POLIODESTRA. By Dr. M. Draudt. 
153 
N. mendica B. & Lindsey is the most closely allied to the following well-known species and separable mendiea. 
from it by its pinkish-brown tinge and white hindwings, besides the forewing is more coarsely scaled; the forewing 
is strewn with black on the veins, the cliscal area being as usually darker brown; the anterior transverse line 
is lighter, oblique, the posterior line being finely dentate, a broad light stripe, before it a fine dark nebulous 
line; the maculae are generally somewhat lighter, in the centre scaled darker; instead of the undulate line there 
is a darker shade which is most distinct at the costal margin. Expanse of wings: 40 mm. Described from Utah. 
N. pectinata 8m. (22 d) is light purple brownish, strewn with a darker colour, on the veins striped pectinala. 
darker, in the discal area chocolate-brown with undulate, somewhat faded transverse lines and lighter indistinct 
maculae; the undulate line consists of small brownish-red sagittae. Hindwing dark brownish-grey with a reddish 
or purple tint and yellowish-white fringes. The $ is of a deeper purple with a not darker discal area. Canada. 
N. demaculata B. & McD. (22 c) is very similar to pectinata, but of an ochreous-brownish ground- demaculata. 
colour, occasionally with a reddish or violet tint and quite extinct marking, the posterior transverse line being 
the best visible, the space behind it the lightest with darker veins; the posterior half of the discal area is mostly 
the darkest; the maculae are almost entirely absent. Hindwing smoky-grey with light fringes. California. 
N. tertialis Srn. (22 c) is on the forewing purple brown with grey strewing and darker veins, in tertialis. 
the discal area deep red-brown; the transverse lines are rather indistinct, the posterior line double, the rather 
large maculae tinted purple-reddish, faded, the reniform macula distally with a light line, proximally on the 
median produced towards the base; the undulate line is indistinctly lighter. Hindwing yellowish-white with 
red-brownish veins and marginal area. Canada; Colorado. 
N. emmedonia Cr. (= minians Gn., expansa Wkr., subnotata Wkr.) (22 c) has light reddish-brown emmedonia. 
or pinkish-brown forewings with a dark red-brown discal area and thorax, otherwise marked like the other 
species from which it differs in the by shorter combed antennae; the undulate line is finely dentate and proxi¬ 
mally bordered with a dark colour. The yellowish-brown hindwings have pink fringes. — In the form violans violans. 
Gn. (= subdolens Wkr.) the ground-colour is deeper purple and without the reddish tint. —- From Canada and 
the Eastern United States (New York, Illinois, Virginia), 
32. Genus; Poliodestra Hmp.s. 
Separated from the neighbouring genera by the eyes being above covered with cilia and the collar 
being hood-like raised to a projecting keel; the thorax is covered with hair and scales, the vertex exhibits a hair- 
tuft, the prothorax and metathorax show loose tufts, the abdomen is likewise tufted and laterally provided 
with a hairy cover like the tibiae. 5 South American species are known. 
P. flavidentula Schs. (22 cl) has grey forewings strewn with red-brown, with a black basal and proximal- fiavidentu- 
marginal ray and double dentate transverse lines the latter in the submedian space with a V-shapecl black la - 
marking on the inside; the iqjper maculae are large, grey, pupilled reddish and encircled with black, like the 
large triangular coniform macula; the undulate line consists of small yellowish-white lunae with black sagittae 
proximally and black marginal streaks distally. Hindwing light brown, towards the base lighter with whitish 
fringes. Chile. 
P. violascens Mssn. (23 e) is on the forewing purple grey, strewn with dark, the markings only violascens. 
traceable by interrupted velvety-black spots bordered with white, the maculae only by some brown scales on 
the sides; the posterior transverse line is undulate. Hindwing brownish-grey, in the disc whitish. Anal tuft 
claret-coloured. Ecuador. 
P. faeculenta sp. n. (22 d) is very similar to violascens, but the ground-colour is reddish yeast-coloured; faeculenta, 
there are no traces at all of the anterior transverse line at the costal margin nor of the posterior transverse line; 
in the cell there are two irregularly quadrangular velvety-black spots, behind it another triangular one, all 
of which are finely margined with silvery white; in the submedian space there is a large black semicircle, the 
convexity turned towards the proximal margin, with a yellowish silvery white hook-shaped streak in it as the 
trace of the distal bordering of a coniform macula, above the distal end of the black spot between both median 
branches another small black punctiform spot; the white undulate line runs straight, it is subapically and cen¬ 
trally interrupted and on both sides bordered by black spots, apically and proximally by 2 larger sagittae. Hind¬ 
wing light brownish-grey. The collar is unfortunately destroyed, so that it is not quite certain, whether 
it belongs to this genus. 1 $ from the Quindiu Pass (Colombia), taken by Fassl. 
P. viola Drc. (22 d) has purple grey forewings strewn with brown, with rather indistinct, oblique, viola. 
single transverse lines^ the posterior line being dentate, a small coniform macula and large confluent upper 
maculae, the ring-macula being oblong-elliptical, the reniform macula below extended towards the base; the 
