100 
POLIA. By Dr. M. Draudt. 
nimbosa. 
rogenhoferi. 
carbon if era. 
mystica. 
adjuncta. 
brenda. 
dilatata. 
variolata. 
glaciata. 
pennitarsis. 
plumipes. 
chunka. 
the radial branches and above the inner-marginal vein. Hind wing dusted with brown. Canada, Northern 
and Eastern States. —• The brown larva with dark subdorsal lines and lateral lines presumably lives polyphagous 
on low plants. 
P. nirnbosa Gn. (15 d) resembles the European nebulosa (Vol. Ill, t. 19 c, d); forewing whitish, strewn 
with brown and black, in the costal area and cell darker, with dentate, white-edged transverse stripes, large 
maculae surrounded with black, with a darker brown pupil and a whitish undulate line which is proximally 
bordered with black. Hindwing brownish with a darker transverse line which is behind it bordered with a 
lighter colour. Canada, North-Eastern and Central States, Colorado. 
P. rogenhoferi Mschlr. (15 f) is smaller, more brownish; with more distinct double transverse lines 
filled up with a purer white, with a thick black median shade between the large, white, brown-pupilled maculae ; 
behind the postmedian line black and white dots on the veins; the undulate line consists of a row of white moon- 
spots, with a faded darker subterminal band. Canada (Labrador, Manitoba). 
P. carbonifera Hmps. is closely allied to mystica (15 f). Eorewing brownish-black, strewn with grey, 
the transverse stripes fine black, indistinct, the distal one towards the costal margin posteriorly dusted with 
white; the small coniform macula is surrounded with black, the upper maculae dusted and ringed with whitish 
and surrounded with black; the whitish scaled undulate line is proximally bordered by black lunae, the fringes 
are crossed by white. Hindwings brownish-black with whitish fringes. Expanse of wings: 50 mm. Canada 
(Alberta). 
P. mystica Sm. (15 f) has the forewing much more densely dusted with blackish-brown, the marking 
is very similar to that of rogenhoferi, but the transverse lines are single, the posterior line distally edged with 
grey; the ring-macula is obliquely elliptical, the reniform macula centrally strangulated, both large, surrounded 
with black; the whitish undulate line is proximally at the costal margin and on the folds bordered with black 
sagittae. Hindwing yellowish greyish-brown with a dark median band and margin. Canada. 
P. adjuncta Bsd. (15 f) is very easily recognized by the intense white admixture on its olive-grey ground 
which is dusted with black, particularly the reniform macula being prominently white. Hindwing yellowish- 
white, at the margin brownish. Canada and United States. — Larva olive-green with lighter dorsal and sub¬ 
dorsal lines, and dark green oblique spots on the 5tli, 6th and 12th rings, on the others only traces of them. 
P. brenda B. & McD. (15 f). Forewing light grey, dusted with a smoky brown colour, with a short 
black basal ray and double transverse lines, large, white maculae surrounded with black, the reniform macula 
pupilled brownish; from the very broad coniform macula a black streak runs to the postmedian line, behind 
it with a yellowish tinge; the undulate line is light yellow with an indistinct W, before it black bows, and above 
and below the W black small spots. Hindwing smoke-coloured grey. Utah, in May. 
P. dilatata Sm. (15 g) has white forewings strewn with blackish-brown, olive, yellowish and black, 
the costal half of the basal area being white, below it grey, with double black transverse lines filled up with 
white; median shade only visible at the costal margin and proximal margin; maculae white, surrounded with 
black, the reniform macula with a grey pupil; the white irregular undulate line is interrupted, proximally bor¬ 
dered by a dark costal-marginal spot, in the centre by sagittae; marginal area brownish-grey. Hindwing brownish- 
grey, towards the base lighter. New Mexico. 
P. variolata Sm. (15 g) is very much like dilatata. Grey, mixed with ochreous-yellow and olive- 
brown, with double transverse lines filled up with white, large white maculae and a white spot behind the 
coniform macula; all the rest as in dilatata. From Washington. 
P. glaciata Grt. (15 g) entirely resembles variolata, but the white upper maculae are pupilled brown, 
the ring-macula is elliptical, behind it there is a distinct undulate median shade. Arizona. 
P. pennitarsis Wlcr. (= chloodes Zerny ) (15 g) is in the $ very well distinguished by long hair-tufts 
on the legs. Forewing brown mixed with green, with double transverse lines filled up with green, the maculae 
in green rings, and a green undulate line proximally shaded with dark brown; the coniform macula is very 
conspicuous as a quadrangular, dark brown spot surrounded with black. Hindwing brownish white, distally 
red-brown. From Colombia (Pacho), Brazil (Rio de Janeiro, Sa. Cruz). 
P. plumipes Hmps. Forewing of a bright red-brown, strewn with black, with double black transverse 
lines; the upper maculae are small, the ring-macula obliquely elliptical, in a whitish ring and surrounded with 
black, the reniform macula towards the base concave, above and below open, on both sides bordered with 
white between black lines, the white forming on the distal side a small triangle; the marginal area behind 
the light undulate line is darker. Hindwing reddish-brown with white fringes. Expanse of wings: 28 mm. 
Described from Costa Rica. 
P. chunka Sm. somewhat resembles farnhami (15 h) and has smoke-coloured brown forewings with 
a blackish spot in the proximal half of the basal area, below bordered by a short black streak; transverse lines 
double, the proximal lines black, the distal lines brown; the coniform macula is large, pointed, often filled up 
with a darker colour, the ring-macula is small and narrow, bordered with light, the reniform macula large, 
crossing the cell-angle below and pupilled dark below. Subterminal area grey with darker veins and with 2 
large and several small black sagittae bordering proximally on the yellowish undulate line. Hindwing brownish- 
grey with a broad dark marginal band, veins and discal luna. Expanse of wings: 34 mm. Canada (Manitoba). 
