Inde;x 



213 



Wabashensis (Pyrgulopsis) Hink 140 



Walkeri (Amnicola) Pils 136 



Walkeri (Ancylus) P. and F 120 



Walkeri (Ferrissia) P. and F 120 



Walkeri (Physa) Grand 115 



Walkeri (Truncilla) W. and C 185 



Walkeri (Viviparus) P. and J 126 



Walkerianus (Somatogyrus) Aid 146 



Walkerola Hann 18, 118 



Waltonii (Vivipara) Tryon 127 



Waltonii (Viviparus) Tryon 125, 127 



Wareanus (Viviparus) Shutt 127 



Warreniana (Physa) Lea 115 



Wetherbyi (Gillia) Dall 13S, 14^ 



Wetherbyi (Hydrobia) Dall 146 



Wheatleyi (Goniobasis) Lea 162 



Wheatleyi (Gyrotoma) Lea 163 



Wheatleyi (Lithasia) Lea 150 



Wheatleyi (Planorbis) Lea 105 



Wheatleyi (Pleurocera) Lea 153 



Wheatleyi (Schizostoma) Lea 1C3 



Wheatleyi (Segmentina) Lea 105 



Wheatleyi (Trypanostoma) Lea 153 



Wheeleri (Arkansia) O. and W 59 



Wheeleri (Somatogyrus) Walk 146 



Whitei (Physa) Lea no, 116 



Whitfieldensis (Goniobasis) Lea 162 



Winkleyi (Amnicola) Pils 135, 136 



Wolfiana (Physa) -Lea 116 



Wrightianns (Strophitus) Walk 199 



Zig-zag illius (Unio) DeG 179 



