408 
Index. 
Unjust attack, Dr. P. Prazer, 65. 
Upham, Warren, Marine shells in the 
till near Boston, 399. ^ ,. . 
Useful minerals of the United htates, 
146. 
Van Hise, C. R.Iron ores of the Penokee- 
Gogebic region, 197. 
Variation exhibited by a Carbonic gas- 
teropod, Keyes, 320. 
Ventral structure of Taxocrinus, etc, 
Wachsmuth & Springer, 200. 
Visual area of the trilobite, Clarke, 146. 
w 
Wachsmuth and Springer, 200, 201. 
Wadsworth. Dr. M. E., 280. 
Waverly group in Ohio, C. L. Herrick, 
50,94. 
Weed, W. H. Deadly gas spring, 269. 
Webster, F. M. 404. 
White, C. D., Carboniferous glaciation 
in southern and eastern hemispheres, 
Williams, Albert, 146. 
Williams, Prof. Geo. H., Description ©f 
the Bausch-Lomb petrographical mic- 
roscope, 229. 
Williams, Prof. II. S. Devonian faunaa- 
in Iowa, 230. 
Winchell, Alexander, Need of an ele- 
mentary work on petrography, 57; 
Conglomerates in gneissic terranes, 
153, 256; Foliation and sedimentation, 
193; Two systems confounded in the 
Huronian, 212; Shall we teach geol- 
ogy? 336. 
Winchell, H. V., Diabasic schists in 
Northeast Minnesota, 18. 
Winchell, N. H. Natural Science at the 
University of Minnesota, 165; Ameri- 
can petrographical microscopes, 225. 
Woodhaven, L. I .\rtesian well at; John 
Bryson. 214. 
