Vol. Xxi] ENTOMOLOGICAL NEWS. 



son, it falls in Lciicosmia. The following characters readily 

 distinguish it: General aspect of O. viridior Ckll., but abdo- 

 men broader and more hairy, and head larger; antennae not 

 very long, the flagellum not at all crenulate ; dense hair cov- 

 ering clypeus brilliant white ; hair of vertex long and all light, 

 of cheeks mixed with black; hair of thorax above all light, 

 with a strong ochreous tint on scutellum ; hair of pleura and 

 sides of metathorax all light; legs without metallic tints, their 

 hair, except on front legs behind, mainly black ; abdomen with 

 first two dorsal segments covered with long white hair, the 

 others with black ; sixth segment entire, broadly subtruncate ; 

 seventh narrow, with a shallow emargination only,- third ven- 

 tral with an emargination conspicuously bordered with light 

 orange hair. I took two specimens, flying close to Aragallus 

 lambcrti. In the Boulder County Osmia table this runs to 24, 

 and runs out as follows : 



Larger; first two dorsal abdominal segments with long hair; margin of 



sixth segment entire 0. Integra Cress. 



Smaller; only first abdominal segment with long hair; margin of sixth 

 segment notched 0. wheeleri Ckll. and 0. cyaneonitens Ckll. 



Osmia quadriceps Cresson. 



Mountains near Claremont, California (Baker) ; Clare- 

 mont, Cal. (Baker). 



Osmia cara ?p. nov. 



9. Length about 12 mm.; robust, brilliant deep purple blue, the 

 pubescence entirely black, except that it is pale reddish on under side 

 of head, inclined to be dark reddish on tarsi, and there are some very 

 small and scanty, hardly visible, white hairs near the margins of the 

 abdominal segments, only plainly visible in the subdorsal region of 

 the second, and then only in lateral view ; abdomen dullish compared 

 with the related species, short. Very close to O. gabriclis Ckll., appear- 

 ing very distinct by the broader, shorter and rather duller abdomen, 

 but this is partly deceptive owing to the fact that the type of gabrielis 

 has the abdomen unusually extended. Other differences from gabriclis 

 are as follows: ocelli closer together; sides of vertex with very ir- 

 regular punctures of various sizes on a shining ground (densely. 

 confluently punctured in gabrielis) ; brushes of hair under clypeal mar- 

 gin orange; mandibles extremely broad (very broad at base), with four 

 well-developed teeth ; maxillae dark reddish (black in gubriclis) ; ab- 



