aa WEEKS — SOME UNDESCRIBED BUTTERFLIES 11 
a dead silver with prominent ocelli in each interspace. These ocelli have a 
black centre with a white dot, then a delicate circle of yellowish and, inclosing 
all, a delicate thread of reddish brown. 
The type was taken near Bogota. It closely resembles /. deco- 
rata Feld., but the suffusion at anal angle area of lower wing 
underneath is more yellowish. The ocelli of lower wing under- 
neath are bordered by a delicate thread of reddish brown, instead 
of a generous and suffusing border as in P. decorata. 
Aricoris aurigera_ sp. nov. 
Habitat: Colombia, Bogota district. | Expanse: 1.25 inches. 
Head, antennae and legs, black. Thorax and abdomen black above; grayish 
black beneath. 
Fore wing, above, entirely black with a very prominent tawny golden band- 
Hind margin fringed with black hairs. The lower edge of the golden band 
starts at very edge of costa, three sixteenths of an inch from base, running 
across to hind margin at end of submedian nervure. The band is fully three 
sixteenths of an inch in width. 
Hind wing entirely black. Hind margin fringed with black hairs. 
Under side of fore wing is identical with upper surface, except that the band 
is of a slightly lighter shade and the inner margin somewhat grayish. 
The costal area of under side of hind wing is black. The fringe of hairs at 
hind margin is black. The rest of the wing is grayish black with black nervures 
and nervules. 
‘Taken near Bogota in 1896. 
Prenes californica sp. nov. 
Habitat: Lower California. | Expanse: 1.70 inches. 
Head, above, dark brown; beneath, nearly white. Eyes brown, surrounded 
by a fine line of white. Antennae black. Thorax dark brown, grayish beneath. 
Abdomen dark brown, nearly white beneath. Legs dark brown. 
