Found a nice 40% fire curse scroll of 108 damage over 2 seconds. it sez per hit, does that only mean melee or does it also work on bows?

i7 Extreme 965 bloomfield 3.20GHz
Asus rampage Ii Extreme
12Gb of Corsair ram CM3X2G1600C8D
nvidia Geforce GTX 285 (soon to be upgraded)
win 7 64 bit