134 Annals of the Carnegie Museum. 



their apex extending a little beyond the tip of the abdomen. Hind 

 tibiae eight-spined externally. Interspace between the mesosternal 

 lobes decidedly longer than wide, and scarcely over half the width of 

 the lobes themselves. Prosternal spine rather coarse and of consider- 

 able length, acuminate, directed gently caudad. Tip of abdomen 

 gently clavate, the last ventral segment, a little broader than long, 

 the apex very broadly and roundly emarginate at middle. Supra-anal 

 plate about as long as broad at base, the sides somewhat sinuose and 

 rounded, with the edge a little thickened and upturned, the apex a 

 little, but widely, produced, the middle longitudinally sulcate. for ihe 

 most part narrowly, at the base a little wider, and rec " ; .\ing the small 

 marginal apophyses of the preceding segment. Cerci as described 

 for D. gracilis, but a little heavier. 



General color dull olive-green, irregularly marmorate with flavous. 

 Sides of head back of eyes and sides of pronotum without traces of 

 the usual fuscous bar. Lunules of hind femora and hind tarsi stained 

 with ferruginous, lower sulcus and inner face of former flavous. 



Length of body, cf , 21 mm., of pronotum, 4.85 mm., of tegmina, 

 17 mm., of hind femora, 12 mm. 



Habitat. — Chapada, Brazil, in April. A single male (H. H. Smith). 

 Collection of the Carnegie Museum. 



Genus Leiotettix Bruner. 

 Leiotettix Bruner, Proc. U. S. Nat. Mus., XXX, pp. 643, 684 (1906). 



The species of the genus Leiotettix are medium-sized locusts, which 

 are related to both Dichropliis and Scotussa. They are found chiefly 

 in Brazil and Paraguay, where they frequent grassy fields. 



187. Leiotettix viridis Bruner. 

 Leiotettix viridis Bruner, Proc. U. S. Nat. Mus., XXX, p. 685 (1906). 



Habitat. — Specimens of this insect are before me bearing locality 

 labels of both Chapada and Rio de Janeiro, Brazil. They were 

 taken during the months of May, July, August, and October. 



188. Leiotettix sanguineus Bruner. 

 Leiotettix sanguineus Bruner, Proc. U. S. Nat. Mus., XXX, pp. 685, 687 (1906). 

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



Genus Parascopas Bruner. 



Parascopas Bruner, Proc. U. S. Nat. Mus., XXX, pp. 643, 689 (1906). 

 Scopas Giglio-Tos {nee Bonaparte), Boll. Mus. Zool. Anat. Torino, IX, no. 184, 

 p. 29 (1894). 



