Records of Bees. 70') 



clyppus normal, lower niar;rin Ijlaclc. Antcnnic black ; 

 tej;iil:i' puiiilc. ^^'illgs strongly dusky ; b. n. going just 

 basad of t.-ni. ; hind spurs curved at cud. 



H(th. Clarcmont, California [Baker] ; 1 ? . 



Looks like O. cobaHina, Crcsson, but is broader and 

 shorter, with the dorsal hair of thorax all black. Compared 

 with 0. sancta-ros(e, Ckll., it is much broader, more thick-set, 

 and the rich purple eoloui- is cjuite dillerent from the deep 

 blue (ii sanct<s-ros(E. 



Osmia ploiyvra, sp. n. 



cJ . — Length about 10 mm. 



Narrow, with parallel-sided abdomen ; head, thorax', aiul 

 legs brilliant emerald-green, or the mesothorax suft'used with 

 blue ; abdomen brilliant green or (var. a) brilliant blue- 

 pur|)lc, more or less suH'used with green ; pubescence white 

 tlironghout, excejjt on inner side of tarsi, where it is yellowish. 

 Head round seen from in front, eyes very large, face 

 narrow; mandibles broadly green at base; scape largely 

 green; flagellum long, ferruginous beneath; mesothorax 

 and scutellum densely punctured; tegulae shining green. 

 AVings dusky brown ; b. n. meeting t.-m, ; first r. n. joining 

 second s.m. near base ; marginal cell long. Tarsi ncrmal; 

 spurs dark. Abdomen closely punctured, with very little 

 liair above, but the segments beneath conspicuously fringed 

 with white hair; sixth dorsal segment simple in middle, but 

 toothed at each extreme side ; seventh very large and flat, 

 forming a broadly rounded apical plate ; second ventral more 

 or less keeled, the keel prominent at apex, where it ends in a 

 point; third ventral broadly truncate, the truncate edge 

 more or less concave. 

 ? .—Length 8-9 mm. 



Like the male, but shorter ; the green form bluer green, 

 the purple (which may include head and thorax) apparently 

 as common as the green; head oblong, the face much longer 

 than broad, occipital region strongly developed ; mandibles 

 greenish at base, with two strong teeth, and a broad, feebly 

 developed, binodulose inner one ; scape green, flagellum 

 dark, obscure reddish beneath ; pubescence scanty, fuscous ; 

 ventral scopa black ; tegulse about two-thirds green ; hair on 

 inner side of tarsi dark chocolate. 



Hab. Type (c?) from mountains near Claremont, Cali- 

 fornia (Baker). Other males from Claremont, California 

 (Baker), and Ormsby County, Nevada (Baker). Seven 

 females from Ormsby County, Nevada {Baker). 

 Ann. cf; Mag. N. Hist. Ser. 8. Vol. viii. jl 



