650 



*NDEX. 



U. 



Uhlmann,Dr., 223. 

 Uintatherium robustum, 337. 

 Ulve, Mr., 145. 

 Unalashka, oil works on, 436. 



prehistoric remains at, 327. 

 Unghviir, County, in Hungary, 22. 

 Unicorn, is it a fable ? 299. 

 United States appropriation for the propa- 

 gation of fish, 401. 

 birds of, 336. 

 explorations in, 173. 

 Hydrographic Office, 145. 

 light-houses in, 493. 

 northern boundary of, 176. 

 Upham, Professor T. C, 622. 

 Upheaval of Patagonian coast, recent, 131. 



of the Swedish coast, 122. 

 Upper currents of air, 49. 

 Urania leilus, flights of, 267. 

 Uranus, spectrum of, 38. 

 Uropsilus, 318. 



Utilization of liquid sewage, 574, 577. 

 of refuse fish, 444. 

 of suint, 519. 

 of refuse tan, 532. 



V. 



Vaccine lymph and glycerine, 557. 

 Vacuum, keeping grain in, 374. 

 Valson's law, 102. 

 Van Beneden, Professor P. J., 242, 246, 26S, 



272, 291. 

 Van der Court, Dr., 550. 

 Van der Mensbrugghe, Professor, 101. 

 Van Namee, Mr., 305. 

 Van Patteu, Dr., 266. 

 Vanilla cream, poisonous, 465. 

 Variation in the size of blood corpuscles, 



276. 

 Variscite, a new mineral, 117. 

 Vasey, Dr., 609. 

 Vaughan, Mr. Daniel, 573. 

 Vegetables, action of potash on, 36S. 

 changes in, 344. 

 how to treat fresh, 455. 

 Vegetation and light of various colors, 

 352. 

 and. nitrogen of the atmos- 

 phere, 375. 

 Venezuelan mountains, 178. 

 Venus, transit of, in 1874, 11, 12, 39. 

 Verkruzen, Mr., 1S3. 

 Vermont, fish commissioners of, 447. 

 Verrill, Professor, 201, 202, 268, 605, 607. 

 Vesuvius, action of its emanations on veg- 

 etation, 122. 

 light of, 10. 

 Vial, Mr., 535. 

 Vicaire, Mr., 1. 

 Vienna exposition, aquarium at, 325. 



yeast, 461. 

 Viking boat in Norway discovered, 225. 

 Villot, Mr., 315. 



Vinegar, sulphuric acid in, 103. 

 Violet, new, 472. 

 Virchow, Mr., 234, 293. 

 Virginia oyster fishery in 1871, 432. 

 Virus of infection matter, 560. 



physiology of, 591. 

 Vision, defects of, 5S9. 

 Visual impressions, time and duration of, 



77. 



Vitis labrusca, 370. 

 Voelcker, Mr., 364. 

 Vogel, Dr.,9S, 345, 461. 



Mr. H. C, on the spectra of the 

 planets, 9, 13, 15, 3S. 

 Vogt,Mr.,96. 

 Vohl, Dr., 503, 504. 

 Voit, Mr., 275, 553. 

 Volcanic sand in Chile, 56. 

 Volume of solutions, 100. 

 Von Biela, Mr., 38. 



Von Biilow, private observatory of, 9. 

 Von Constant, Mr. A., 503. 

 Von der Linth, Mr. A. Escher, 622. 

 Von der Wengen, 446. 

 Von Frantzius, 236. 

 Von Helmersen, Mr., US. 

 Von Heuglin,Mr.,14S. 

 Von Kalatschoff, Mr., 52S. 

 VonKobell,Mr.,117. 

 Von Maclay, Mr. N., 43. 

 Von Martius, Mr., 353. 

 Von Miclucho-Maclay, Mr., 163. 

 Von Mohl, Professor Hugo, 621. 

 Von Otter, Baron, 144. 

 Von Reichard, Dr., 564. 

 VonSchreuck,Dr., 243. 

 Von Willemoes Suhm, Dr., 1S2. 

 Vortisch, Mr. Louis, 623. 

 Voyage of the Hassler, 204. 

 Vrasski, Mr., 404. 



W. 



Waddington, Mr. Alfred, 623. 

 Wagner, Mr., 329, 345. 

 Wall papers, arsenic in, 584. 

 Wallace, Dr., 230, 271. 



Mr.AlfredL.,lS2. 

 Walnut hulls for black dye, 512. 

 Walpurgine, a new mineral, 117. 

 Walsh, Mr. B.D., 610. 

 Wauklyn,Mr. J.A.,107. 

 Warsop and Eaton, Messrs., 490. 

 Washburne, Mr., 160. 

 Washing compound, 45S. 



powder, disinfecting, 457. 

 process, new, 470. 

 Washington and Lee College, telescope 

 for, 26. 

 Army Medical Museum, 329. 

 National Museum, 32S. 

 signal service, 32. 

 Waste caffein recovered, 465. 

 Water, acted on by a gas jet, 7S. 

 pollution of, 573. 

 supply of Nismes, 491. 

 transmission of sound in, SO. 

 Water-glass for budding trees, 373. 

 Water-pest plant, utility of, 354. 

 Water-proof gelatin sizing, 523. 

 Water-proofing cloth, 516. 

 Water-turkey, filaria in the brain of, 324. 

 Waters, saline, in dyeing, 514. 

 Watkins, Mr., 141. 

 Watson, Dr., 36, 554. 



Mr. Sereno, 12S. 

 Wax, grat'diii;, 367. 



Way collections of Egyptian antiquities, 

 231. 

 Mr. Charles Granville, 232. 

 Mr. Samuel A., 231. 

 Weather and colliery explosions, 53. 



in Arctic Ocean in 1871, unusual, 

 51. 



