Bruner: South American Acr dea. 35 



anterior median carina moderately developed; hind margin sub- 

 angulate. Tegmina of normal width, without intercalary vein, the 

 costal margin not fenestrate as in ferrugineus, the most nearly allied 

 3pe< iesof thegenus. Hind femora normal, surpassing the apex of the 

 abdomen by the length of the genicular portion, the tibiae weakly 

 spined, and with rather small, not very unequal, inner claw-. 



General color as described above; the tegmina irregularly con- 

 spersed with brunneo-fuscous, beyond the middle showing a tendency 

 towards maculation. Hind femora with traces of fuscous bauds 

 above, a preapical annulation below, and internally deep coral-red. 



Length of body, cJ 1 , 19 mm.; of pronotum, ,>6 mm.; of tegmina, 18 

 mm.; of hind femora, 12. 5 mm. 



Habitat. — Chapada, Brazil, September (H. H. Smith). 



The type is the only specimen at hand. It is the property of the 

 Carnegie Museum. 



Genus Scyllina Stal. 



Scyllina Stal, Rcccns. Orthopt., I, pp. 94, 112 (1873). 



Pseudostauronotns Giolio-Tos {nee Brunner), Zool. Jahrb. Abth. Syst., VIII, p. 801 



(1894). 

 Plectrophorus McNeill {nee Ferrussac) , Proc. Davenport Acad. Sci., VI, pp. 198, 



258 (1900). 

 Plectrolcttix McNeill, Psyche, VIII, p. 71 (1897). 



45. Scyllina uniformis Rehn. 

 Scyllina uniformis Rehn, Proc. U. S. Nat. Mus., XNX, p. 384 (1906). 



Habitat. — Chapada near Cuyaba, Matto Grosso, Brazil, during the 

 months of April to July inclusive (11. H. Smith). 



46. Scyllina brunneri (Giglio-Tos). 



Pseudostauronotns brunneri GiGLlO-Tos, Zool. Jahrb., Abth. Syst., VIII, p. 810 



(1894). 

 Scyllina bru?ineri Rehn, Proc. U. S. Nat. Mus., XXX, p. 385 (1906). 



Habitat. — -Chapada, Brazil, March and April (H. H. Smith). It is 

 also known from Caiza, Bolivia, and Paraguay. 



47. Scyllina suffusa Rehn. 

 Scyllina suffusa Rehn, Proc. U. S. Nat. Mus., XXX, pp. 385-387 (1906). 



Habitat. — Chapada, Matto Grosso, Brazil, in September (H. H. 

 Smith'. 



Not recognized among the material at hand, but there remains 

 quite a lot of specimens of the genus which have not been carefully 

 s1 udied. 



