark. 
TETTIGONIA INSTANS. 
Fusca, subtus albido-testacea ; caput pallide flavum, fasciis duabus 
Serrugineis ; scutellum margine antico fasciaque albidis ; 
abdomen supra rufum ; pedes albidi ; ale antice vittis duabus 
vin furcatis fasciaque obliqua luteis, apice sordide vitree ; 
postice sordide vitree apice fusca, 
Brown, whitish testaceous beneath. Head pale yellow, with 
two ferruginous bands. Scutellum whitish in front, and with 
a whitish band towards the tip. Abdomen red above. Legs 
whitish. Fore wings with two hardly forked luteous stripes, which 
