312 INDEX 



Vinton County Continued. Pages 



McArthur member in 121-125,150 



Upper Mercer member in 97, 148 



w 



Wayne County 



Lower Mercer limestone in 79 



White, I. C., reference to 92 



Whitfield, R. P., reference to 154 



Yoldia glabra Beede and Rogers? 119, 123, 128, 141, 207 



Yoldia stevensoni Meek__ 67, 70, 71, 74, 76, 87, 141, 208 



Zeacrinus mucrospinus McChesney 155 



Zygopleura plenum (Herrick) 56, 70, 88, 124, 129, 144, 258 



Zygopleura plicata (Whitfield) ____56, 74, 88, 144, 259 



