404 
NEW NORTH AMERICAN BEES 
typical; thorax covered with an abundance of whitish hairs, hairs on dorsulum 
seemingly as long as the hair of mesopleura, dorsulum shiny, partly polished 
and purplish, finely reticulated, sparsely punctured, the punctures distinct 
and mostly from two to five puncture widths apart, mostly the latter, notauli 
represented b}' a shiny line, mesopleura shiny, almost dullish, with whitish 
hairs throughout, finely reticulated and mostly covered with shallow punctures 
that are mostly three or more puncture widths apart, scutel hairy, colored and 
sculptured much like the dorsulum but not so polished, metanotum black, 
hairy and sculptured like the scutel except that the sculpture is denser and less 
shiny, tegulae dark brown, polished, wing base mostly brownish stramineous, 
subcosta pale brownish stramineous, stigma yellowish stramineous with a 
brownish margin, first recurrent vein received by the second submarginal cell 
a trifle beyond the middle but not as near to the second transverse cubitus as 
the first transverse cubitus is to the stigma on the radial vein, nervulus inter- 
stitial, forming an acute angle with the first abscissa of the discoidal vein, 
membrane with a uniform yellowish tinge, legs blackish brown excepting the 
small joints of the tarsi which are rather pale stramineous, legs covered with 
whitish hairs, hind metatarsi at most a little vider than middle metatarsi and 
nearly half as wide as hind tibiae at apex of the latter; propodeum with its 
enclosure poorly defined, finely reticulated throughout, rounded off at apex, 
rest of upper face sculptured somew'hat like the mesopleura but with less 
distinct punctures, propodeal pleura sculptured nearly like the mesopleura, 
propodeal hairs whitish; abdomen with its tergum shiny, partly polished, 
finely reticulated and distinctly punctured, the punctures mostly two or three 
puncture widths apart, first tergite with erect whitish hairs, second and third 
tergites with appressed whitish hairs, second tergite with its elevated portion 
down the middle : depressed portion :: 12:6, third and fourth tergites with 
whitish appressed hairs throughout, fifth tergite with its basal blackish portion 
covered with poorly defined punctures that are as many as four or more punc- 
ture widths apart, rest of fifth tergite and exposed portion of sixth and seventh 
tergites with a stramineous margin, anal process narrow, nearly hour-glass 
shaped, rounded at apex, and with a submarginal transverse carina, tergum 
with rather inconspicuous hairs, subfasciate, hair at apex of abdomen of a 
pale golden hue. 
Andrena ( Trachandrena ) ceanothi new species 
Type. — No. 4063, The Academy of Natural Sciences of Phila- 
delphia. Type locality. — Lehigh Gap, Lehigh County, Pennsyl- 
vania. June 29, 1901, on flowers of Ceanothus americanus L. 
(H. L. Viereck.) 
Related to A. (T.) radiatula Cockerell. 
Female. — Length 10.5 mm.; body black, mostly covered with pale ochreous 
hairs; head with its facial line : transfacial line :: 63: 69, axial line : temporal 
line :: 33: 22, malar line : joint 3 of antennae :: 1:7, elevated portion of malar 
space virtually wanting, head covered with pale ochreous, almost whitish hairs. 
