314 Annals of the Carnegie Museum. 



Genus ScAPHURA Kirby. 

 Scaphura Kirby, Zool. Journ. I, p. 432 (1825); II, p. 9 (1825); Westwood, ZooI. 



Journ. IV, p. 227 (1828); Serville, End. Meth., Ins. X, p. 345 (1825) — and 



many others, see Kirby, Syn. Cat. Orth. II, p. 453 (1906). 

 Aganacris Walker, Cat. Derm. Salt. B. M., V, suppl. p. 41 (1871). 



Representatives of the genus Scaphura are confined to South Ameri- 

 can countries south of the equator, where they are most abundant 

 in middle and southern Brazil. 



26. Scaphura nigra (Thunberg). 



Gryllits niger Thunberg, Mem. Acad. Petersb. IX, p. 415 (1824). 

 Scaphura nigra Stal, Recens, Orth., II, p. 15 (1874), for synonymy see Kirby, 

 Syn. Cat. Orth. II, p. 454 (1906). 



Habitat. — Specimens are at hand from Rio de Janeiro and Chapada, 

 Brazil, from Puerto Suarez and the Province del Sara, Bolivia, and 

 from Rio Bermejo, Prov. of Salta, Argentina. 



At least six varieties of this interesting species have been recognized 

 and described. 



Genus Gymnocera Brulle. 



Gymnocera Brulle, Hist. Nat. Ins., IX, p. 145 (1835); Burmeister, Handb. Ent., 

 II, p. 687 (1838); Serville, Ins. Orth., p. 425 (1839); Blanchard, Hist. Nat. 

 Ins., Ill, p. 24 (1840); Kirby, vSyn. Cat. Orth., II, p. 454 (1906). 



.Scaphura Percheron {nee Kirby) Gen. Ins. Orth., pi. 4 (1836). 



The present genus is related to Scaphura in so far as its members are 

 varicolored, but the basal portion of their antennae lacks the hairs 

 which are so prominent on the basal antennal joints in the repre- 

 sentatives of that genus. 



27. Gymnocera elegans Serville. 



Gymnocera elegans Serville, Hist. Ins. Orth., p. 427 (1839); Kirby, Syn. Cat. 



Orth., II, p. 455 (1906). 

 Scaphura elegans Brunner, Mon. Phaneropt., pp. 256, 258, PI. 5, fig. 79 a-c (1878). 

 Var. Scaphura bicolor Blanchard, D'Orbigny, Voy. Amer. Merid. VI, (2), p. 215, 



pi. 26, f. 7 (1844). 



Habitat. — Several specimens, male and female, coming from Puerto 



Suarez, Bolivia, seem to belong here. They were taken by J, D. 



Haseman. 



28. Gymnocera fasciata (Brunner)? 



Scaphura fasciata Brunner, Mon. Phaneropt., pp. 257, 260 (1878). 

 Gymnocera fasciata Kirby, Syn. Cat. Orth., II, p. 455 (1906). 



Habitat. — A single imperfect female specimen coming from Rio de 

 Janeiro has been referred here. 



