Index. 



425 



Wells, drilled 125 



tubing of 125 



Wessington hills 382 



White, E. V 4 



Whitella 343 



Willard, Will D 175 



Williams, Rev. E. M 4 



Wilson, Bertha L 311 



Wilson, Frank T 311 



Winchell, Horace V 



183, 185, 299, 311 



Winchell, Prof. N. H 



1, 3. 15, 21, 168, 182, 183, 302 



Winnipeg, Manitoba 25, 172 



Wisconsin River Valley 170 



Woima 38 



Woodocrinus 217 



Woodsia 09 



Wood, silicified in N. Dak 145 



Woods, Chas. H 6 



Worcester, Dean C 301, 302 



Worcester, Mass 24 



Worm-like tubes 219 



Worthcnonora 226 



X Y. 



Xystrodus 247 



Yoldia 238 



Yucca 68 



Z. 



Zaphrentis 210 



Zenophora 242 



Zitteralla 208 



Zoological Survey, Minn 313 



Zygadcnus 68, 89 



Zygospira 234, 323, 342 



aquila 335 



bed 324 



