THE CANADIAN ENTOMOLOGIST. 237 



punctures sparser on the disc, closer at the edges, tessellate all over ; 

 scutellum with smaller and sparser punctures ; pleura with long white 

 pubescence ; metathorax with a few fine ruga? on base, not reaching 

 apex ; tegulse testaceous ; nervures and stigma honey colour ; femora 

 dark brownish ; tibiae more or less, and tarsi entirely, ferruginous ; their 

 pubescence white tinged with golden, inner spur of hind tibia? with two 

 or three long teeth ; abdomen ferruginous, shining, apical segments 

 dusky at times ; the first two segments naked on the disc, other segments 

 covered with whitish pubescence ; venter ferruginous. Length, 4^2- 

 6 mm. 



Twenty-seven specimens : Sioux Co., and West Point, Holt Co., 

 Nebr., on wild and cultivated Rose, and Mentzelia, June 10th to July 8th. 



Differs from H. Kunzei in the mesothorax, not smooth centrally, the 

 abdomen not black apically, and well clothed with pubescence, etc. 



Halictus Bruneri, n. sp. — Head and thorax brassy green, pleura 

 more olive green ; head coarsely and closely punctured ; clypeus with 

 coarser and sparser punctures and black apically; mandibles ferruginous 

 anteriorly; antennas black ; sides of face and cheeks with thin whitish 

 pubescence ; mesothorax anteriorly coarsely rugose, elsewhere very 

 coarsely and rather closely punctured ; pleura coarsely rugose ; 

 metathorax coarsely rugose, truncation with a salient rim and rugose ; 

 legs black, hind with ferruginous ; all tarsi ferruginous and apices of 

 tibia? and knees ferruginous ; wings hyaline, very slightly dusky, nervures 

 and stigma dark testaceous : tegulse dark brown, anteriorly punctured ; 

 abdomen black, shining, covered with appressed ochraceous pubescence, 

 except discs of segments one and two. 



Four $ : West Point, Nebr., June 7-10, 1901, on rose and 

 honeysuckle. Types in the author's collection. 



Ha/ictus rugosus, n. sp. — ?. Head and thorax greenish blue, thinly 

 clothed with pale pubescence, slightly ochraceous on the vertex and 

 dorsum of mesothorax, and longer on the cheeks and pleura ; head 

 behind the eyes finely roughened, in front coarsely and confluently 

 punctured and also tessellate ; less closely punctured below the antennae ; 

 clypeus sparsely and very coarsely punctured, blackish anteriorly; supra- 

 clypeal space finely punctured and tessellate ; mandibles black, reddish 

 medially; antenna? black, the flagellum dull brownish beneath apically ; 

 mesothorax finely roughened, the disc very coarsely and rather sparsely 

 punctured, the sides and rear very coarsely reticulated, as is also the 



