TEXAN HV'MENOPTERA. 251 



testaceous; wings hyaline, nervures honey-j'ellow ; legs more or less tinged 

 with brown and clothed with ochraceous pubescence; abdomen oblong-ovate, 

 very finely and densely punctured, sericeous, base and sides of first segment 

 and apex with griseous pubescence, apical margins of segment 1 — 4 with a nar- 

 row even fascia of short dense whitish pubescence, anal rinia pale ochraceous. 

 Length .30— .35 inch. 



Eight specimens. (IJelfraire; Boll.) The stout tubercle or spine 

 on each side of head beneath, found also in 9 oi' texanns^ varies con- 

 siderably in length and acuteness, being sometimes long and acute, 

 sometimes short and blunt. 



Ilalictus texanns, n. sp. 



9. — Black, very closely and finely punctured ; head not wider than tho- 

 rax, clothed with a short cinereous pubescence, more dense on face and cheeks 

 and long and thin on cheeks beneath; clypeus and middle of face shining, 

 very sparsely punctured, the former fringed at apex with long golden hairs; 

 mandibles tinged with red; cheeks beneath with a stout obtuse tubercle; an- 

 tennae short, brown, flagellum pale beneath; prothorax tinged with ferrugi- 

 nous; upper lateral margin of ]jrothorax, anterior margin of mesothorax, po.st- 

 scutellum, sides of metathorax and of pleura clothed with dense griseous pu- 

 bescence ; metathorax and pleura excejjt a blotch beneath wings, pale ferrugi- 

 nous; base of metathorax finely granulated; tegulae honey-yellow; wings 

 hyaline, faintly dusky at tips, nervures and stigma honey-yellow; legs pale 

 ferruginous or fulvous, with pale yellow pubescence, four anterfor femora more 

 or less black; abdomen oblong-ovate, densely and minutely punctured, seri- 

 ceous, segments 1 — 4eac]i with an apical fascia of white pubescence, anal rima 

 cinereous, first, second and basal margin of third segments pale fulvo- ferrugi- 

 nous. Length .30 inch. 



% . — Smaller, narrower than 9 > more densely pubescent, that on sides of fiice 

 dense and silvery-white; clypeus except base, labrum and middle of mandibles 

 lemon-yellow; cheeks unarmed : antennae long, flagellum yellow with a brown 

 streak above not reaching apex, apex of scape beneath pale; sides of metatho- 

 rax above and nearly the whole of pleura black; knees, tibiae and tarsi more 

 or less lemon-yellow; abdomen more convex than in 9) narrower, more 

 thickly pubescent, two basal segments strongly tinged with fulvous. Length 

 .25 inch. 



Two specimens. (Coll. G. W. Belfrage.) 



IlalictuN !<»iinilis. 



Halictus similis, Smith, Brit. Mus. Cat. i., p. 69. 

 Six 9 specimens. (Belfrage.) 



Halii'tiis bai'<lii»$, n. sp. 



9 . — Deep black, closely punctured, head and thorax rather thickly clothed 

 with a griseous pubescence ; head not wider than thorax; middle of face and 

 clypeus shining, sparsely punctured, the punctures on clypeus large, apex 

 fringed with long golden hairs; antennae entirely black; scutellum smooth 

 and shining, sparsely punctured ; base of metathorax finely irregularly longi- 

 tudinally wrinkled; on postscutellum, sides of metathorax and pleura the 



