646 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxx. 



dd. Posterior femora nearly smooth, only partially nigro-punctate on the 



carinte. Hind tihi;e armed with 13 to 16 spines on outer row. 



e. Larger and more robust (86 male, 51 female, mm.); the disk of tegmina 



provided witli a row of prominent dark subquadrate spots. Hind 



femora rather roljust l)asally. The tibiie 13 or 14 spined . . .lievipes Stal 



ee. Smaller and slenderer (30 male, 40 female, mm.). Disk of tegmina 



immaculate or only showing traces of the discal spots. Sometimes 



with the body and tegmina more or less infuscated. Hind femora 



slender. The tibia' 15 to 16 spined. (Sao Paulo, Brazil.) 



(jracUla Bruner" 

 cc. Color ochreous or ferrugineo-testaceous. 



d. Hind tibije with 11-12 spines in outer row. Crest of pronotum arcuate. 



Tegmina with a pale costal line lineaius, new species 



dd. Hind tibiae with 18-19 spines in outer row. Crest of pronotum straight. 

 • Tegmina without a costal line la uferi Bolivar 



TROPINOTUS DISCOIDEUS Serville. 



Tropinotus discoideus Serville, Hist. Orthopt., 1839, p. 619. 

 Tropidoriotus discoideus StAl, Obs. Orthopt., HI, 1878, p. 19. 



Hdhitat. — This insect is represented by 9 male and 12 female speci- 

 mens collected hy W. T. Foster at Sapuca}' (coll. U. S. Nat. Miis.); 

 1)}' others fi'om Asuncion (coll. L. Bruner), and is reported from vari- 

 ous Paraj^uayan localities (Giglio-Tos). 



TROPINOTUS ANGULATUS Stal. 



Tropiriotns niiguhttns SrAh, Recens. Orthopt., I, 1873, p. 44. 

 TrupidoiKitHs (UKjnlatus StAl, Obs. Orthopt., Ill, 1878, p. 19. 



llahltat. — Specimens of this species are at hand from Asuncion (L. 

 Bruner. collector); it is also credited to Faraguaj^ by Giglio-Tos. 



TROPINOTUS MODESTUS Giglio-Tos. 



Tro;«dono<MS OTodesto."? UiuLio-Tos, Boll. ]\Ius. Zool. Anat. Torino, IX, 1894, No. 

 184, p. 16. 



Ilahltat. — This species, while not recorded directl\' from Paraguay, 

 was taken in the adjoining parts of the Argentine Chaco. It undoubt- 

 edly occurs likewise in Paraguayan territory. 



TROPINOTUS INSIGNIS Giglio-Tos. 



Tropidonotits /».s(V//(/.s- (iioi.io-Tos, lioll. ^lus. Zool. .Vnat. Torino, IX, 1894, No. 184, 

 p. 16. 



Ilah/tat. — ^While this insect was first described from northwestern 

 Argentina it has since been reported from Cordoba and Santa Fe, and 

 from the Bolivian Chaco. It is very likely found in Paraguay as well. 



TROPINOTUS AFFINIS, new species. 



Apparently quite closely I'elated to 7'. seahrlpes Stal, but differing 

 from it in a number of points suflicienth' to warrant me in describing it 

 as new. As compared with that species, affinls is a little larger and 



" See footnote on iireceding page. 



