96 
POLIA. By Dr. M. Draudt. 
tufa, 
langu ida. 
purpurissa- 
ta. 
juncimacu- 
la. 
crydina. 
apurpura. 
crotch i. 
fusculenta. 
oriza. 
rubens. 
lepidula. 
griseata. 
determinata. 
distincta. 
Columbia. 
leucogram- 
ma. 
blackish darkening as far as the undulate line which is white and proximally spotted dark brown. Hindwing 
white with brown veins. Nebraska, Montana, Colorado. — tufa Sm. (14 h) is smaller, with narrower forewings, 
a much lighter bluish-grey ground-colour, the surroundings of the reniform macula particularly behind and 
below it suffused with a deep brown. From Utah. 
P. languida Sm. (14 h). Forewing purple grey, strewn with blackish brown, darker in the costal area 
and in the cell, and behind it more red-brown; the anterior transverse lines are only marked at the costal margin, 
the posterior line is double, finely dentate; the upper maculae are large, light, encircled with black, the coni¬ 
form macula is very small; the undulate line is yellowish white, proximally with black sagittae and a distinct 
W. Hind wing white with brownish veins and margin. Colorado. 
P. purpurissata Grt. (14 i) is a large, common species, with purple reddish grey forewings dusted 
with brown, in the cell and at the costal margin darker brown, with double dentate transverse lines filled up 
with a lighter grey, and with large maculae, behind the reniform macula it is dusted with red-brown; the light 
undulate line with a distinct W. Hindwing red-brown, towards the margin darker with white fringes. Canada 
and North-Eastern and Central States as far as New York and Utah. —• In juncimacula Sm. (14 i) the reniform 
macula is on the median produced proximad, and the posterior transverse line is almost entirely absent. —- 
crydina Dyar is darker, particularly on the hindwing. From British Columbia. — f. apurpura B. & McD. (14 h) 
is very dark uniformly brownish grey with distinct, contrasting markings, behind the reniform macula tinted 
light ochreous, the undulate line proximally shaded with a velvety blackish-brown, with a very distinct W, 
the sides of which extend to the margin. From Arizona (White Mts.). — The monotonously dull brown larva 
without a recognizable marking lives polyphagous on low plants. 
P. crotchi Grt. (14 g) has greyish-brown forewings with a black basal ray, extinct transverse lines 
and a very long and pointed coniform macula the lower border-line of which runs to the base of the proximal 
margin: the upper maculae are large, the reniform macula is on the median more or less united with the ring- 
macula; the undulate line is sharply dentate and proximally accompanied by black sagittae. Hindwing greyish- 
brown, towards the base lighter. —- f. fusculenta Smith is a much darker form. Oregon, Colorado, and California. 
P. oriza Drc. (14 i) has whitish forewings dusted with red-brown, with a darker discal area; the double 
transverse lines filled up with white are united above the proximal margin, behind the distal line there is white 
dusting; both the upper maculae are pupilled red-brown, above open and in the lower half of the cell connected 
by a white stripe. Marginal area more purple grey. Hindwing white, the costal margin and marginal area 
brownish-red. From Mexico. 
P. rubens Drc. (14 i) is very similar, more purple brown, dusted with grey, with a black-filled cell, 
with a black triangle outside on the reniform macula; the latter is on the median proximally produced; the 
transverse lines are not united at the proximal margin; coniform macula large, almost quite black. Hindwing 
whitish, at the costal and distal margins slightly brownish. Mexico, common. 
P. lepidula Sm. (= perta Drc.) (14 h) has bright ferruginous-brown and chestnut-red forewings, in 
the discal and marginal areas darker brown except the submedian space between the median and the fold; 
transverse lines single, on the averted sides edged with grey; the maculae are whitish grey, the reniform macula 
on the median not prolonged, in the lower half pupilled dark brown; the marginal area behind the.whitish undulate 
line is dark brown. Hindwing light reddish-brown, with yellowish-white fringes. Texas, California, Mexico. 
P. griseata Sm. (14 k). Forewing purple grey, strewn with a brownish grey, browner in the discal area, 
in the distal half of the postmedian area and in the marginal area except the apex, with a black basal ray; 
the anterior transverse line is of a plain grey, the posterior line double, filled up with grey, the undulate line 
white, on both sides shaded with dark, the maculae are small, in grey rings. Hindwing brownish-grey, towards 
the base lighter. Colorado. 
P determinata Sm. (14 k) has ochreous-yellowish white forewings dusted with red-brown, in the 
discal and marginal areas the darkest, here as well as on the median and in the distal part of the costal-marginal 
area strewn with white; the indistinct transverse lines are single, the posterior line dentate; the maculae are 
pupilled red-brown, the reniform macula towards the base excavated. Hindwing reddish-brown, towards 
the base lighter. Colorado. 
P. distincta Hhn. (= vitis French ) (14 i, k) is on the forewing greyish-white, strewn with a light 
brown, with double transverse stripes filled up with white, with a short, broad coniform macula, the apex of 
which is united with the distal transverse line; the large, grey maculae, tinted reddish-brown, are situate in 
the dusted brown cell; the undulate line is irregularly dentate, with small black sagittae in front of it and olive 
dusting behind it in the centre. Hindwing white, on the margin and veins brown. Canada, Eastern and Central 
States to Colorado. 
P. Columbia Sm. (14k) is of a bright red-brown, strewn with grey, with brownish-striped veins 
and rather indistinct transverse lines; the grey maculae are surrounded with red-brown, the reniform macula 
below pupilled greyish-brown, between them a red-brown median shade; the undulate line is only defined by 
the greyer marginal area behind it. Canada (Alberta, British Columbia). 
P. leucogramma Grt. (14 k) is on the forewing reddish-brown, strewn with black, with double transverse 
lines filled up with a greyish white, and a black median shade between the small, grey-pupilled maculae; undulate 
