216 ILLinois NaturAL History Survey BULLETIN Vol. 26, Art. 1 
viridescens, Palingenia, 39 
vitrea, Epeorus, 195 
vittigera, Palingenia, 15 
vittigera, Palingenia, 37 
vittigera, Pentagenia, 4, 9, 25, 24 29) Ste ais 
38 
volitans, Leptophlebia, 93 
volitans, Paraleptophlebia, 89, 90, 93 
Ww 
wabasha, Stenonema, 176 
wakefieldi, Oniscigaster, + 
walkeri, Ephemerella, 57, 59, 62, 62, 64, 65 
walshi, Centroptilum, 4, 120, 121 
walshi, Heptagenia, 181, 783, 192 
weewa, Hexagenia, 41 
Pa 
