MYSCELIA. By J. R6per. — CYBDELIS; LIBYTHINA. By Dr. A. Srrrz. 483 
wings, proceeding from the base in the cell, mostly terminates at the upper margin of the wings. It is not divided 
as on the forewings. Near to the margin is a row of purple spots running parallel to the angle. A second and 
third marginal row goes through the wing. Between the last row and the broad spot, a band runs into the centre 
through the wing. Inclusive of this row and exclusive of the white marginal line, 4 rows of purple-colou- 
red spots stand between angle and spot. The under surface of the wings as in streckeri Skinner, similar to the 
under surface of Pyramets atalanta, and can likewise not be described. 
M. sophronia Godt. (98 f), a very rare species from Brazil, has blue colouring on the hindwings and on 
the basal part of the forewings, on the latter wings also white spots. The 9 has a duller, more steel-blue colou- 
ring, and larger white spots on the forewings. The reflection of this species is very strange. It isin the g, when 
the animal is held towards the origin of light, violet-blue, while it is cyan-blue when seen standing between 
the origin of the light and the butterfly; in the 2 it is green. The species is known to A. Srrtz only from 
Southern Brazil where it flies rather high up in the Orgel Mountains and seems to be very rare. He did not 
come across them near Rio itself, but according to Vv. BONNINGHAUSEN it occurs in single specimens to the north 
of it. According to StauDINGER, the species also occurs in the mountains of Venezuela. 
M. antholia Godt. (98 f) from the Antilles is larger than the preceding species and has black wings of a 
blue iridescence except the distal margin, the forewings have a large white spot beyond the middle cell and 
obliquely below it another something smaller one, so that they form an interrupted white band. In the apex 
of the forewings there is placed another smaller white double-spot. The hindwings are without any markings, 
except the 2 in which also the blue reflection is missing nearly altogether, and in which the distal margin is 
whitish at the front part, and at 14 of the width of the wings there is an effaced line of white dots termina- 
ting into the costal margin. 
M. capenas Hew. (98f) from the Upper Amazon shows but little sexual dimorphism; the 9 has a 
more grey ground colouring and more pronounced markings. We have a g at hand from Rio Madeira (Hu- 
mayta, June to September), which is considerably smaller and has no brown band on the hindwings, and above 
the blue inner marginal spot of the forewings there is one more such spot, the under surface being also darker. 
We denominate this (local?) form as madeira form. nov. — octomaculata Btlr. from Peru differs especially by 
having 4 instead of 3 bluish spots on its forewings. 
39. Genus: Cybdelis Bsd. 
Very much approaching the Hunica, but differing from them by thefur-like haired eyes. The cells of the 
hindwings, being open in Myscelia, are closed in Cybdelis. The colouring is throughout above black with white 
spots and blue reflection which is, however, concentrated upon the surroundings of the spots. The head is 
rather stout, the eyes very pilose, the palps long, at the top lowered, antennae of medium length with flat 
clavola, the thorax robust, the legs strong and the abdomen slender; the forewings angled below the apex, 
the 1. subcostal vein originating at the cell-end, the 2. right after, the 3. beyond the middle of the wings, the 
cells of both wings closed, the 2. median vein of the forewings very much bent. Precostal of the hindwings 
simple, very much bent. There are about 4 forms known that are closely connected with each other; all of them 
occur in the warmer parts of South America and are rather numerous in some places. 
We reproduce here a 3 of C. phaesyle, of which Hiner figures only the 9. The species is probably 
scarcely more than the southern form of mnasylus. Typical mnasylus Dbl. and Hew. (102 Bh) from Venezuela 
have on the forewing an oblique spot behind the cell, 2 Jittle punctiform spots and a larger round dot near 
the anal angle white, and on the hindwing a white opalescence encircled by a fine violet-blue. — In thrasylla 
Flidr. (102 Bh) which seems to be an alpine form widely sprend in the north of South America, the margin of 
the blue opalescence on the hindwing is violet and so much broadened that but a little white nucleus remains 
in the centre, not larger than one of the white spots on the forewings. — boliviana Salv. (102 Bh) has the 
white spot entirely covered by blue, and in phaesyle Hbn. (102 Bh) itself the opalescence on the hindwing is 
missing altogether, the hindwing being unicolorously sepia-brown with quite a faintly dark submarginal line; 
but behind the cell of the forewings there is a white band consisting of three bands, which is connected with 
the isolated spot before the anal angle by a violet iridescent band. The latter is the most southern form rea- 
ching in the east as far as to the mountains behind Rio de Janeiro, in the west as fas as Peru and Bolivia. 
40. Genus: Libythina Fld. 
This genus owes its name principally to the palps being, like in a Libythea, prolonged like a nose. 
J am not able to give any description of their habits and early stages. With the preceding genus behind which 
it was placed there is, in my opinion, no relationship whatever, but rather with the genus Ergolis. The eyes 
are naked here, in Cybdelis furry; the antennae gradually and slightly thickened, in Cybdelis with a flat 
streckeri. 
sophronia. 
antholia. 
capenas. 
madeira. 
octomacu- 
lata. 
mnasylus. 
thrasylla. 
boliviana. 
phaesyle. 
