INDEX. 



479 



Tyndall, Prof., 69, 242, 243, 332, 400. 

 and Douglass, 130. 



U. 



Underground Hues, 397. 



linger, 1T9. 



United States Fish Commission, 275. 



Naval Observatory. 14,20,27, 

 30. 

 removal 

 of, 32. 

 Upton, Winslow, 40. 

 Uranium minerals, 155. 

 Uranometry of the Southern Heavens, 10. 



Vacuum, conception of a, 9S. 



Vade Mecum, Meteorologists', 59. 



Valdez, Francisco Travossos, 421. 



Valentiuer, Dr., 3. 



Vallee-Poussiu, De la, and Renard, 109. 



Van Beneden, 302. 



Van den Broeck, 300. 



Vandenberg, ML W., 348. 



Varnish on glass, transparent, 113. 



Vassar College Observatory, 51. 



Vegetable anatomy and physiology, 326. 



Vegetation of the Rocky Mountains, 211. 



Velocity of electricity, 122. 



Venus observations, 14, 15. 



Vermont, geology of, 169. 



Verral, 313. 



Verrill, 275, 276. 



Vertebrates, 2S4. 



classification of, 280. 

 Vesque, 327. 

 Vibrations of tuning-forks, 100. 



on a soap film, 102. 

 Vienna clocks, 27. 

 Villiers, 142. 

 Volcanoes, 53. 



of Centra] Asia, 199. 

 Volpicelli, 110. 



Volvox minor and globator, 250. 

 Vom Rath, 154, 157. 

 Vincent, 142. 

 Virchow, Prof, 264. 

 Vision, limits of, 237. 

 Vitality of grain, 340, 

 Vize, Rev., 334. 

 Voelcker, Dr., 366. 

 Voo;el,Dr.,5,31, 146. 

 Voit, 374. 



Volatilization of metals, 111. 

 Volatilizing metals, 404. 



W. 



Waconda meteoric stone, 164. 



Wagner, 98. 



Wahl, Prof. William H., 3S1, 395, 406. 



Wahlgren, Prof. Frederick, 421. 



Waldo, Leonard, 40. 



Wale, George, 239. 



Wales, Pre-Cambriau rocks of, 16S. 



Wallace, A. R., 279. 



Wallich, Dr. G. C.,300. 



Waltershausen, Von, 76. 



Wand, 122. 



War Department, topographical work of 



the 219 

 Ward', Dr.'R. H.,23S. 

 Warming, Dr. Eugene, 242. 

 Washburn, C. C, Ex-Governor, 31. 



Washington Astrouomical Observations, 



1S76, 7. 

 Wasps, yi3. 



Waste of food material. 380. 

 Water, percolation of, 354. 

 Water-culture, experiments in, 365. 

 Water-meter, new, 95. 

 Waterhouse, Captain J., 14. 

 Watney, H. E..:;43. 

 Watson and Chippen dall, Lieuteuants, 203. 



B. M., 336, 337. 



Sereno, 333. 

 Weather Bulletin, Daily, in Cincinnati, 62. 

 maps, daily, 58. 



of Germany and Austria, 

 63. 

 Webb, W., 237. 

 Weber, 6. 



Weddell, Hugh d' Algernon, 421. 

 Weihrauch, Prof. K., 59. 

 Weisbach, Dr., 161. 

 Weisbach's tables, 152. 

 Weismann, Prof., 306, 310. 

 Wenham illuminator, 240. 

 Wertheim, 101. 

 Werthemanu, A., 194. 

 West Australia, desert in, 204. 



India Islands, 227. 

 Western Union Company, 397. 

 Westwood, Prof., 309. 

 Weyprecht, Lieutenant, 196. 

 Wharton, Captain, 185. 



Joseph, 120, 373. 

 Wheeler, Lieutenant, 11, 216, 276. 



O. B., 7S. 

 White, Prof., 210, 230. 

 White spot on Saturn's disk, IS. 

 Wiedemann, Dr., S4, 106. 

 Wielenmann, 70. 

 Wiggins, Captain, 1S9. 

 Wijkander, 54, S2. 

 Wilcox and Wood, Drs., 220. 

 Wilczek and Weyprecht, 64. 



Count, 196. 

 Wild, 87,120. 

 Wild's brochures, 5S. 

 Wilde, 324. 

 Wilhelm,Dr.,329. 

 Wilke, 79. 



Wilkes, Rear-Admiral Charles, 421. 

 Wilkomm and Joano, 326. 

 Wille, Captain, 188. 

 Williams, C. T., 89. 

 Willis, Prof., 93. 



Wilna Observatory destroyed, 31. 

 Wilson, 105. 



and Seabroke, 7. 

 Winchell,N. H.,232. 

 Windich, T.,421. 

 Winds and currents, 71. 

 Wine, ancient, analysis of, 14>. 

 Wing, 169. 

 \\'inkelmann,69. 

 Winnecke, of Strasburg. 25. 

 Winslow, Dr. Charles P., 421. 

 Winter and Minks, Drs., 330. 

 Wisconsin, geology of, 170. 

 Wittrock, Dr., 331. 

 Woeiknff, S6. 

 Wolf, Prof.. 13, 25. 



and Andre, 17. 

 Wolff, 6. 



Dr. O. J. B.,283, 365. 

 Prof., 374, 377. 



