INDEX. 761 



Pag©„ 



Tycbo, the great luuar crater, by A. C. Rauyard 89 



Tylor, Prof. E. B., on stone age basis for oriental study 701 



U. 



Undulatory theory of light 115- 



Units of measure, T. C. Mendenhall on 135 



Upbam, Prof. Warren, on geologic time 309 



Uruguay, exchange agency 51 



transmissions to 52, 53 



U. S. Coast Survey, work of 409 



U. S. Fish Commission, co-operation with 22 



Utah, Salt Lake, decrease in depth of 272 



sedimentary rocks in 321 



Utrecht University, publications from 68- 



Y. 



Vallot, M., observations on Mount Blauc by 255 



Vandals, migration of 580 



Vanden Tooru, W. H., courtesies from 50^ 



Variable stars, Pi"of. C. A. Young on 107 



Varigny, Henry de, on air and life 521 



Vasey, Dr. George, delegate to Botanical Congress at Geneva IT 



Veda and history of natural religion 689 



Veddahs of Ceylon 613^ 



Veuetz, on Swiss glaciers 278 



Venezuela, exchange agency 51 



transmissions to 52, 53^ 



Victoria, exchange agency 51 



transmissions to 52, 53 



Vikings, Xorway and, Capt. Auderssen on 628 



Ville, George, studies in nitrogen by 531 



Virchow, Prof. R., Egyptian crania lOS 



Visitors to National Museum, number of 35 



Visual reaction, length of 448 



Vogel, Dr. H. W., photographic discoveries by 15& 



Vogel, Dr. , murdered at Wara 399 



Volcanic origin of deposits on ocean bottom 555 



Volt as unit of electro-motive force 148 



Von Helmholtz. Prof. Dr. H 13^ 



W. 



Wadsworth, F. L. O., studies in spectroscopic measurements 7 



work in Astro-Physical Observatory 60 



Wake, C. Stauiland, on Indian migration 603^ 



Walcott, Charles D., on geologic time 301 



Wallace, A . R. , on ice age and its work 277 



geologic time 305 



Wanamaker, John, member of the " Establishment " ix 



War as a cause for migratiou of men 573 



War Department, exchanges of 88 



Warnerke, Leon, on color photography 163 



Warren, C. M., work in chemistry bj' 244 



Water, and air, relations of, to temperature and life 265 



production of, by animal and vegetable life 541 



SM 93 49 



