304 Transactions. 
Wings variable in shape, the forewing especially so, being sometimes 
very narrow, with costal and posterior margins parallel, and little or no 
dson) 4. Details of structure 
ead, showing eye (e), antenna (ant), 
Ip (lp); the hairy processes are 
es the processes (pr) partially visible beneath them. c, the tw 
à = dissected out to show their relationship 
with а triangular labrum, situated between them. d, first two 
: of maxi palp. showing the swollen knob on segment 
distally. (All figures x 22.) 
is developed, by means of additional cross-veins, a complete transver 
anastomosis of the veins, such as is frequently met with in the 
1А very strongly formed, and i indwi ith 
iie , and greatly thickened at base. Hindwing W! 
apical forks 1, 2, and 5; Sc more or less fused with R,, anal area some 
what expanded. zx 
Tibial spurs 2, 4, 4. Male genital appendages with strong, forcipate 
сма appendages and short gonapophyses. Female without elongatis 
abdominal segment; gonapophyses well developed as § 
X SM hs a 
