4 E. T. CRESSON. 



EUIIRA Newra. 

 Eiiiira albiricta. — 9 .—Shining black ; head broad, posterior orbits dull 

 testaceous; spot beneath eyes, clypeus, labrum, and mandibles except tips, 

 pale testaceous; wings hyaline, iridescent, base of stigma pale; tegulse and 

 legs pale testaceous, middle of femora more or less, tips of posterior tibiae and 

 tarsi except base, blackish. Length .15 inch. 

 Hub. — Nevada, (Morrison). 



N EM AT US Jurine. 

 Neniatus rapax. — %,. — Black, shining; clypeus emarginate; antennae 

 robust, flattened, slender at tips, third, fourth and fifth joints of nearly equal 

 length; wings subhyaline, nervures black, stigma fuscous, a small blackish 

 callous spot or line in the externo-median and second submarginal cells, the 

 latter receiving the first recurrent nervure about one-third from the base and 

 the second near the apex, the third submarginal nearly as long as the second, 

 broader at tip; knees, tibiae and base of four anterior tarsi soiled white; four 

 posterior tibiae with a groove on outer side; abdomen elongate, narrowed to 

 apex, ridged down the back. Length .30 inch. 



Hah. — Nevada, (Morrison). Allied to concolor Norton. 



Ncnialiis Tieiiialijs*. — f . — Robust, black; clypeus short, obtusely emar- 

 ginate; labrum pale; antennae longer than head and thorax, slender, third, 

 fourth and fifth joints of nearly equal length; tegulae piceous, pale in front; 

 wings hyaline, nervures and stigma black, second submarginal cell receiving 

 the first recurrent nervure less than one-third from the base and the second 

 about one-sixth from apex, third submarginal rather more than half the length 

 of the second, broader at tip; legs rather robust, coxae, trochanters, knees, 

 tibiae and base of four anterior tarsi more or less, soiled white, tips of posterior 

 tibiae and apical half within black; abdomen oblong, robust, subcylindrical, 

 rather longer than head and thorax. Length .3.3 inch. 



Hah. — California, (Crotch). Allied to malacus Norton. 



Ncinatus nigrofonioralus. — 9- — i^'iort, robust, black, sericeous; an- 

 terior margin of clypeus, labrum, spot beneath eyes, a dot at summit and 

 obscure line on upper posterior orbits, whitish; clypeus feebly emarginate; 

 antennae short, slender, three basal joints of flagellum of nearly equal length; 

 narrow margin of posterior angles of prothorax and most of tegulae, whitish; 

 wings hyaline, faintly dusky at tips, nervures and stigma black, the costal 

 nervure pale at base, nervures much as in vicinalis, the externo-median and 

 second submarginal cells each with a black dot; legs robust, tips of coxae, 

 trochanters, knees, tibiae and base of tarsi more or less, whitish; posterior 

 tibiae blackish at tips within; abdomen short, ovate, about as long as head 

 and thorax. Length .26 inch. 

 Huh. — Nevada, (Morrison). 



Nematus latiis. — 9- — Short, broad, subrobust, shining black, subseri- 

 ceous; labrum dull whitish; antennae rather short, slender, three basal joints 

 of flagellum of nearly equal length; posterior angles of prothorax tipped with 

 dull whitish; wings hyaline, nervures black, costal nerve and stigma fuscous; 

 neuration much as in vicinalis, except that the third submarginal cell is rather 

 shorter, second submarginal with a black dot near the middle; legs subrobust, 



