Bruner: South vXmerican Crickets. 365 



middle and hind tibia\ Posterior metatarsus and tibial claws white, 

 the former slender, about two-thirds as long as the claws. Antennae 

 with the two basal joints entirely pallid, the next three pallid above, 

 and the upper side of the sixth narrowly streaked lengthwise with 

 same color; lower sides of the third to the sixth, and all of the remain- 

 ing segments black. Tegmina with the sutural half pallid, the other 

 half infuscated. Wings with their costal margin pale, tinged with 

 violet, the remainder pale metallic blue with mother-of-pearl or irides- 

 cent reflections. 



Length of body, cf and 9, 8.5 mm.; including the wings, 12.5- 

 13 mm. 



Habitat. — The three specimens at hand all come from the "Upper 

 Mamore River, Department of Santa Cruz, Bolivia, 200 M." They 

 were taken by Steinbach. The types, <^ and 9 , belong to the 

 Carnegie Museum. 



19. Rhipipteryx trilobata Saussure. 



Rhipipleryx Irilohala Saussure, Miss. Mex., Orth. (1874), p. 357; Kirby, Syn. Cat. 

 Orth., II (1906), p. 12. 



Habitat. — Three specimens of a Rhipiptcry.x which arc referred to 

 this species, come from Para, Brazil, where they were taken during 

 the months April and July, by H. H. Smith. They belong to the 

 Carnegie Museum. 



20. Rhipipteryx cruciata sp. nov. 



Re ated to R. trilobata, but somewhat larger and more robust, and 

 with the black of the pronotum separated into four tracts by two 

 decussating pallid lines, which extend from the sinus of one side to 

 the opposite lower anterior angle. Head comparatively large, the 

 eyes also lar e but not i)rominent, bordered by a pallid line; occiput 

 marked by two rufotestaceous lines con\erging behind, the posterior 

 ends of wdiich are hidden by the front edge of the pronotum. Pro- 

 notum large, wide, rather broadly bordered with pallid, and having 

 the disc crossed diagonally with two prominent lines of the same color 

 in such a manner as to break u]3 the black ground-color into four 

 patches, the largest almost circular and situated dorsally back of the 

 middle, the two lateral spots central, triangular, with their apices 

 directed upwards, the anterior spot fairly wide, continuous, parallel 

 with the anterior border, widest dorsalK- <ind reaching from near the 



