36 THE ENTOMOLOGIST. 
Notes on the Wing-bones of the Two-winged Flies. By 
Francis WALKER, Esq. 
VEINS. AREOLETS, 
g Subcostal vein. R_ Subcostal areolet. 
k Radial vein. K Radial areolet. 
ec Cubital vein. C’ Cubital areolet, 1st. 
ec’ Cubital vein, 1st branch. C” Cubital areolet, 2nd. 
e’’ Cubital vein, 2nd branch. B’ Prebrachial areolet. 
d’ Prebrachial vein, 1st branch. BY” Pobrachial areolet. 
d’’ Prebrachial vein, 2nd branch. D Subapical areolet. 
m Pobrachial vein, 1st branch. Y Anal areolet. 
y Pobrachial vein, 2nd branch. 
v Anal vein. 
Figs. 1 & 2.—Diadocidia ferruginosa. Mycetobia pallipes. 
Figs. 3 & 4.—Ditomyia annulata. “Platyura. 
