1863.] 
79 
and figured by Boisduval in his Species Gleneral, vol. 1. Although 
there are some points of resemblance between the two, the differences 
are decided. They are much alike in the general color, in the shape 
of the black abdominal border, and of the horny pouch of the abdo¬ 
men ; but the present species is much smaller in size, with no red spots 
on primaries, or at the base of secondaries above; the fringe is not 
alterns^te black and white, as in Nomion^ and there are several other 
points of difference. Nomion is a conspicuous species, from its large 
size and the number and brilliancy of the red spots on both wings. 
CoLiAS Christina, nov. sp. 
Male. Expands 2jL inch. Upper side: primaries bright yellow, 
with a large, deep-orange patch on the disk, which reaches neither the 
costa nor the base, and occupies about one-half the space inside the 
border; the border is broad, black, crossed by the yellow nervures 
nearly or quite to the margin, and resembles C. Eurytlieme in the out¬ 
line of its inner edge ; discal spot small and black; edge of costa rose- 
red. 
Secondaries lemon yellow with a paler orange patch which is con¬ 
fined to the outer limb, reaching neither the costa nor abdominal mar¬ 
gin ; the border narrow, with a very even inner edge, also crossed by 
the yellow nervures; discal spot large, deep-orange; fringe of both 
wing long, rose-red. 
Underside: primaries same yellow, the basal half pale-orange; cos¬ 
tal margin sprinkled with fine black scales; between the nervules 
three or four sub-marginal brown points or clusters of scales; discal 
spot as above. 
Secondaries more greenish, covered uniformly with fine black scales; 
an obsolete sub-marginal row of brown points; discal spot small, round, 
silver-white, in a reddish brown circlet about which are a few scales of 
same color; a few rosy scales at the base; fringe and costal edge of 
each wing rose-red; palpi pale yellow; legs and antennae rosy; club 
blackish. 
In three specimens out of four there were no traces of the sub-mar¬ 
ginal points. 
Female. Expands inches. Upper side wholly pale yellow, 
without a border; discal spots as in the male, that of secondaries being 
more yellowish; fringes rose-red. 
