298 BRAZILIAN ORTHOPTERA 



falling considerably short of the apices of the caudal femora, in 

 the prosternal spine being short and blunt conical, the caudal 

 tibiae armed on the clorso-external margin with six to seven 

 spines, in the antennae each having two pale annuli and the 

 lateral lobes of the pronotum not marked with yellowish, al- 

 though the face is. 



Type. — 9 ; Peixe Boi, east of Para, State of Para, Brazil. 

 November to December, 1907. (H. B. Merrill.) [Acad. Nat. 

 Sci. Phila., Type no. 5314.] 



Size small: form moderately slender, subcompressed : surface of head and 

 limlis smooth but minuteh^ shagreenous, of pronotum and pleura more or less 

 cril)roso-punctate, of venter and abdomen moderately polished. Head with 

 the exposed dorsal length subeo,ual to that of the prozona: occiput distinctly 

 ascending, then declivent to the interocular space, which is hardly wider than 

 the proximal antennal joint, and the whole dorsum of the head, from the 

 cephalic margin of the fastigium, with a fine continuous medio-longitudinal 

 sulcus; fastigium broad, but faintly longer than wide, the margin regularly 

 arcuate, faintly subparallel caudad, slightly flattened meso-cephalad, the mar- 

 gin distinctly cingulate: fastigio-facial angle rounded rectangulate when seen 

 from the side, the interantennal protuberance rotundato-truncate for a short 

 distance, then passing into the regvdarly retreating and moderately concave 

 facial line; frontal costa dorsad distinctly broader than the proximal antennal 

 joint, immediately dorsad plane but biseriate punctate, ventrad of this the 

 costa is deeply and sharply sulcate to the clypeus, the borders of the costa 

 moderately constricted ventrad of the ocellus at the usual transverse facial 

 sulci, thence distinctly diverging: lateral facial carinae slightly sinuate, sub- 

 parallel: eyes very prominent, globose when seen from the dorsal surface, in 

 basal outline broad ovate, their greatest depth nearly twice that of the infra- 

 ocular portion of the genae: antennae slightly longer than the dorsal length of 

 the head and pronotum, slightly and very gradually enlarging distad, the 

 joints moniliform and from the third regularly increasing in length distad. 

 Pronotum with the greatest dorsal (caudal) width contained one and one-half 

 times in the greatest length of the same, when seen from the side the dorsal 

 line is moderately impressed at the principal transverse sulcus, faintly so at 

 the cephalic transverse sulcus; cribroso-punctation of pronotum strongest on 

 the metazona and along the cephalic and ventral margins, weakest on the disk 

 of the prozona of the lateral lobes; cephalic margin of disk arcuate, weakly 

 flattened mesad, caudal margin obtuse-angulate, lateral angles of disk 

 broadly rounded except for a weak shoulder on the metazona; median carina 

 weak but continuous, subobsolete mesad, transverse sulci well impressed, the 

 caudal one severing the median carina at the caudal third: lateral lobes with 

 the greatest depth contained one and one-third times in the greatest dorsal 

 length of the same; cephalic margin of lobes obliquely sinuate, ventro-cephalic 

 angle obtuse, ventral margin arcuato-emarginate cejihalad, gently arcuate 

 caudad, ventro-caudal angle rounded, obtuse, caudal margin weakly oblique, 

 truncate. Tegmina abbreviate, about one and on(>-half times as long as the 



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