INDEX. 725 



V. 



Pace. 



Vaccination for diseases 491 



Vacuum vessels, Dewar on 136 



Vagus nerves and heart action 351 



Valentine, Basil, on metals 499 



Vallot, Joseph, at Mont Blanc observatory 159 



Valpy, Dr., mentioned 657 



Vantin, Mr. , cited 502 



Variation of latitudes 76, 91 



Varigny, M., Hodgkins prize awarded to xii 



on air and life 9 



Vegetable electricity 329 



foods, energy in 306 



Vegetation, chemical energy of 298 



Venezuela, exchanges with 52, 53, 54 



Venom of serpents, antitoxin for 493 



Ventre-bey, M., on name of Memphis 612 



Verde Valley, aboriginal remains in 42 



Arizona, ruins in 521 



Very, Frank W., meteorological experiments by 130 



Vibrations, principles of 108 



Victoria, exchanges with 52, 53, 54 



Vienna Zoological Museum, exchanges with 30 



Virchow, Rudolph, history of Berlin University by 77 



on study and research 77 



Vision, Helmholtz's researches on 96 



Visitors to National Museum, number of 30 



Vis viva, conservation of the 102 



Vital engine as the prime mover 297 



force and energy not the soul 333 



force and its energy, office of 334 



functions independent of intellect 333 



machine, efficiency of 316 



power and operations of 336 



prime mover, human animal as 297 



Vitalism, old and new 375 



Vogel's process of color printing 194 



Volkmann on sympathetic system 346 



Volta's dictum quoted 328 



^ oi> Baer, on history of development 344 



Voi i den Steinen, quoted 560 



A r on Helmholtz, Hermann, investigations by 93 



Vortex atoms, theory of 104 



phenomena, stability of 105 



W. 



Wackerzapp, Omar, cited 200, 203 



Walbridge tract adjoining Zoological Park 24 



Wallace, Alfred R., on method of organic evolution 76 



Wallach and Hensler, cited 147 



Waller, Augustus, study of nerves by 357 



Walsh, cited 329 



War Department, exchanges of 49 



Ward, Lester F. , quoted G55 



Waring, G. E., jr., Toner lecture by 642 



