370 
NEW NORTH AMERICAN BEES 
cijiital line : greatest diameter of lateral ocellus 4: 4, elevated portion of malar 
space virtually wanting, head covered wdth whitish hairs, front rather distinctly 
longitudinall}' striate, not elevated into a welt along the fovea, fovea at most : 
ocellocular line :: 5: 12, foveal band present and at upper end of the inner C 3 'e 
margin : ocellocular line nearly :: 2; 12, distance between fovea and ocelli : 
ocellocular line 4; 12, fovea slightly attenuated below its middle and con- 
tinued to a plane apparently near the clypeal line, fovea filled with pale ochreous, 
nearly white hairs, fovarea wanting, vertex and temples along the upper edge 
of the eye with pale hairs, face shiny, partly indistinctly reticulate, with dis- 
tinct punctures of various sizes that are from nearlj^ adjoining to as manj^ as 
five puncture widths apart, lowermost portion of face with a sculptureless 
polished margin, ctypeus slightly elevated above the apical margin, convex, 
fineh' reticulated, shiny and punctured, the punctures more nearh' uniform, 
mostly as large or larger than the largest punctures on the face and mostly" from 
three to five puncture widths apart, clypearea present but poorly defined, 
clj'peus thinly hairy, its sculpture not at all hidden by hairs, labrarea truncate, 
its width at base : length dowm the middle :: 10:5, width at apex : length down 
the middle : : 5 : 5, labrarea at base : distance between lower corners of clj'peus 
:: 10: 19, labrum with a fringe of dark golden hairs and without a median longi- 
tudinal crista between the labrarea and its apical edge, joint 3 of antennae : 
44-5 :: 8: 7, joints 4 and 5 thicker than long, the succeeding joints as thick as 
long or a little longer than thick except joints 11 and 12 which are distinctlj' 
longer than thick, antennae blackish except that the flagel is coffee brown 
beneath, mandibles tj^pical, robust, extending to near the outer edge of the 
labrarea, black except for the apical fourth which is mostly dark reddish, palpi 
nearly typical; thorax thinh’ covered wuth pale ochreous, almost white or white 
hairs which are shorter on the dorsulum where thex’ are darker than the almost 
w’hite hairs on the mesopleura, dorsulum shinj', fineh’ reticulated and punctured 
like the face but more distinctly so, notauli represented b\' an impressed shiny 
line, middle of the posterior half of the dorsulum nearly- polished, mesopleura 
with almost white hairs, sculptured somewhat like the dorsulum but not so 
sparsely or distinctly' punctured, scutel ahnost bare and mostly' impunctate 
and polished, metanotum hairy and densely', indefinitely', sculptured, tegulae 
blackish and pale stramineous, partly almost'polished. wing base partly; black- 
ish brown, subcosta blackish brown, stigma dark brownish stramineous, rest 
of veins dull stramineous, first recurrent vein received by the second subinargi- 
nal cell beyond the middle and distinctly nearer to the second transverse 
cubitus than the first transverse cubitus is to the stigma on the radial vein, 
nervulus not interstitial and forming an acute angle with the second abscissa 
of the median vein, membrane w'ith a uniform yellowish brown tinge, legs 
blackish except for the tarsi w'hich are more or less dark brownish stramineous, 
legs covered with pale ochreous and whitish hairs except for the dark ochreous 
and brownish hairs on parts of the tarsi and tibiae, scopa ty'pical, pale ochreous, 
almost white except for the hairs at base above which are decidedly' darkened, 
hind metatarsi at most as wide as the mid metatarsi; propodeum with its 
enclosure apically' w'ell, basally poorly defined, its upper aspect rather coarsely 
wrinkled and shiny', its hind aspect rather finely' reticulated, rest of upper face 
