FAMILY v.— ACRIDIIN^. 189 



the broad post-ocular band. Frontal costa prominent; eyes 

 moderate in size. Pronotumsubequal, faintly enlarging pos- 

 teriorly, above brownish-testaceous, the lateral lobes with a 

 very broad and conspicuous piceous percurrent post-ocular 

 belt above, below varying from bright flavous to flavo-testa- 

 ceous, the disk very broadly sub-tectate, passing by an 

 abrupt but rounded shoulder, forming feeble percurrent lat- 

 eral carin^e, into the vertical lateral lobes; median carina 

 low but distinct. Prosternal spine large, conical, blunt, sub- 

 erect. Tegmina abbreviate, about the length of the prozona, 

 lateral, lanceolate, the costal margin convex, the inner nearly 

 straight, fully three times as long as broad, brownish fus- 

 cous. Fore and middle femora considerably tumid in the 

 male; hind femora veryslender, green, the whole geniculation 

 blackish-fuscous, the under surface flavous ; hind tibiee green, 

 with a basal, feeble, fuscous annulus, the spines black in the 

 apical half, eleven to twelve in number in the outer series. 

 Abdomen ferrugineo-fuscous, flavescent, compressed, with a 

 distinct median carina, the extremity of the male abdomen 

 considerably clavate, much recurved. 



Length of body, male, 14 mm., female, 19 mm. ; antenna, 

 male, 8.5 mm., female, 7.75 mm.; tegmina, male, 3 mm., 

 female, 4 mm. ; hindfemora, male, 10 mm., female, 11.25 mm. 



This species is also found in low and open woods, but is 

 not common, only four females having been caught in July, 

 in societ}' -svith Blatchleyi. 



Melanoplus occidentalis Thomas. 



Of medium or rather small size. Head very slightl}^ ele- 

 vated, a very little arched; fastigium rather shallow, the 

 margins in front of the eyes blunt; frontal costa more than 

 usually prominent ; e^^es rather prominent, anteriorly trun- 

 cate. Pronotum enlarging on the metazona, laterally sub- 

 tumid in an irregular way on the prozona, the metazona 

 faintly punctate ; front margin feebly convex, with a feeble 

 median emargination ; hind margin roundly obtus-angulate; 



