150 PROCEEDINGS OF THE NATIONAL MUSEUM. 



at the lateral carinae; an oblique cuneiform yellow dash, the apex in 

 front and above, follows the ridge of the inetathoracic episterna, mar- 

 gined on either side by an equal piceous belt. The dorsal field of the 

 tegmina is of the same color as the disk of the pronotum, or occasionally 

 a little paler, while the lateral field is nearly always much darker 

 brown, the discoidal area marked by dashes of blackish fuscous, which 

 occasionally suffuses nearly the whole of the lateral field. The hind 

 femora are twice barred with blackish above, and have more or less 

 blackish fuscous on their outer face; while the under portion of the 

 femora is yellowish, and the hind tibiae red with black-tipped spines, 

 twelve, rarely thirteen, in number in the outer series. 



Length of body, male, 19 mm., female, 25 mm.; antennae, male, 9 

 mm., female, 18.5 mm.; tegmina, male, 8 mm., female, 9.5 mm.; hind 

 femora, male, 12 mm., female, 13.5 mm. 



Three males, 6 females. Dallas, Texas, J. Boll 



8. MELANOPLUS SIMPLEX, new species. 

 (Plate X, fig. 8.) 



Ashen brown, darker above, sometimes darker throughout, with 

 a postocular piceous band. Head not at all prominent, luteo-testaceous 

 with a feeble olivaceous tinge, the summit with a pair of submedian 

 triangular stripes posteriorly; vertex tumid, elevated above the prono- 

 tum, the interspace between the eyes not very narrow, slightly broader 

 than the first antennal joint; fastigium strongly declivent, broadly 

 sulcate anteriorly, more deeply in the male than in the female; frontal 

 costa as broad as the interspace between the eyes, equal, faintly 

 depressed at the ocellus, sedately punctate at the sides; eyes rather 

 large, rather prominent in the male, a little longer than the intraocular 

 portion of the genae; antennae dark ferruginous, about two-thirds as 

 long as the hind femora, of similar relative length in the two sexes. 

 Pronotum short, subequal, scarcely enlarging posteriorly, slightly 

 darker on the disk than on the lateral lobes and more or less feebly 

 punctate or blotched with fuscous, the lateral lobes with a broad, equal, 

 piceous band, extending from behind the eyes across the upper part of 

 the prozona; front margin feebly convex, hind margin broadly angu- 

 late; the median carina sharper on the metazona than on the prozona 

 but hardly more prominent, the disk separated from the slightly tumid 

 lateral lobes by a blunt angle, but without distinct lateral carinae; 

 prozona in both sexes slightly longitudinal, about a fourth longer than 

 the feebly punctate inetazona. Prosternal spine rather long, not slen 

 der, and erect, cylindrical and very blunt (male) or conical but not 

 acuminate (female); interspace between mesosternal lobes somewhat 

 longer than broad (male) or distinctly transverse (female), the ineta 

 sternal lobes attingent over a short space (male) or approximate 

 (female). Tegmina slightly or considerably longer than the head and 



