interesting species of Papilionide and Pieride. 857 
Dismorphia Ela, Hew. 
Leptalis Ela, Hew., Equat. Lep. p. 82 (1877). 
The under side of the hind wings varies considerably ; 
sometimes there is a reddish line within the black white- 
spotted border; sometimes a yellow one, joining the 
yellow stripe on the costa; and sometimes there is no 
pale stripe at all. . 
Canelos. 
Dismorphia Orise, Boisd. 
Leptalis Orise, Boisd., Sp. Gen. i. p. 415 (1836) ; Hew., 
Exot. Butt. ii. Lep., pl. 2, f. 10, 11 (1857). 
Several specimens in woods on mountain sides. Grana- 
dillas. 
Pieris Imperator, un. s. 
Expands 83 inches. Allied to P. Phaloe, Godt. 
White ; fore wings with a black spot at the end of the 
cell, and the tip black, as far as the outer third of the 
costa, and to beyond the middle of the hind margin ; the 
extremities of all the nervules black, and the neighbour- 
hood of the lower ones speckled with dusky on the hind 
wings; under surface of fore wings with the costa ashy, 
and the apical spot ashy, and not extending along the 
hind margin; hind wings beneath pearly white; costa 
orange at the base; all the veins black, and with 
black lines running between them; a black band 
formed chiefly of dark scaling runs along the subcostal 
and first subcostal nervures from the base to the hind 
margin, and a broad lunule of similar character rests its 
upper and outer portion on the extremity of the dis- 
coidal cell. 
The only species of this group of Pieris met with. 
River banks, Copataza ; also inhabits Bolivia. 
Pieris Smithii, n.s. 
Expands 1 inch 10 lines. 
Sulphur-yellow, base dusted with black; costa black 
as far as the end of the cell, the colour extending over 
the upper half of the cell. Beyond this the costa is 
very narrowly edged with black till it meets the black 
border, which is deeply excavated opposite the cell, and 
