J.0 1124. BEVISIOX OF THE MELAXOPLI^SCUDDER. 79 



]»ly longer than tlie abdomen in tlie male, nearly or quite as long as the 

 abdomen in the female. Sui)raan;il piate of male siibtriangular. with 

 a sb<iht, rounded, lobiform, apical ]>rolongation. the surface nearly tlat, 

 with a slight, rather broad median sulcus on the basal half or more; 

 fmcula consisting of a pair of very slightly ]»roJecting but moderately 

 large, rounded, attingent lobes; cerci comjuessed more than commonly 

 ill this genus, broad at base. tai>ering pretty regularly in the basal two- 

 thirds, mostly by the excision of the upper side, beyond equal, apically 

 bluntly rounded, scarcely incurved; infracercal plates a}>icalh' narrow, 

 nearly as long as the su])raanal jdate. 



Length of body, male, 10 mm., female, L*'3 mm.; antennae, male. 7.75 

 mm., female, 7.-5 mm.; tegmina, male, 1().25 mm., female, IG mm.: hind 

 femora, male, 10.1 mm., female, 11.75 mm. 



Five males, 4 females. Fort Whipple, Yavapai County, Arizona; 

 Mohave Desert, Loew- (U.S.X.M. [2so. 717 j). 



This species differs slightly from Ae. nui/ormis in markings, but more 

 ill the sculpture of the face and of the male abdominal ai)pendages, 

 which are very distinct in the basal breadth of the cerci and the liat- 

 iies> of the supraanal plate. 



lo. AEOLOPLUS OCULATUS. new species. 



(Plate VI, lig. i.) 



Tale yellowish testaceous, uniform, the only variations from it being 

 in the pale reddish antennae, chocolate brown eyes, the faint, fuscous, 

 (i(>\v(U*d, and delicate i)unctuatioii of the submarginal sulcus of the 

 pnizona and of the whole of the meta/ona, the bluish main rays of the 

 wings, the feeble, plumbeo fuscou^), sagittate banding of the hind 

 femora, the narrow i)uri)lish crescent of the genicular lobes and the 

 very i>ale purplish hind tibiae, the sj»ines of which are yellowish in the 

 basal, black in the ai)ical half. The eyes of the male are very large 

 and ]»rominent, the fastigium ju-etty deeidj^and rather narrowly sulcate 

 between the eyes, tlie frontal costa moderately broad, subequal, nowhere 

 silicate, and rather indistinctly i)ercuiTent. I'osterior sulcus of the 

 prozona swerving backward nu'sially to form a very broad W, and yet 

 in the middle much nearer the sulcus in t'vimt than that behind; sulcus 

 in tiont of it percurrent, straight, but angularly bentforwa:d laterally. 

 Tegmina considerably longer than the abdomen in the male. Supra- 

 anal }»late of male triangular, with the apex slightly produced and 

 roiMided, nearly tlat, with a rather broad and shallow median sulcus, 

 suddenly narrowed and almost immediately lerminated in the middle 

 oi the phite, the margins sharply detined; furcula consisting of a pair 

 <»t juxtaposed, small, rounded lobes, scarcely perceptible by any i)roJec- 

 \ tioii; cerci broad at base and equal on basal lifth, but in the next two 

 I fifths rapidly tapering, almost entirely by tin' tailing slo])e of the upper 

 side, beyond subeiiual, bluntly pointed. h>nger than the sux^raanal plate 



