664 



INDEX. 



Use of feathers, 403. 



Utah, stocking a pond with eels in, 42S. 



Utilization of offal, 521, 523. 



of refuse from scouring wool, 

 524. 



V. 



Vanadate of ammonia for making ink, 491. 

 Van Beneden, Prof. E., ciii., cxxxiii. 

 Prof. P. J., cxlvii. 

 der Mensbrugghe, 12S. 

 Rysselbergh, Prof., 105. 

 Tieghem, Mr., clxi. 

 Vanilla, artificial, 205. 

 Vanillin, liv. 



Vapor-bath in hydrophobia, 55S. 

 Variability of spectra, 172. 

 Variation of magnetic declination, 158. 



of the growth of plants with the 

 time of day, 355. 

 Varley,Mr.,173. 

 Varnish for alcohol casks, 50S. 



with a dead surface when dry, 

 50S. 

 Vasey,Dr.,593. 

 Vaucanson, Mr., 6C0. 

 Vaux, Mr. W. S., 575, 5S9. 

 Vegetation in portions of South Africa, 



374. 

 Velocity of nervous transmission, 323. 

 Veneers, coloring, 507. 

 Veniaminoff, Bishop, S3. 

 Venom of East Indian serpents, 2S7. 

 Venus, reports of the success of the tran- 

 sit observations of, cciii. 

 satellite of, xxviii. 

 transit of, xx., xciii., 16, 145. 

 visibility of the dark half of, 39. 

 Vermiculite group of minerals, 22(5. 

 Vermin asphyxiator, 398. 

 Verrill, Prof., cxxxviii., cxli., cxlv., 350. 

 Vertebrates, cliv. 

 Vesselloffski, Mr., 85. 

 Veszelyite, a new mineral, 235. 

 Vibrations of liquid surfaces, 159, 194. 



of solid bodies, optical method 

 of studying, 191. 

 Vienna Congress of land and forest cult- 

 urists, 375. 

 Meteorological Congress in, 02. 

 Observatory, the new, xxiii. 

 Vignon,Mr., lii. 

 Villari,Mr.,xlii.,152. 

 Villot, Mr., cxlvii. 

 Vine, origin of the domestic, 3G2. 

 Violet oil-pigment, 505. 



on wool, methyl, 499. 

 Virchow,Prof.,32S. 

 Voelcker, Dr., clxvi., clxviii., 415. 

 Vogel, Dr., xxii., xxviii., xlii., lix., 2S, 358, 



491. 

 Vogt, Prof., 348. 



Volatilization of metallic iron, 211. 

 Volcanic energy, theory of, 122. 

 Volcanoes, distribution of, 229. 

 Volhard, Mr., lv. 

 Vomiting a liver worm, 315. 

 Vom Rath, Mr., lxvii. 

 Von Freeden, Mr., 70, 603. 

 Kobell, Mr., lxvii. 

 Miclucho Maclay, Dr., cxxxii. 

 Seebach,Mr.,4S. 

 Tscbudi. Mr., 375. 

 Wolff, Dr., 413. 



Vostokoff on Olbers's method of deter- 

 mining the orbits of comets, 29. 

 Vulpes and Urocyon, clviii. 



W. 



Wachsmnth, Mr., cxii., 5S1. 

 Wagner, Mr., xxv., 379. 



Mr. Rudolph, 517. 

 & Auwers, Messrs., 18. 

 Wagon wheels, size of, 454. 

 Walker, Dr. J. R., 232. 



Mr. Francis A., 61,460. 

 Mr. Francis M., 616. 

 Mr. R. B., 300. 

 Wallace, Mr. A. R., xciii., 224. 

 Ward, Mr. E., 295. 

 Wartha, Prof., 142. 

 Washing cotton goods without injuring 



the color, 433. 

 Washington, consumption of marine prod- 

 ucts in, 420. 

 Water, action upon ozone of, 202. 

 on lead pipes of, 564. 

 filter for impure, 562. 

 for steam-boilers, purifying, 471. 

 gaseous, liquid, and solid states of, 



209. 

 lizard, poison of the, 309. 

 purifying of, 565. 

 Water-proof composition, 534. 

 tissue-paper, 489. 

 wash for wood, 497. 

 -proofing linen, 497. 

 -tight hose for fire-engines, 498. 

 Watson, "Dr. Forbes, cxii. 



Mr. Sereno, clviii., 364. 

 Wawra, Mr.,clx. 

 Way, Mr. Albert, 616. 

 Weather in December, 1S73, 73. 



influence of the moon on the, 



69. 

 predictions at Mauritius, S6. 

 predictions, the use of high sta- 

 tions in, 63. 

 prognostications, 112. 

 the, and colliery explosions, 72. 

 Weather-proof coating for zinc, 534. 

 Weber, Mr., xxix. 

 Weigelt, Dr., 453. 

 Weights, testing, in Eugland, 5. 

 Weilemann, Mr., xxxv., 120. 

 Weiske & Weldt, Messrs., lvi., clxvii. 

 Weiskopf, Mr. Paul, 545. 

 Weisman, Mr., cxlviii. 

 Wells and cellars, purifying, 558. 

 Wells, Capt, 56. 

 Weuzig, Dr.,clx. 

 West Indies, rain-fall and forests, 402. 



winds of, US. 

 Wetting coal a mistake, 456. 

 Whaling, Antarctic, 303. 

 Wheat, effect of high temperature on, 



300. 

 Wheat-bran for washing, 433. 

 Wheatstone, Sir Charles, 106, 127. 

 Wheel with India-rubber tire, 458. 

 Wheeler, Lieut. Geo. M., lxxxvii., cxxix., 



240, 262, 267, 353, 593. 

 Whipple, Lieut., 269. 

 White for wool, 502. 

 White, Mr. T. Charters, c. 



Prof., clviii., 273. 

 Whitehouse & Latimer Clark, Messrs., 

 127. 



