NO 1124. Iinrisnty OF THE .\thL.t\nrLl—SCI lUt^ti. '\\3 



Mexico.^ Ah all the 8]>e<*imeiis set»n from these rejjiniis wliieh mip^bt 

 he ivterreil to this specieH (and in some instanees liavr heen so hibehMl) 

 prove to heh)U}4: t** M. pfukartlii, I think it prol)ahie that Home at least of 

 tliese localiticH may he wronjjiy jjiveii. The sperirs iiulred ditt'ern 

 hut slijfhtly tVoin ,1/. parknrtlil, aiul may prove to he merely a varietal 

 form of it de|)eiulent iipcm station, which in this species is in the dank 

 vegetation of river bottoms where M. parkarflii ocmmu's Ixit rarely. I 

 took a few si>ecimen8 of the latter, however, in company with the 

 former. 



98. MELANOPLUS CORPULENTUS, new species, 

 (litte XX, fig. 10.) 

 Melanophin corpuleniuH IJiunkrI. M8. 



A heavylKxlied form, somewhat above the medium si/e, fuscotes- 

 tacecms, tinged with ferruirinous. Head not prominent, oliva<*eo testa- 

 ceous, often much blot<'hed with fuscous, above always much infuscated, 

 generally in longitudinal streaks, the lateral edges of the fastigium 

 more or less blackened, and with a generally <listinct postocular stripe; 

 vertex gently tumid, slightly elevated above the pronotum, the inter- 

 space between the eyes nearly half as broad again (male) or twice as 

 broad (female) as the tirst antennal Joint; fastigium steeply ileclivent, 

 considerably (male) or shaHowly (female) sulcate; frontal costa failing 

 by some distance to reach the clypeus, slightly contracted above, at its 

 widest as broad as the interspace between the eyes, sulcate at, and in 

 tiie male below, the ocellus, punctate throughout; eyes not very large, 

 feebly prominent in the male, anteriorly truncate (female) or subtrun- 

 cate (male), about as long as the intraocular jjortion of the geiiae; 

 antennae red, sometimes a little infuscated apically, somewhat more than 

 fourtifths (male) or than two-thirds (female) as long as the hind femora. 

 Pronotum stout, distinctly enlarging posteriorly, esi)ecially in the female, 

 more or less and irregularly clouded with fuscous on the disk, ofteu 

 with a ferruginous tinge especially on the meta/ona, the lateral carinae 

 occasionally marked obscurely with tlavous, the lateial lobes generally 

 but obscurely infuscated at the upper half of the prozona, often broken 

 by lighter tints; disk broadly convex, passing into the subvertical 

 lateraHobesby a rounded shoulder occasionally forming distinct carinae; 

 median carina distinct on the metazona, less distinct (female) or subob- 

 solete especially between tlie sulci (u^ale) on the prozona; front margin 

 subtruncate, hind margin obiusangulate, the angle generally very 

 broadly rounded; prozona slightly longitudinal (male) or quadrate or 

 feebly transverse (female), distinctly (male) or scarcely (female) longer 

 than the rather obscurely punctate metazona; transverse sulci of pro- 

 zona tolerably distinctj feebly arcuate, opening forward. Prosternal 



