100 E. T. CRESSON. 



black pubescence ; anterior margin of clypeus emarginatc ; posterior 

 margin of prothorax arcuate ; metathorax rounded, smooth, and having 

 a fine sericeous pile of a purple tint; wings dark fuscous, apical mar- 

 gins with a darker border ; tibiae and tarsi spiuose ; second and third 

 segments of abdomen with a broad yellow fascia, the posterior margin 

 of which is emarginate." 



Hah. — " North America." Not seen. 



Closely allied to amfriramis, but differs by the emarginate clypeus 

 and by the arcuate posterior margin of the prothorax. 



".j. Fompilus semirufus, n. sp. 



Female. — Black ; head, thorax and legs covered with a rather dense 

 cinereous pile; anterior margin of the clypeus truncate; mandibles 

 dull reddish, black at base and tips; antennae slender, moderately long; 

 posterior margin of the prothorax angular ; metathorax smooth and 

 rounded, abrupt behind, with a slightly impressed line down the mid- 

 dle ; legs rather long, tibiae and tarsi strongly spinose ; wings dark fus- 

 cous, darker at tips, subviolaceous, third submarginal cell triangular; 

 abdomen ovate, convex, polished, yellowish-ferruginous, the three api- 

 cal segments black. Length 41 lines. 



5a6.— Georgia, (Coll. Am. Ent. Soc). 



One $ specimen. 



36. Fompilus divisus, n. sp. 



Female. — Black, shining ; head, antennae, thorax and legs covered 

 with a rather dense cinereous pile; face short; anterior margin of the 

 clypeus subtruncate ; mandibles rufous, black at tips; antennce slen- 

 der, scarcely as long as the head and thorax ; posterior margin of the 

 prothorax arcuate; metathorax rounded, smooth and shining, with a 

 deeply impressed line on the basal middle; legs thickly spinose. ante- 

 rior tarsi strongly ciliated; wings fuscous, subviolaceous, darker on the 

 apical margin, and paler at base, third submarginal cell triangular ; 

 abdomen elongate, subovate, convex, polished, pilose towards the apex, 

 the two basal segments above rufo-ferrugiuous, the remainder black, 

 the apical segment large, convex and pilose; beneath, the three basal 

 segments rufo-ferruginous. ]jength 6 lines. 



Bab. — Georgia, (Coll. Am. Ent. Soc.) 



One $ specimen. Allied to semirufus, but differs by being more 

 elongate, by the shape of the posterior margin of the prothorax, and 

 by the coloration of the abdomen. 



