March, 1922.] FUNKHOUSER: SoUTH AMERICAN MembRACID^. 5 



Small brown and white species ; upper lateral ridge of pronotum 

 higher than dorsal ridge above the humeral angles ; tegmina hyaline 

 marked with brown; posterior process extending slightly beyond in- 

 ternal angles of tegmina ; legs and feet entirely white. 



Tropidoscyta minuta new species. (PI. I, fig. 5.) 



Head longer than wide, ferruginous, coarsely punctate, sparingly pubes- 

 cent ; base arcuate ; eyes large, brown ; ocelli very small, pearly, inconspicu- 

 ous, twice as far from each other as from the eyes and situated well above 

 a line drawn through centers of eyes ; margins of genae sinuate ; clypeus sub- 

 quadrate, longer than wide, extending for more than half its length below 

 inferior margins of gense, tip pointed and pilose. 



Pronotum uniformly ferruginous except base of posterior process which 

 is somewhat lighter in color, not foliaceous, not produced in front, coarsely 

 punctate, sparingly pubescent with short golden hairs ; metopidium convex ; 

 dorsum subarcuate, highest in front ; median carina strongly percurrent. some- 

 what compressed laterally at base of posterior process; two lateral ridges on 

 each side above humeral angle, the upper ridge being the longer: neither ridge 

 quite reaching the median carina above or the lateral margin of the pronotum 

 below ; posterior process short, heavy, acute, tectiform, reaching just to the 

 internal angles of the tegmina. 



Tegmina broad, opaque except at the tips which are hyaline, base black, 

 coriaceous, coarsely punctate and sparingly pubescent ; two broad black trans- 

 verse lines across center of tegmen, the areas between these lines a flat opaque 

 brown ; veins inconspicuous ; five apical and three discoidal areas. 



Under surface of body dark brown, swollen and globose, the abdomen 

 projecting below the costal margins of the tegmina; legs ferruginous; hind 

 tibiae strongly spined. 



Length 2.7 mm.; max. width 1.5 mm. 



Type: female. 



Locality: Obidos, Brazil. Sept. 10, 1919 (Parish). 



Very small, heavy-bodied, subglobose, ferruginous; strong median 

 carina; two lateral ridges on each side; base of posterior process 

 lighter in color than the rest of the pronotum; posterior process just 

 reaching internal angles of tegmina; tegmina brown mottled with black 

 with apices hyaline; under surface dark brown; legs ferruginous. 



Leioscyta trimaculata new species. (PI. I, fig. 6.) 



Head flat, foliaceous, subquadrate, brown, finely punctate, sparingly 

 pubescent with long golden hairs ; base angular ; eyes large, prominent, yellow ; 

 ocelli small, yellow, inconspicuous, farther from each other than from the 

 eyes and situated above a line drawn through centers of eyes ; margins of 



