TO REVISION OF XYLOMIGES AND MORRISONIA—SMITH. 
basal dash extending into the long claviform, which is concolorous, 
black ringed and reaches to the middle of the wing. From the upper 
edge of this basal streak, another curved black line runs to the sub- 
costal, and then curves downward to form the margin of the elongate, 
large orbicular, which is open to the costa. The costal region from the 
base to this point is usually paler, more whitish than the rest of the 
wing. A distinct median line starts at costa, outwardly oblique, form- 
ing the outer margin of the orbicular and separating it from the reni- 
form, inwardly angulated on the median vein and thence, much less 
defined, to the middle of the hind margin. Orbicular elongate, oval, 
oblique, open to costa. Reniform upright, dilated inferiorly, incom. 
pletely black, then white ringed, inferiorly dusky, centrally with a more 
or less intense clay-yellow shade, from which a tinge extends out- 
wardly, nearly to the apex. The t. p. line is sometimes marked by a 
geminate black spot on costa above reniform, and beyond this the 
costal region is dusky to the apex. From the inferior margin of the 
reniform an oblique dusky shade extends to below the apex, marked 
in its course by black streaks extending through the interspaces, and 
reaching the outer margin at a black spot in the fringe. A second tri- 
angular dusky patch is above the anal angle marked by two inter- 
spaceal dashes. Secondaries white, subtransparent, with black discal 
dot and broken median and terminal line. Beneath white, powdery, 
primaries with veins black marked, both wings with variably obvious 
discal spots and broken exterior and terminal lines. 
Expands 35 to 38 millimeters=1.40 to 1.52 inches. 
HABIrar: Vancouver; Oalifornia; Colorado; Oregon. 
Of this species Mr. Dyar sent me a large number of specimens, all 
more or less broken, taken at the electric lights at Manitou in May. 
The species has not been common in collections heretofore. I have also 
received it from Mr. Bruce, taken near Denver. In the fifty or more 
specimens before me I note no variations, and the species is an easily 
recognizable one. The primaries are more parallel than in the other 
species with pectinated antenne and the pattern of maculation is ob- 
viously different. The curved, black basal markings, above which the 
wing is paler, the elongate oblique orbicular open to the costa, and 
the two triangular dark patches in the s. t. space, are characteristic. 
The harpes of the male narrow somewhat irregularly to a roundedly 
acute tip. A long, curved, corneous clasper arises a little basad the 
middle of the harpe and does not attain its tip. At the base of this 
large hook is a smaller, less curved and less acute process, which barely 
exceeds the lateral margin of harpe. 
The original description of this species is incomplete and differs in 
detail so much from the above that had I not seen the types in Mr. 
Edwards’s collection, | might have hesitated to make the identification. 
